Maintenance Guide (ECC800) - Huawei

FusionModule5000 Smart Modular Data Center V100R001

Maintenance Guide (ECC800)

Issue 01

Date 2019-03-05

HUAWEI TECHNOLOGIES CO., LTD.

Issue 01 (2019-03-05) Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd.

i

Copyright © Huawei Technologies Co., Ltd. 2019. All rights reserved.

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holders.

Notice

The purchased products, services and features are stipulated by the contract made between Huawei and

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information, and recommendations in this document are provided "AS IS" without warranties, guarantees or

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Huawei Technologies Co., Ltd.

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FusionModule5000 Smart Modular Data Center

Maintenance Guide (ECC800) About This Document



ii

About This Document

Purpose This document describes FusionModule5000 Smart Modular Data Center (smart module for

short) in terms of the routine maintenance, alarm references, troubleshooting, and parts

replacement, which helps maintenance personnel to inspect and maintain the smart module

and eliminate potential risks promptly.

Intended Audience This document is intended for:

Sales engineers

Technical support engineers

System engineers

Hardware installation engineers

Commissioning engineers

Data configuration engineers

Maintenance engineers

Symbol Conventions The symbols that may be found in this document are defined as follows.

Symbol Description

Indicates an imminently hazardous situation which, if

not avoided, will result in death or serious injury.

Indicates a potentially hazardous situation which, if not

avoided, could result in death or serious injury.


avoided, may result in minor or moderate injury.


Maintenance Guide (ECC800) About This Document



iii

Symbol Description


avoided, could result in equipment damage, data loss,

performance deterioration, or unanticipated results.

NOTICE is used to address practices not related to

personal injury.

Calls attention to important information, best practices

and tips.

NOTE is used to address information not related to

personal injury, equipment damage, and environment

deterioration.

Change History

Issue 01 (2019-03-05)

This issue is the first official release.


Maintenance Guide (ECC800) Contents



iv

Contents

About This Document ............................................................................................................ ii

1 O&M Preparations ................................................................................................................ 1

1.1 O&M Personnel Skill Requirements ................................................................................................................................... 1

1.2 Tools....................................................................................................................................................................................... 2

1.3 Technical Documentation Preparations ............................................................................................................................... 4

2 Routine Maintenance ............................................................................................................ 6

2.1 System Maintenance ............................................................................................................................................................. 6

2.2 Routine Maintenance for the Structural System ............................................................................................................... 10

2.3 Routine Maintenance for the Power Supply and Distribution System ............................................................................ 11

2.3.1 Precision PDC Routine Maintenance ............................................................................................................................. 11

2.3.2 Integrated UPS Routine Maintenance ............................................................................................................................ 13

2.3.2.1 Routine Maintenance for UPSs ................................................................................................................................... 13

2.3.2.2 Routine maintenance for batteries ............................................................................................................................... 16

2.3.2.3 Power Distribution System Maintenance .................................................................................................................... 19

2.3.3 Routine Maintenance for the New Main Way................................................................................................................ 21

2.4 Routine Maintenance for the Cooling System .................................................................................................................. 22

2.5 Routine Maintenance for the Intelligent Battery Monitoring System ............................................................................. 27

2.6 Routine Maintenance for the Management System .......................................................................................................... 28

2.6.1 ECC800 Routine Maintenance ....................................................................................................................................... 28

2.6.2 Routine Maintenance for the LAN Switch..................................................................................................................... 29

2.6.3 Routine Maintenance for the VCN500 ........................................................................................................................... 30

2.6.4 Routine Maintenance for the 2.4G Antenna................................................................................................................... 31

2.6.5 Routine Maintenance for the 3G Antenna ...................................................................................................................... 31

2.6.6 Routine Maintenance for the Smart ETH Gateway ....................................................................................................... 32

2.6.7 Routine Maintenance for the Pad ................................................................................................................................... 33

2.6.8 Routine Maintenance for the WiFi Antenna .................................................................................................................. 34

2.6.9 Routine Maintenance for the WiFi Converter ................................................................................................................ 34

2.6.10 Routine Maintenance for the AC Actuator ................................................................................................................... 35

2.6.11 Routine Maintenance for Cameras ............................................................................................................................... 36

2.6.12 Routine Maintenance for the Multi-Functional Sensor ............................................................................................... 37

2.6.13 Routine Maintenance for Water Sensors ...................................................................................................................... 38

2.6.14 Routine Maintenance for Temperature Sensors ........................................................................................................... 38





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2.6.15 Routine Maintenance for the Skylight System ............................................................................................................ 39

2.6.16 Routine Maintenance for the Access Control System ................................................................................................. 40

2.6.16.1 Routine Maintenance for the Access Actuator.......................................................................................................... 40

2.6.16.2 Routine Maintenance for the Access Control Device .............................................................................................. 42

2.6.16.3 Routine Maintenance for the Sliding Door Magnetic Lock .................................................................................... 43

2.6.16.4 Routine Maintenance for the Revolving Door Magnetic Lock ............................................................................... 43

2.6.16.5 Routine Maintenance for the Emergency Button ..................................................................................................... 44

2.6.16.6 Routine Maintenance for the Exit Button ................................................................................................................. 44

2.6.17 Routine Maintenance for Light Buttons ....................................................................................................................... 44

2.6.18 Routine Maintenance for the Electronic Cabinet Lock ............................................................................................... 45

2.6.19 Routine Maintenance for the Door Status Sensor........................................................................................................ 46

2.6.20 Routine Maintenance for the Rack Environment Unit ................................................................................................ 46

2.7 Routine Maintenance for the Fire Extinguishing System ................................................................................................ 47

2.7.1 Routine Maintenance for Smoke Detectors ................................................................................................................... 47

2.7.2 Routine Maintenance for the Alarm Beacon .................................................................................................................. 48

3 Alarm Reference .................................................................................................................. 50

3.1 Alarms for the Power Supply and Distribution System.................................................................................................... 50

3.1.1 Precision PDC Alarm Reference..................................................................................................................................... 50

3.1.2 Integrated UPS Alarm Reference.................................................................................................................................... 55

3.1.3 Power Distribution Unit Alarm Reference ..................................................................................................................... 71

3.1.4 General Input Unit Alarm Reference .............................................................................................................................. 76

3.2 Cooling System Alarm Reference...................................................................................................................................... 80

3.3 Alarm Reference for the Intelligent Battery Monitoring System .................................................................................... 92

4 Troubleshooting .................................................................................................................. 93

4.1 Troubleshooting the Power Supply and Distribution System .......................................................................................... 93

4.1.1 Precision PDC Troubleshooting...................................................................................................................................... 93

4.1.2 Integrated UPS Troubleshooting..................................................................................................................................... 94

4.2 Troubleshooting the Cooling System ................................................................................................................................ 95

4.3 ECC800 Troubleshooting ................................................................................................................................................... 97

5 Parts Replacement ............................................................................................................. 100

5.1 Replacing Power Supply and Distribution System Components...................................................................................100

5.1.1 Parts Replacement for the Precision PDC ....................................................................................................................100

5.1.1.1 Replacing an SPD Module .........................................................................................................................................100

5.1.1.2 Replacing an Indicator ...............................................................................................................................................102

5.1.1.3 Replacing an MCB .....................................................................................................................................................104

5.1.1.4 Replacing a Fuse .........................................................................................................................................................108

5.1.1.5 Replacing the Monitoring Board ............................................................................................................................... 110

5.1.1.6 Replacing an MDU ..................................................................................................................................................... 112

5.1.2 Replacing Integrated UPS Components ....................................................................................................................... 113

5.1.2.1 Replacing a Fuse ......................................................................................................................................................... 113

5.1.2.2 Replacing an Indicator ............................................................................................................................................... 116





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5.1.3 Parts Replacement for the New Main Way .................................................................................................................. 118

5.1.3.1 Replacing the Power Distribution Unit ..................................................................................................................... 118

5.1.3.2 Replacing the Busbar Trunking Unit .........................................................................................................................120

5.1.3.3 Replacing the General Input Unit ..............................................................................................................................122

5.2 Replacing Cooling System Components .........................................................................................................................126

5.2.1 Replacement Requirements...........................................................................................................................................126

5.2.2 Replacing Components in the Electric Control Box ...................................................................................................126

5.2.3 Replacing an Air Filter ..................................................................................................................................................131

5.2.4 (Optional) Replacing a Condensate Pump ...................................................................................................................131

5.2.5 Replacing a Fan .............................................................................................................................................................133

5.2.6 Replacing an Electric Heater.........................................................................................................................................135

5.2.7 Replacing a Humidifier Cylinder..................................................................................................................................136

5.2.8 Replacing an Air Exhaust Temperature Sensor............................................................................................................138

5.2.9 Replacing an Air Intake Temperature Sensor...............................................................................................................139

5.2.10 Replacing a Water Inlet or Outlet Temperature Sensor .............................................................................................141

5.2.11 Replacing a Rectifier ...................................................................................................................................................142

5.2.12 Replacing a Water Valve Actuator and Chilled Water Valve ....................................................................................144

5.2.13 Replacing a Float .........................................................................................................................................................148

5.2.14 Replacing a Controller Panel ......................................................................................................................................150

5.3 Replacing an Aisle LED Light .........................................................................................................................................151

5.4 Parts Replacement for the Intelligent Battery Monitoring System ................................................................................153

5.4.1 Replacing a CIM ............................................................................................................................................................153

5.4.2 Replacing the BIM.........................................................................................................................................................155

5.5 Management System Parts Replacement ........................................................................................................................159

5.5.1 Replacing an ECC800 Subrack.....................................................................................................................................159

5.5.2 Replacing an ECC800 Main Control Module..............................................................................................................160

5.5.3 Replacing a PSU ............................................................................................................................................................160

5.5.4 Replacing the Hard Disk ...............................................................................................................................................161

5.5.5 Replacing a Rack Environment Unit ............................................................................................................................163

5.5.6 Replacing a Cabinet Electronic Lock ...........................................................................................................................164

5.5.7 Replacing an AC Actuator .............................................................................................................................................164

5.5.8 Replacing a Skylight Actuator ......................................................................................................................................165

5.5.9 Replacing a Skylight Magnetic Lock ...........................................................................................................................165

5.5.10 Replacing a Pad Power Connector .............................................................................................................................166

5.5.11 Replacing a Smart ETH Gateway ...............................................................................................................................171

5.5.12 Replacing a WiFi Converter........................................................................................................................................171

5.5.13 Replacing a Multi-Functional Sensor .........................................................................................................................172

5.5.14 Replacing a Smoke Detector .......................................................................................................................................172

5.5.15 Replacing a Water Sensor ...........................................................................................................................................173

5.5.16 Replacing an NTC Temperature Sensor .....................................................................................................................175

5.5.17 Replacing an Alarm Beacon........................................................................................................................................176

5.5.18 Replacing an Access Actuator.....................................................................................................................................176





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5.5.19 Replacing an Access Control Device .........................................................................................................................177

5.5.20 Replacing a Sliding Door Magnetic Lock..................................................................................................................178

5.5.21 Replacing a Double-Door Magnetic Lock .................................................................................................................179

5.5.22 Replacing a Button ......................................................................................................................................................185

5.5.23 Replacing a Door Status Sensor..................................................................................................................................186

5.5.24 Replacing a Pad ...........................................................................................................................................................187

5.5.25 Replacing a Camera .....................................................................................................................................................187

A Acronyms and Abbreviations.......................................................................................... 189


Maintenance Guide (ECC800) 1 O&M Preparations



1

1 O&M Preparations

1.1 O&M Personnel Skill Requirements Table 1-1 describes the skill requirements for the smart module O&M personnel.

Table 1-1 Smart module O&M personnel skill requirements

Domain Personnel Skill Requirement

Structure system Familiar with the overall configurations and

layout of the smart module

Experienced in maintaining the smart

module

Power supply and distribution system Familiar with the power supply and

distribution system configurations and the

operations for each core component in the

smart module

With power distribution system engineer

qualifications

Cooling system Familiar with the cooling system

configurations and the operations for each

core component in the smart module

With cooling engineer qualifications

Management system Familiar with the smart module

management system configurations and

device data upload methods, and able to

proficiently operate the smart module

management system

With monitoring engineer qualifications

Fire extinguishing system Familiar with the fire extinguishing system

configurations and the operations for each

core component in the smart module

Experienced in fire extinguishing system

maintenance





2

1.2 Tools Table 1-2 lists the tools required for maintenance.

Table 1-2 Tools and instruments

Tool Name, Specifications, and Appearance

Protective gloves Marker Measuring tape (5

m)

Level

Step ladder (2 m) Phillips screwdriver

M4/M6/M8

Phillips screwdriver

M3/M4 (length <

100 mm)

Flat-head

screwdriver (2–5

mm)

Adjustable wrench

(6")

Socket wrench

M6/M8/M12

Hex key Box-end wrench

M6/M8/M12

Electric screwdriver Hand drill

(Φ3/Φ3.7/Φ4/Φ4.5/

Φ5/Φ6/Φ10/Φ12 bit)

Hammer drill

(Φ6.0/Φ10 bit)

Heat gun

Reducing valve Electrician's knife Impact tool Insulation tape





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Needle-nose pliers Diagonal pliers RJ45 crimping tool Crimping tool

Wire stripper Hydraulic pliers Wire clippers Nylon cable tie

Multimeter Electroprobe Brush Hammer

Vacuum cleaner Hacksaw Handsaw Right angle

13# solid wrench Fin brush 10# socket wrench Rubber mallet

Water pipe sealant Flashlight Insulated gloves Pressure gauge





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1.3 Technical Documentation Preparations

Before maintenance, prepare the following documents in addition to this document.

Table 1-3 Preparing maintenance documents

Documentation Function Obtaining Method (Remarks)

Intelligent Micro-Module

Power Distribution System

Wiring Diagram

Describes how to connect

cables to the power

distribution system.

Delivered with the device.

iManager NetEco Device

Commissioning

Guide-(NetEco Version)

Describes how to connect

monitoring hardware to the

NetEco.

The NetEco version depends

on the version in use. Click

on the NetEco WebUI to

obtain the NetEco version.

Click Download.

iManager NetEco Product

Document - (NetEco

Version)

Describes how to install

monitoring hardware and

configure monitoring

software.

Click Download.

UPS5000-E-(40 kVA–128

kVA) User Manual

(Integrated UPS 2.0)

Describes how to operate

and maintain the device.

Click Download.

ECC800 Data Center

Controller User Manual



Click Download.

ECC800 V100R001 Alarm

Reference



Click Download.

iBAT 2.0-CIM01C2 User

Manual



Click Download.

NetCol5000-C 30 kW

Chilled Water In-row

Precision Air Conditioner

User Manual (Simple

Configuration)



Click Download.

PDU8000 Modular Describes how to operate Click Download.

http://support.huawei.com/carrier/en/hwe/index.html


http://support.huawei.com/carrier/docview!docview?nid=DOC1000172111&path=PBI1-7921455/PBI1-7921550/PBI1-7921565/PBI1-7352434


http://support.huawei.com/ehedex/hdx.do?docid=DOC1000127017&lang=en&clientWidth=1879&browseTime=1484792446881

http://support.huawei.com/carrier/docview!docview?nid=DOC1000182556&path=PBI1-7921455/PBI1-7921550/PBI1-7921567/PBI1-7182708/PBI1-21491395/PBI1-21491711

http://support.huawei.com/carrier/docview!docview?nid=DOC1000058433&path=PBI1-7921455/PBI1-7921550/PBI1-7921567/PBI1-19891672/PBI1-19897595/PBI1-21266515

http://support.huawei.com/carrier/docview!docview?nid=DOC1000285467&path=PBI1-7921455/PBI1-7921550/PBI1-7921565/PBI1-7464602





5

Documentation Function Obtaining Method (Remarks)

Precision Power

Distribution Cabinet User

Manual(1100 mm Deep)



Maintenance Guide (ECC800) 2 Routine Maintenance



6

2 Routine Maintenance

2.1 System Maintenance

Table 2-1 Monthly maintenance

System Component Item

Power

supply and

distribution

system

Precision PDC Check the three-phase power indicators.

Check the SPD module.

Check the LCD screen on the PDC.

Check the connections of input and output

power cables.

Check the signs of rodent movements in the

PDC.

Integrated UPS Operating environment

Power grid environment

Liquid crystal display (LCD)

Power indicator

Battery appearance

Battery operating temperature

Battery string charge voltage

New main way Check the connections of input and output

power cables.

Check the signs of rodent movements in the

new main way.

Cooling

system

NetCol5000-C 30 kW

chilled water in-row

precision air conditioner

Check that the air filter is clean and not

blocked.

Check that the air filter is not damaged or

distorted.





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Check that the valve does not leak.

Check that screws fastening the condensate

pump and the water sensor are secure.

Check that the water pan filter is clean and

not blocked.

Check that the humidifier cylinder interior

wall is free from layered water scale.

Check that the electric heater surface is not

eroded, dirty, or blocked.

Check that T/H sensors in the air conditioner

and aisles are securely installed.

Intelligent

battery

monitoring

system

BIB, CIM, and BIM View battery management alarms.

Check whether the system is clean.

Check the ambient temperature.

Table 2-2 Quarterly maintenance


Structure

system

Skylight tempered glass Clean the skylight steel glass. Clean the glass

using a piece of soft cotton cloth.

Skylight magnetic lock 1. Open the skylight magnetic lock and

check whether the skylight opens

properly.

2. Reset the skylight, close the skylight

magnetic lock, and check whether the

skylight closes properly.

Aisle end door 1. Check whether the end door is deformed.

2. Open and close the end door, and check

whether the door can be opened and

closed smoothly and whether the door

closer is normal.

Rotating skylight 1. Check whether the rotating skylights are

deformed.

2. Open and close the rotating skylights, and

check whether the rotating skylights work

smoothly.

Fixed skylight Check whether the fixed skylights are free

from deformation, corrosion, paint flake-off.

Power

supply and

Precision PDC Check the appearance of PDC component.

Check the operating temperature and





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distribution

system

humidity of the PDC.

Integrated UPS Cleanness

Parameter configuration

Status record

Check whether battery screws are tightened.

Cables between batteries

Battery voltage

Perform a shallow discharge test

(recommended).

New main way Check the exterior of the new main way

component.

Check the operating temperature and

humidity of the new main way.

Cooling

system

NetCol5000-C 30 kW



Water injection is smooth.

Drainage is smooth.

The electric heater generates heat.

The chilled water valve handle automatically

rotates to the maximum opening.

Intelligent

battery

monitoring

system

BIB, CIM, and BIM Check the battery management parameter

setting.

Check the CIM connection.

Checkthe BIM connection.

Fire

extinguishin

g system

Smoke detector Check the indicator on the smoke detector.

Alarm beacon Check that the alarm beacon works properly.

Table 2-3 Semi-annual maintenance


Structure

system

Skylight tempered glass Clean the skylight steel glass. Clean the glass

using a piece of soft cotton cloth.

Cooling

system

NetCol5000-C 30 kW



Check that no foreign matter exists in the

fan.

Verify that the fan blades are intact.

Check that no abnormal noise is generated

when the fan is running.





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Check that the screws on the fan are not

loose or distorted.

Check that wiring terminals are secure.

Check and fasten all circuit connections.

Remove the dust.

Check that the display panel, ambient T/H

sensor, and cables are not aged on the

exterior.

Calibrate the T/H sensors inside and outside

the cabinet.

Verify that the heat exchanger fins are not

pushed down.

Managemen

t system

LAN switch Check the LAN switch availability.

Fire

extinguishin

g system

Smoke detector Check the smoke detector availability.

Table 2-4 Annual maintenance


Power

supply and

distribution

system

Precision PDC Check that the PDC is not dusty.

Check the PDC insulation.

Check that the PDC is properly sealed up.

Check the oxidation of metal components in

the PDC.

Integrated UPS Capacity test

Check ground cables.

Check power cables and terminals (between

the UPS and the power distribution cabinet).

Cable and circuit breaker through-current

capacity

Check the battery connection reliability.

Power off the UPS and check that the bolts

between power cables and the busbar are

tightened.

Power off the UPS and check that circuit





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breakers work properly.

Check the cable insulation performance.

Check the insulation resistance of the

secondary loop.

New main way Check the dust on the face of the new main

way.

Check the oxidation of metal components in

the new main way.

2.2 Routine Maintenance for the Structural System

Table 2-5 Routine maintenance for the structural system

Maintenance Item

Maintenance Interval

Operation Expected Result

Troubleshooting

Skylight

tempered glass

Quarterly Use a soft

cotton cloth to

clean the glass.

None None

Skylight

magnetic lock

1. Open the

skylight

magnetic

lock and

check

whether the

skylight

opens

properly.

2. Reset the

skylight,

close the

skylight

magnetic

lock, and

check

whether the

skylight

closes

properly.

The skylight

opens and

closes properly.

If the skylight

fails to open or

close properly,

check or replace

the skylight

magnetic lock.

Aisle end door 1. Check

whether the

end door is

deformed.

2. Open and

close the

The end door is

not deformed

and can be

opened and

closed properly.

Replace

components.





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Maintenance Item



Troubleshooting

end door,

and check

whether the

door can be

opened and

closed

smoothly

and whether

the door

closer is

normal.

Rotating

skylight

1. Check

whether the

rotating

skylights are

deformed.

2. Open and

close the

rotating

skylights,

and check

whether the

rotating

skylights

work

smoothly.

The rotating

skylights are

not deformed

and can be

opened and

closed properly.

Fixed skylight Check whether

the fixed

skylights are

free from

deformation,

corrosion, paint

flake-off.

The fixed

skylights are

free from

deformation,

corrosion, paint

flake-off.

2.3 Routine Maintenance for the Power Supply and Distribution System

2.3.1 Precision PDC Routine Maintenance

Routine maintenance is performed on a regular basis when the equipment is running properly

to find out and eliminate defects or potential risks in a timely manner.

The routine maintenance interval defines the frequency of performing maintenance tasks.

Perform regular maintenance according to maintenance items listed in Table 2-6.





12

Powering off the PDC may interrupt all services. Before disconnecting power, ensure that

related emergency plans have been worked out and permissions have obtained from parties

involved. Huawei bears no responsibility for any accidents or loss.

Table 2-6 Routine maintenance for the PDC

Maintenance Item


Operation Guide

Expected Result

Exception Handling

Three phase

power

indicators

Monthl

y

Check the

luminance of

the indicators.

The three

phase power

indicators

are steady

on.

Replace the indicator that

generates no or dim light by

referring to 5.1.1.2

Replacing an Indicator.

Surge

protection

module

Monthl

y

Check the

status of the

surge

protection

module

indicator and

circuit breaker.

The surge

protectio

n module

indicator

is green.

The

circuit

breaker is

switched

on.

If the indicator of an

SPD module is red,

replace the SPD module

by referring to 5.1.1.1

Replacing an SPD

Module.

If the circuit breaker is

switched off, switch it

on.

Liquid crystal

display (LCD)

screen on the

PDC

Monthl

y

Touch the LCD

screen with

your finger.

The LCD

screen panel

is in good

condition.

Check whether the power

cable is properly connected,

and replace the LCD screen

if necessary by referring to

5.1.1.6 Replacing an MDU.

Connections of

input power

cables and

output power

cables

Monthl

y

Visual

observation

The

cables are

not

damaged.

The

terminals

are intact

and

secure

and free

from

spark

signs and

rust.

Take measures depending

on the severity.

Signs of rodent

movements in

Monthl Visual There is no

sign of

If there is a sign of rodent

movements, ask a





13

Maintenance Item


Operation Guide

Expected Result

Exception Handling

the PDC y observation rodent

movements

in the PDC.

professional for advice.

PDC

component

appearance

Quarter

ly

Visual

observation

The exterior

is intact.

Take measures depending

on the severity.

Operating

temperature

and humidity of

the PDC

Quarter

ly

Point

thermometer

Operatin

g

temperat

ure:

–10°C to

+55°C

Humidity

:

5%–95%

RH

Check whether the air

conditioner and

dehumidifier in the

equipment room function

properly.

PDC interior Yearly Check whether

dust has

accumulated on

the PDC

mounting

panels.

The white

paper that

you use to

wipe the

mount panel

is clean.

If the white paper becomes

dirty, clean the PDC

interior.

Oxidation of

metal

components in

the PDC

Yearly Visual

observation

No metal

component

rusts.

If any metal component

suffers from severe

oxidation, remove the

rust or replace the

component in a timely

manner.

If the component is

painted, repaint it after

removing the rust.

2.3.2 Integrated UPS Routine Maintenance

2.3.2.1 Routine Maintenance for UPSs





14

Only trained personnel are allowed to perform maintenance. Before performing operations

on devices, wear electrostatic discharge (ESD) clothes, ESD gloves, and an ESD wrist

strap. Remove conductive objects such as jewelry and watches to avoid electric shocks or

burns.

Use insulated tools when maintaining components inside the UPS. Only trained personnel

are allowed to perform maintenance. Customers are not allowed to maintain the

components inside protective covers that could only be removed using tools. If the

components are to be maintained, contact Huawei technical support.

Only maintenance engineers are allowed to maintain the power module and bypass

module.

Maintain UPSs regularly based on the following requirements. Otherwise, the UPSs may

fail to operate properly and the lifespan may be shortened.

Table 2-7 UPS routine maintenance items

Maintenance Item

Maintenance Period Standard Troubleshooting

Operating

Environm

ent

Monthly Ambient

temperature: 0–40°C

Humidity: 0% to

95% RH

(non-condensing)

Rodent-proof

measures have been

taken for the

equipment room.

The equipment room

is airtight.

If the temperature or

humidity is

abnormal, check the

air conditioner

status.

Put rodent-proof

baffle plates at the

door of the UPS

equipment room.

Check that the

equipment room is

airtight and not in a

direct ventilation

environment.

Power

grid

environme

nt

Monthly Input voltage: 380 V

AC, 400 V AC, or

415 V AC (line

voltage)

Output voltage: 380

V AC, 400 V AC, or

415 V AC (tolerance

± 1%, line voltage)

Frequency: 40–70

Hz

If the input voltage

is abnormal, check

the power grid and

input cable

connection.

If the output voltage

is abnormal, check

the UPS running

status and check

whether an alarm is

generated.

Informatio

n on the

LCD

Monthly The status icons on the

LCD indicate that all

units are operating

properly, all operating

If an alarm is present,

rectify the fault by

checking the device

status and parameters.





15

Maintenance Item


parameters are within

their normal ranges, and

no fault or alarm

information is

displayed.

Cleanlines

s

Quarterly Wipe the cabinet

surface using a white

paper and the paper

does not turn black.

Remove the dust,

especially from the air

filter on the front door,

or replace the air filter.

Parameter

configurat

ion

Quarterly The configuration of the

output voltage grade,

frequency, number of

batteries, and battery

capacity meets

requirements.

Reset the parameters.

Status

record

Quarterly Record the three-phase

load rate and output

power factor.

If an exception occurs,

check the load status.

Shallow

discharge

test

(recomme

nded)

Quarterly Conduct a shallow

discharge test when the

UPS is backed up to

verify that the batteries

can discharge normally.

If an alarm is generated,

refer to the alarm list.

Grounding Annually Check that the ground

cables are connected

securely.

Tighten screws.

Power

cables and

terminals

(between

the UPS

and the

power

distributio

n cabinet)

Annually The insulation layer of

cables is intact and

terminals are free from

black marks and

noticeable sparks.

Replace the cable.

Secure the output

terminals.

Cable and

circuit

breaker

through-c

urrent

capacity

Annually The circuit breakers and

cables meet load

requirements.

The actual cable

through-current

capacity is greater than

the circuit breaker

specifications.

Replace the circuit

breaker.

Replace the cable.





16

To prevent system failures caused by the deterioration of some key UPS components, you are

advised to check the key components on a regular basis and replace them within the service

life. Table 2-8 lists the service life parameters for key components and recommended

replacement intervals.

Table 2-8 Service life parameters for replaceable components and recommended replacement

intervals

Key Component Expected Service Life Recommended Replacement Interval

Power module Fifteen years Ten years

Bypass module Fifteen years Ten years

Handling Fans Fifteen years Ten years

LCD screen Ten years Eight years

2.3.2.2 Routine maintenance for batteries

Before installing batteries, read through the battery user manuals and pay attention to safety

precautions and connection methods provided by battery manufacture. When installing and

maintaining batteries, pay attention to the following points.

Before battery maintenance, get the tools, such as handles, insulated. Do not place other

objects on the top of batteries.

Wear protective goggles and take other necessary protective measures.

Before installing or maintaining batteries, wear rubber gloves and protective clothing to

prevent skin contact with electrolyte in the case of electrolyte overflow.

When moving batteries, avoid handling the battery upside down, handle batteries gently,

and pay attention to personal safety.

Keep the battery switch off when installing or maintaining the batteries.

Never use any organic solvent to clean batteries.

Never try to remove the safety valve or pour anything into batteries.

Never smoke or have an open flame around batteries.

Charge batteries in a timely manner after battery discharge.

Only professional personnel are allowed to perform maintenance.

Table 2-9 Routine maintenance for batteries

Maintenance Item


Battery Monthly No battery management Identify the cause of an





17

Maintenance Item


alarm

manageme

nt

alarm is generated. alarm based on the

alarm information.

Battery

appearanc

e

Monthly 1. The surface is clean

and tidy without

stains.

2. The battery

terminals are intact.

3. Batteries are in good

condition and free

from damage and

cracks.

4. The battery has no

acid leakage.

5. Batteries are not

deformed or bulged.

If the battery

appearance is abnormal,

contact Huawei

technical support.

Battery

operating

temperatur

e

Monthly 1. The ambient battery

temperature is

25±5°C.

2. The working

temperature should

be less than the

ambient temperature

plus 20°C.

3. Battery charge and

discharge conditions

meet the

requirements

specified in the

battery

specifications.

1. Identify the cause of

an abnormal battery

operating

temperature.

2. If the fault persists,

contact Huawei

technical support.

Battery

string

charge

voltage

Monthly Equalized charging

voltage: (2.35 V/cell

± 1%) x number of

battery cells

Float charging

voltage: (2.25 V/cell

± 1%) x number of

battery cells

1. If the voltage drop

between the battery

string output

terminals and the

battery input

terminals at the UPS

host side is greater

than 1% of the

battery string

voltage, check

whether the cable

between the battery

string and the UPS

is excessively long,

or the cable diameter

is excessively small.

2. Check whether the

equalized charging





18

Maintenance Item


voltage and float

charging voltage are

correctly set for the

UPS.


contact Huawei

technical support.

Battery

manageme

nt

parameter

setting

Quarterly Check whether the

settings of battery

management parameters

meet the requirements

in the user manual.

Set parameters

correctly.

Tightness

of battery

screws

Quarterly The location of the

signs marked on battery

terminals indicating

tight connections does

not change.

Take photos from

multiple angles and

contact Huawei

technical support.

Cables

between

batteries

Quarterly No cable deteriorates

and the insulation layer

does not crack.

Replace the faulty

cable.

Battery

Voltage

Quarterly Equalized charging

voltage: 2.35

V/cell±0.02 V/cell

Float charging

voltage: 2.25

V/cell±0.02 V/cell

1. Check whether the

equalized charging

voltage and float

charging voltage of

a battery are normal.

2. If the charging

voltage of a battery

exceeds the

specifications

requirement,

perform a complete

forcible equalized

charging for the

battery, and check

again whether the

voltage is normal.


contact Huawei

technical support.

Shallow

discharge

test

(recomme

nded)

Quarterly Conduct a shallow

discharge test when the

UPS is backed up to

verify that the batteries

can discharge normally.

1. If the batteries

cannot discharge

normally, locate the

fault (for abnormal

alarms, see the

alarm list).


contact Huawei





19

Maintenance Item


technical support.

Capacity

Test

Annually When the UPS is

backed up, discharge a

battery to the

undervoltage alarm

threshold, to refresh the

capacity of the battery.

1. Locate the cause

when an exception is

identified.


contact Huawei

technical support.

Battery

connectio

n

Annually 1. When battery strings

are powered off,

check the reliability

of each connection

point from positive

terminals to negative

terminals. All points

are connected

reliably.

2. Use a torque wrench

to check the

tightening torque for

each battery screw.

The torque meets the

requirements of the

battery

manufacturer. After

checking that the

battery screws meet

the requirements,

mark the screws for

later check.

1. Rectify any

abnormal

connection.


contact Huawei

technical support.

2.3.2.3 Power Distribution System Maintenance

O&M Personnel Skill Requirements

O&M personnel must be qualified power distribution system engineers who are familiar with

the data center power supply and distribution system configurations and the operations for

each core component.

Power Distribution System Routine Maintenance

Table 2-10 Power distribution system routine maintenance

Maintenance Item



Troubleshooting





20

Maintenance Item



Troubleshooting

Power indicator Monthl

y

Observe the

indicator

luminance.

The indicators

are on.

If the power

supply is normal

but an indicator

is off or

generates dim

light, replace the

indicator.

Dust in the PDC Annual

ly

Check whether

there is dust on

the PDC panels.

The white paper

that you use to

wipe the PDC

panels is clean.

If the white

paper becomes

dirty, clean the

PDC.

Bolts between

power cables and

the busbar

Annual

ly

Tighten all bolts

regularly using an

adjustable wrench

after powering off

the device.

The bolts are

secured.

Tighten a bolt if

it is loose.

Circuit breaker Annual

ly

Switch on or off

the circuit breaker

after powering off

the device.

The circuit

breaker is

switched on and

off smoothly for

five times.

If the circuit

breaker jams,

maintain or

replace it.

PDC air-tightness Annual

ly

Check cable holes

and PDC sealing

plates.

There is no hole,

and sealing plates

have not shifted.

If there is a hole

or a sealing plate

has shifted, seal

the cable hole or

reinstall the

sealing plate.

Cable insulation Annual

ly

Measure the

insulation

resistance.

The insulation

resistance is

greater than or

equal to 5

megohms.

If the cable

insulation does

not meet the

requirement,

replace the

power cable.

PDC insulation Annual

ly

Measure the

insulation

resistance.

The insulation

resistance is

greater than or

equal to 10

megohms.

If the insulation

does not meet

the requirement,

check and

maintain each

component.

Insulation

resistance of the

secondary loop

Annual

ly

Measure the

insulation

resistance.

The insulation

resistance is

greater than or

equal to 2

megohms.

If the insulation

does not meet

the requirement,

check and

maintain each

component and





21

Maintenance Item



Troubleshooting

signal cables.

2.3.3 Routine Maintenance for the New Main Way

The power-off operation may interrupt all services. Before the power-off operation, ensure

that emergency plans have been worked out and approved by parties involved. Huawei bears

no responsibility for any accidents or loss.

Table 2-11 Routine maintenance items for the new main way

Maintenance Item

Maintenance Period

Operation Standard Troubleshooting

Check the

connections of

input and

output power

cables.

Mont

hly

Visual

observation

The

cables are

not

damaged.

The

terminals

are intact

and

secure

and free

from

spark

signs and

rust.

Replace damaged cables.

Secure output terminals.

Check the signs

of rodent

movements in

the new main

way.

Mont

hly

Visual

observation

No signs of

rodent

movements

are found in

the new main

way.

If there is a sign of rodent

movements, ask a

professional to trap the

animals.

Check the

exterior of the

new main way

component.

Quart

erly

Visual

observation

The exterior

is intact.

Seal the damage if it is not

severe. Replace the

component is the damage is

severe.





22

Maintenance Item

Maintenance Period


Check the

operating

temperature and

humidity of the

new main way.

Quart

erly

Point

thermometer

and T/H sensor

Operating

temperatu

re: –10°C

to +55°C

Humidity

:

5%–95%

RH

Check whether the air

conditioner and dehumidifier

in the equipment room

function properly.

Check the dust

on the face of

the new main

way.

Annu

ally

Visual

observation

The piece of

white paper

that you use

to wipe the

cabinet panel

is clean.

If the piece of white paper

turns black, clean the new

main way.

Check the

oxidation of

metal

components in

the new main

way.

Annu

ally

Visual

observation

No metal

component

rusts.

If any metal component

experiences severe

oxidation, remove the

rust or replace the

component in a timely

manner.

If the component was

painted before, repaint it

after removing the rust.

2.4 Routine Maintenance for the Cooling System Table 2-12 describes the routine maintenance requirements for the NetCol5000-C.

The condensate pump, float, electric heater, and humidifier are optional components. If not configured, ignore the maintenance for them.

If the NetCol5000-C will be idle for a long time in the low temperature area, switch off the

chilled water stop valve and humidifier water inlet valve to prevent freezing.





23

Table 2-12 Routine maintenance

No. Operation Troubleshooting Period Result

1 Check whether an air

filter is blocked.

Clean (water can be used) or

replace the air filter.

Monthl

y

□Passed.

□Failed.

2 Check whether an air

filter is damaged or

deformed.

Replace the air filter by referring

to 5.2.3 Replacing an Air Filter if

necessary.

Monthl

y

□Passed.

□Failed.

3 Check that the valve

does not leak.

Shut down the exhaust valve. Monthl

y

□Passed.

□Failed.

4 Check that screws

fastening the condensate

pump and water sensor

are securely connected.

Secure the screws tightly. Monthl

y

□Passed.

□Failed.

5 Check that the water pan

filter is clean and not

blocked.

Clean the water pan filter, shown

in Figure 2-1.

Monthl

y

□Passed.

□Failed.

6 The humidifier cylinder

interior wall is free from

layered water scale.

Replace the humidifier cylinder

by referring to 5.2.7 Replacing a

Humidifier Cylinder. Huawei

recommends replacing the

humidifier cylinder once every

six months.

Monthl

y

□Passed.

□Failed.

7 The electric heater

surface is not eroded,

dirtied, or blocked.

Replace the electric heater by

referring to 5.2.6 Replacing an

Electric Heater.

Monthl

y

□Passed.

□Failed.

8 Humidity and

temperature sensors in

air conditioners and

aisles are securely

installed.

Secure the sensors. Monthl

y

□Passed.

□Failed.

9 Lift the low float and

tap Running >

Status on the

controller LCD. If

the float is in the ON

state, it is working

properly. Five

seconds later one

condensate pump

would start. Put

down low float.

Lift the low and high

float. Tap

Running > Status

on the controller

LCD. If the floats are

in the ON state, they

If the float is faulty, replace it

promptly. For details, see

5.2.13 Replacing a Float.

If the condensate pump is

faulty, replace it promptly.

For details, see 5.2.4

(Optional) Replacing a

Condensate Pump.

Top

drainag

e:

monthly

Bottom

drainag

e:

Quarterl

y

□Passed.

□Failed.





24


are working

properly. Five

seconds later two

condensate pump

would start. Put

down the two floats.

Do not hold the two

floats up so long, to

avoid pumping air for a

long time.

10 Start the indoor unit,

choose Maint >

Diagnostic Mode >

Enter from the main

screen, and set

Humidifier to 50%.

Check whether water

can be injected

smoothly.

Check that the water inlet

sluice is open.

Disconnect the humidifier

water injection hose and clear

the blockage in the hose.

Quarterl

y

□Passed.

□Failed.

11 (Following the

preceding step) Set

Humidifier to 0%, and

press the manual water

drain button on the side

of the electric control

box to "OFF" to check

whether water drainage

is normal. After the

check is complete, set

the manual drainage

button on the side of the

electric control box to

"ON".

NOTE

Ensure that the manual drainage button on the side of the electric control box is set to "ON" after the check ends. Otherwise, the humidifier will not be filled with water when it is running.

Disconnect the drainpipe from

the device, and use a rubber

mallet to knock the drainpipe to

remove foreign matter or

impurities from the drainpipe.

Then remove the water pump

and clean up impurities from the

water pump. If the impurities are

too much to be cleared, replace

the water pump.

NOTE

When installing a pipe, seal screw thread joints using water sealant and ensure that no water leaks.

If the fault persists after the maintenance, see section 4.2 Troubleshooting the Cooling System for further processing.

Quarterl

y

□Passed.

□Failed.

12 Start the indoor unit,

choose Maint >

Diagnostic Mode >

Enter from the main

screen, and set electric

heater to On. Check that

the electric heater

generates heat.

NOTE

Replace the electric heater by

referring to 5.2.6 Replacing an

Electric Heater.

Quarterl

y

□Passed.

□Failed.





25


To avoid burns, do not touch the electric heater surface with bare skin.

13 Choose Maint >

Diagnostic Mode >

Enter and set the chilled

water valve openness to

100%. Check that the

chilled water valve

handle automatically

turns to the maximum

opening.

If the chilled water valve handle

does not automatically turn to

the maximum opening,

troubleshoot by following

instructions in 4.2

Troubleshooting the Cooling

System.

Quarterl

y

□Passed.

□Failed.

14 Check that no foreign

matter exists in the fan.

Clean the foreign matters. Semi-an

nual

□Passed.

□Failed.

15 Check that the blades

are intact.

Maintain the blades. If the fault

is not rectified, replace the fan

by referring to 5.2.5 Replacing a

Fan.

Semi-an

nual

□Passed.

□Failed.

16 Check that no abnormal

voice is generated

during operation.

Clean the foreign matters, and

make sure that the fan is fixed

properly.

Semi-an

nual

□Passed.

□Failed.

17 Check that the screws

are secured and not

deformed.

Tighten the screws. Replace the

screws if necessary.

Semi-an

nual

□Passed.

□Failed.

18 Check that the wiring

terminals are secured.

Reconnect the cables again. Semi-an

nual

□Passed.

□Failed.

19 Check and secure all

cables and verify that

wiring terminals are

secure. For example,

check that the cable

connections from the

electric control panel to

the fan, temperature

sensor, water sensor,

subrack power supply,

chilled water valve, and

high and low float

switches are secure.

If a wiring terminal is loose,

secure or replace it promptly.

Semi-an

nual

□Passed.

□Failed.

20 Use a brush or

compressed dry air to

clean various electric

components, control

components, the main

control board, and the

surge protection and

voltage test board.

N/A Semi-an

nual

□Passed.

□Failed.





26


21 Check whether the

display panel, humidity

and temperature sensor

or cables is aging on the

surface.

Replace the components or

cables.

Semi-an

nual

□Passed.

□Failed.

22 Use a high-precision

humidity and

temperature sensor to

calibrate the humidity

and temperature sensors

inside and outside the

cabinet.

If the temperature deviation is

greater than 1°C or humidity

deviation is greater than 5%, the

temperature and humidity sensor

must be calibrated or replaced.

Semi-an

nual

□Passed.

□Failed.

23 The heat exchanger fins

are not pushed down.

Use a fin brush to organize the

fins that are pushed down.

Semi-an

nual

□Passed.

□Failed.

Figure 2-1 Removing the water pan filter





27

2.5 Routine Maintenance for the Intelligent Battery Monitoring System

Only trained personnel are allowed to maintain the intelligent battery monitoring system of

the data center. For safety requirements, see safety precautions in iBAT 2.0-CIM01C2 User

Manual.

Table 2-13 Routine maintenance items

Check Item Maintenance Period

Standard Troubleshooting

Battery management

alarm

Monthly No battery

management alarm

is generated.

Find the cause of an

alarm based on the

alarm information.

Cleanliness Monthly After you wipe the

battery surface using

a piece of white

paper, the paper

does not turn black.

Remove dust from

the battery surface.

Ambient

temperature

detection

Monthly The ambient

temperature should

be lower than 45°C.

Find the cause of an

abnormal

temperature.

Battery management

parameter setting

Quarterly Check that the

battery management

parameters are set

based on site

requirements.

Set parameters

correctly.

BIM connection Quarterly The BIM is

attached firmly.

All BIM cables

are securely

connected.

No BIM cable

deteriorates and

the insulation

layer does not

crack.

Secure the BIM

again.

Verify that all

BIM cables are

securely

connected.

Replace the

faulty cable.

CIM connection Quarterly The CIM is

attached firmly.

The cable to the

PoE port is

connected

securely.

If a cable is

connected to the

COM port, check

that the cable

connection is

Secure the CIM

again.

Reconnect the

cable to the PoE

port.

Reconnect the

cable to the

COM port.

Reconnect the

cable to the BCB





28

Check Item Maintenance Period

Standard Troubleshooting

secure.

If a cable is

connected to the

BCB port, check

that the cable

connection is

secure.

The cable to the

HALL current

monitoring port

is connected

securely.

port.

Reconnect the

cable to the

HALL current

monitoring port.

If the fault persists, contact Huawei technical support.

2.6 Routine Maintenance for the Management System

2.6.1 ECC800 Routine Maintenance

Table 2-14 Routine maintenance for the PSU in the ECC800

Maintenance Item

Baseline Requirement Troubleshooting

AC input Input voltage: 200–240 V AC

or 100–120 V AC

Frequency: 45–66 Hz

If the input voltage is abnormal, check

the power grid and input cable

connection.

Output

voltage

Output voltage: 53.5 V DC

(tolerance ±5%)

If the output voltage is abnormal, check

the load power and cable connection.

Indicator The indicator on the PSU is

steady green.

Check the output voltage and determine

whether the PSU is faulty. If the PSU is

faulty, replace it.

Fan No abnormal noise is

generated.

If abnormal noise is generated, clean the

fan.

Operating

environment

Ambient temperature:

–20°C to +50°C

Humidity: 0–95% RH

(non-condensing)

If the humidity or temperature is

abnormal, check the air conditioner

status.

Cable Securely connected Secure loose cables.





29

Maintenance Item


Connection Intact Replace damaged cables.

Table 2-15 Routine maintenance for the PMU in the ECC800

Maintenance Item


PMU

indicator

The PMU indicator is steady

green or blinking green.

If the indicator is off or any abnormal

condition occurs, see 4.3 ECC800

Troubleshooting to rectify the fault.

Network

interface

indicator

The green indicator is steady

on, and the yellow indicator

is blinking.

Check the network cable connection.

Monitor

interface

(network

management

system or

WebUI)

Export air conditioner logs,

alarms, temperature,

humidity, as well as the

operating status and time of

the water sensor, door status

sensor, temperature sensor,

and smoke detector from the

monitoring system. View the

historical alarms generated in

this quarter and select the

most common five ones.

See 4.3 ECC800 Troubleshooting to

handle common alarms, or contact

Huawei technical support.

Operating

environment

Ambient temperature:

–20°C to +50°C

Humidity: 0–95% RH

(non-condensing)

If the humidity or temperature is

abnormal, check the air conditioner

status.

Cable

Connection

Securely connected Secure loose cables.

Intact Replace damaged cables.

2.6.2 Routine Maintenance for the LAN Switch

Table 2-16 Routine maintenance for the switch

Maintenance Item

Maintenance Period

Method Expected Result

Exception Handling

LAN switch

availability

Semi-annua

lly

Observe the

PWR

indicator on

the switch.

Observe the

The PWR

indicator is

steady

green.

The SYS

Take appropriate measures

based on the PWR indicator

status.

Off: The power supply unit

(PSU) is not detected, or





30

Maintenance Item

Maintenance Period


Exception Handling

SYS

indicator on

the switch.

indicator is

blinking

green.

the board power supply is

abnormal when the switch

is configured with one

PSU.

Steady red: The possible

causes are as follows:

Two PSUs configured on

the switch are detected, but

the circuit breaker is off.

The power supply is

disconnected.

Both the board and power

over Ethernet (PoE) power

supplies are faulty.

Steady orange: When the

switch is configured with

one PSU, the PoE power

supply is abnormal. When

the switch is configured

with two PSUs, the board

or PoE power supply is

abnormal.

Take corrective measures

based on the SYS indicator

status:

Off: The switch is not

running.

Steady green: The switch is

not running properly or is

starting.

Steady orange: The

indicator takes a self-test

during startup.

Steady red: The switch

does not run properly after

being registered or alarms

indicating that the power

supply, fan, or temperature

is abnormal are generated.

2.6.3 Routine Maintenance for the VCN500

Table 2-17 Routine maintenance for the VCN500

Maintenance Item

Maintenance Period






31

Maintenance Item

Maintenance Period


Check the

VCN500

indicator.

Monthly Observe the

VCN500

indicator.

The VCN500

indicator is

steady green.

See the

delivered

documents.

2.6.4 Routine Maintenance for the 2.4G Antenna

Table 2-18 Routine maintenance for the 2.4G antenna

Maintenance Item

Maintenance Period


Check the

availability of

the 2.4G

antenna.

Semi-annually Check the

communication

status of the AC

actuator.

The

communication

status of the AC

actuator is

normal.

If the

communication

is not normal,

check whether

the antenna is

shielded. If so,

install the

antenna to a

different

position. If not,

replace the

antenna.

2.6.5 Routine Maintenance for the 3G Antenna

Table 2-19 Routine maintenance for the 3G antenna

Maintenance Item

Maintenance Period


Check the

availability of

the 3G antenna.

Semi-annually After a

simulated alarm

is generated, an

alarm message

will be sent to

the mobile

phone number

bound on the

WebUI.

The bound

mobile phone

number

receives the

alarm message.

If the bound

mobile phone

number fails to

receive the

alarm message,

check whether

the antenna is

shielded. If so,

install the

antenna to a

different

position. If not,

replace the

antenna.





32

2.6.6 Routine Maintenance for the Smart ETH Gateway

Table 2-20 Routine maintenance for the smart ETH gateway

Maintenance Item

Maintenance Period


Check the

indicator on the

smart ETH

gateway.

Quarterly Observe the

PWR, RUN,

and ALM

indicators.

If the green

PWR

indicator is

steady on,

the power

input is

normal.

If the RUN

indicator is

off, the

power is

abnormal. If

the RUN

indicator

blinks

slowly, the

multi-functi

onal sensor

is running

normally. If

the RUN

indicator

blinks at

short

intervals, the

communicat

ion is

interrupted.

The ALM

indicator is

off.

If the PWR

indicator is

off, check

whether the

48 V power

cable and

connectors

are normal.

If not,

reconnect

them. If so,

replace

them.

If the RUN

indicator

blinks at

short

intervals,

check

whether the

communicat

ions cable is

loose or

disconnecte

d. If so,

reconnect

the cable. If

not, replace

the cable.

If the ALM

indicator is

steady on,

clear the

alarm by

referring to

ECC800

Alarm

Reference

V100R001.

Check the

availability of

the smart ETH

gateway.

Semi-annually On the WebUI

of the ECC800,

choose

Monitoring >

System >

Smart ETH

Gateway

On the WebUI

of the ECC800,

check that the

PoE port

connection and

power supply in

the smart ETH

If the PoE port

connection and

power supply in

the smart ETH

gateway is not

normal, check

whether the





33

Maintenance Item

Maintenance Period


Group >

Smart ETH

Gateway to

enter the

operating

information

page, and check

the

communication

s, PoE port

connection, and

power supply.

gateway is

normal.

communication

s cable is loose

or

disconnected. If

so, reconnect

the cable. If not,

replace the

cable.

2.6.7 Routine Maintenance for the Pad

Table 2-21 Routine maintenance for the pad

Maintenance Item

Maintenance Period


Check the pad

availability.

Semi-annually Log in to the

ECC800 app

page through a

pad, and check

the basic

information.

The login is

successful, and

you can browse

the basic

information

(including

views, alarms,

and asset

information) of

the smart

module.

If the login is

failed, check

the WiFi

connection first.

If the WiFi

connection is

normal, check

the user name

and password

on the WebUI.

If the fault

persists, replace

the pad. If you

cannot browse

the basic

information of

the smart

module after

successful

login, visit

https://192.168.

245.10 through

Firefox, log in

to the WebUI,

download the

pad upgrade

package, and

update the app

version. If the

fault persists,





34

Maintenance Item

Maintenance Period


replace the pad.

2.6.8 Routine Maintenance for the WiFi Antenna

Table 2-22 Routine maintenance for the WiFi antenna

Maintenance Item

Maintenance Period


Check the

availability of

the WiFi

antenna.

Quarterly Search the WiFi

access point of

the ECC800

through a

mobile phone

or pad.

Search the WiFi

access point of

the ECC800

configuration

through a

mobile phone

or pad.

Check that the

mobile phone

and pad are

normal. If a

fault occurs in

WiFi accessing

or

configuration,

check whether

the antenna is

shielded. If so,

install the

antenna to a

different

position. If not,

replace the

WiFi antenna.

2.6.9 Routine Maintenance for the WiFi Converter

Table 2-23 Routine maintenance for the WiFi converter

Maintenance Item

Maintenance Period


Check the

indicator on the

WiFi converter.


RUN indicator.

If the green

RUN indicator

is off, the

power input is

abnormal. If the

RUN indicator

blinks slowly,

the WiFi

converter is

running

normally. If the

RUN indicator

blinks at short

If the RUN

indicator is off,

check the

communication

s cable. If the

RUN indicator

blinks at short

intervals and

the

communication

is interrupted,

replace the

communication





35

Maintenance Item

Maintenance Period


intervals, the

communication

is interrupted.

s cable or WiFi

converter.

2.6.10 Routine Maintenance for the AC Actuator

Table 2-24 Routine maintenance for the AC actuator

Maintenance Item

Maintenance Period


Check the

indicator on the

AC actuator.


PWR, RUN,

and ALM

indicators.

If the green

PWR

indicator is

steady on,

the power

input is

normal.

If the RUN

indicator is

off, the

power is

abnormal. If

the RUN

indicator

blinks

slowly, the

multi-functi

onal sensor

is running

normally. If

the RUN

indicator

blinks at

short

intervals,

the

communicat

ion is

interrupted.

The ALM

indicator is

off.

If the PWR

indicator is

off, check

whether the

power cable

of the AC

actuator is

normal or is

properly

connected to

the front

end. If not,

reconnect

the cable. If

so, replace

the AC

actuator.

If the RUN

indicator

blinks at

short

intervals,

check

whether the

antenna is

shielded. If

so, install

the antenna

to a

different

position. If

not, replace

the antenna.

If the ALM

indicator is

steady on,

clear the

alarm by





36

Maintenance Item

Maintenance Period


referring to

ECC800

Alarm

Reference

V100R001.

Check the

availability of

the AC

actuator.


of the ECC800,

choose

Monitoring >

Aisle > AC

Actuator

Group > AC

Actuator to

enter the

Controls page,

and remotely

control the

lights.

Lights in the

smart module

aisle can be

normally

controlled

through the AC

actuator.

If the lights

cannot be

normally

controlled,

check whether

the AC power

cable to the

lights is loose

or

disconnected. If

so, reconnect

the cable. If

not, replace the

AC actuator.

2.6.11 Routine Maintenance for Cameras

Table 2-25 Routine maintenance for cameras

Maintenance Item



Troubleshooting

Camera

availability

Semi-annually On the NetEco,

choose

Configuration

> Camera

Management >

Video Camera

Management

to enter the

camera

management

page. Type the

camera name or

IP address to

find the camera,

and click the

camera name or

icon on the

left to view the

real-time

monitoring

page.

A monitoring

page is

displayed.

If the

monitoring

page is not

displayed,

check whether

the IP address is

correctly set

and the power

over Ethernet

(PoE) function

is enabled on

the LAN

switch. Then

check the

cables or

replace the

camera. For

details about

how to replace

a camera, see

5.5.25

Replacing a





37

Maintenance Item



Troubleshooting

Camera.

2.6.12 Routine Maintenance for the Multi-Functional Sensor

Table 2-26 Routine maintenance for the multi-functional sensor

Maintenance Item

Maintenance Period


Check the

multi-functional

sensor

indicator.


PWR, RUN,

and ALM

indicators.

If the green

PWR

indicator is

steady on,

the power

input is

normal.

If the RUN

indicator is

off, the

power is

abnormal. If

the RUN

indicator

blinks

slowly, the

multi-functi

onal sensor

is running

normally. If

the RUN

indicator

blinks at

short

intervals, the

communicat

ion is

interrupted.

The ALM

indicator is

off.

If the PWR

indicator is

off, check

whether the

communicat

ions cable is

loose or

disconnecte

d or whether

the smart

ETH

gateway is

not

energized.

Reconnect

the cable if

it is not

properly

connected.

If the fault

persists,

replace the

cable.

If the RUN

indicator

blinks at

short

intervals,

check the

communicat

ions cable

connection.

If the fault

persists,

replace the

multi-functi

onal sensor.

If the ALM

indicator is

steady on,





38

Maintenance Item

Maintenance Period


clear the

alarm by

referring to

ECC800

Alarm

Reference

V100R001.

2.6.13 Routine Maintenance for Water Sensors

Table 2-27 Routine maintenance for water sensors

Maintenance Item

Maintenance Period


Check the

availability of

the water

sensor.

Semi-annually Drip water on

the water

detection cable

using a cup, and

view active

alarms on the

WebUI.

A water alarm

is generated on

the WebUI.

If no water

alarm is

displayed on

the WebUI,

check whether

the water sensor

cable is loose or

disconnected. If

the cable is

properly

connected,

replace the

water sensor.

2.6.14 Routine Maintenance for Temperature Sensors

Table 2-28 Routine maintenance for temperature sensors

Maintenance Item

Maintenance Period

Operation Standards Troubleshooting

Check the

availability of

the temperature

sensor.

Semi-annually Hold the

temperature

sensor probe in

your palm, and

check the

temperature

displayed for

the

corresponding

rack

environment

Temperature

displayed for

the

corresponding

rack

environment

unit goes up on

the WebUI.

If the

temperature

does not go up,

check whether

the temperature

sensor cable is

loose or

disconnected. If

so, reconnect

the cable. If not,

replace the





39

Maintenance Item

Maintenance Period

Operation Standards Troubleshooting

unit on the

WebUI.

temperature

sensor.

2.6.15 Routine Maintenance for the Skylight System

Table 2-29 Routine maintenance for the skylight system

Maintenance Item

Maintenance Period


Check the

indicator on the

skylight

actuator.


PWR, RUN,

and ALM

indicators.

If the green

PWR

indicator is

steady on,

the power

input is

normal.

If the RUN

indicator is

off, the

power is

abnormal. If

the RUN

indicator

blinks

slowly, the

skylight

actuator is

running

normally. If

the RUN

indicator

blinks at

short

intervals, the

communicat

ion is

interrupted.

The ALM

indicator is

off.

If the PWR

indicator is

off, check

whether the

communicat

ions cable is

loose or

disconnecte

d or whether

the smart

ETH

gateway is

not

energized. If

so,

reconnect

the

communicat

ions cable.

If not,

replace the

communicat

ions cable.

If the RUN

indicator

blinks at

short

intervals,

check

whether the

communicat

ions cable is

loose or

disconnecte

d or whether

the smart

ETH

gateway is

energized.





40

Maintenance Item

Maintenance Period


If the ALM

indicator is

steady on,

clear the

alarm by

referring to

ECC800

Alarm

Reference

V100R001.

Check the

availability of

the skylight

actuator.


of the ECC800,

choose

Monitoring >

Aisle >

Skylight

Actuator

Group >

Skylight

Actuator to

enter the

Controls page,

and remotely

control the

skylight.

The skylight in

the smart

module aisle

can be normally

controlled

through the

skylight

actuator.

If the skylight

cannot be

normally

controlled,

check whether

the cable

between the

skylight

magnetic lock

and actuator is

in good

condition and

securely

connected. If

so, replace the

skylight

magnetic lock

or actuator.

Check the

availability of

the magnetic

lock.

2.6.16 Routine Maintenance for the Access Control System

2.6.16.1 Routine Maintenance for the Access Actuator

Table 2-30 Routine maintenance for the access actuator

Maintenance Item

Maintenance Period


Check the

indicator on the

access actuator.


PWR, RUN,

and ALM

indicators.

If the green

PWR

indicator is

steady on,

the power

input is

normal.

If the RUN

indicator is

off, the

power is

If the PWR

indicator is

off, check

whether the

communicat

ions cable is

loose or

disconnecte

d or whether

the smart

ETH





41

Maintenance Item

Maintenance Period


abnormal. If

the RUN

indicator

blinks

slowly, the

access

actuator is

running

normally. If

the RUN

indicator

blinks at

short

intervals, the

communicat

ion is

interrupted.

The ALM

indicator is

off.

gateway is

not

energized. If

so,

reconnect

the cable. If

not, replace

the access

actuator.

If the RUN

indicator

blinks at

short

intervals,

check

whether the

communicat

ions cable is

properly

connected.

If not,

reconnect

the cable. If

so, replace

the cable.

If the ALM

indicator is

steady on,

clear the

alarm by

referring to

ECC800

Alarm

Reference

V100R001.

Check the

availability of

the access

actuator.


of the ECC800,

choose

Monitoring >

Aisle > Access

Actuator

Group >

Access

Actuator to

enter the

Controls page,

and remotely

control the

doors.

The smart

module aisle

doors can be

normally

controlled

through the

access actuator.

If the smart

module aisle

doors cannot be

normally

controlled,

check whether

the magnetic

lock cable is

loose or

disconnected. If

so, reconnect

the cable. If not,

replace the

access actuator

or magnetic





42

Maintenance Item

Maintenance Period


lock.

2.6.16.2 Routine Maintenance for the Access Control Device

Table 2-31 Routine maintenance for the access control device

Maintenance Item

Maintenance Period


Check the

availability of

the access

control device.

Semi-annually (Optional)

Open the door

using an

authorized

fingerprint.

The aisle door

can be opened.

If the aisle door

cannot be

opened, check

the cable

connection. If

the cable is

properly

connected,

replace the

access control

device.

(Optional)

Open the door

using an

authorized

password.

The aisle door

can be opened.

(Optional)

Open the door

using an

authorized

access card.

The aisle door

can be opened.

If the aisle door

cannot be

opened, change

the access card.

If the fault is

rectified using a

different access

card, record the

access card

information. If

the fault

persists using a

different access

card, check the

cable

connection. If

the cable is

properly

connected,

replace the

access control

device.





43

2.6.16.3 Routine Maintenance for the Sliding Door Magnetic Lock

Table 2-32 Routine maintenance for the sliding door magnetic lock

Maintenance Item

Maintenance Period


Check the

availability of

the access

system.

Semi-annually Open the door. Doors can be

normally

opened through

the access

control device.

If the access

control device

and actuator are

working

properly, check

whether the

magnetic lock

cable is

properly

connected. If

not, reconnect

the cable. If so,

replace the

magnetic lock.

2.6.16.4 Routine Maintenance for the Revolving Door Magnetic Lock

Table 2-33 Routine maintenance for the revolving door magnetic lock

Maintenance Item

Maintenance Period


Check the

availability of

the access

system.

Semi-annually Open the door. Doors can be

normally

opened through

the access

control device.

If the access

control device

and actuator are

working

properly, check

whether the

cable is

properly

connected to

the magnetic

lock. If not,

reconnect the

cable. If so,

replace the

magnetic lock.





44

2.6.16.5 Routine Maintenance for the Emergency Button

Table 2-34 Routine maintenance for the emergency button

Maintenance Item

Maintenance Period


Check the

availability of

the access

control system.

Semi-annually Open the door

by pushing the

emergency

button.

The door opens

normally after

you push the

emergency

button.

If the other

devices in the

access control

system are

working

properly and

the door cannot

be opened by

pushing the

emergency

button, replace

the emergency

button.

2.6.16.6 Routine Maintenance for the Exit Button

Table 2-35 Routine maintenance for the exit button

Maintenance Item

Maintenance Period


Check the

availability of

the access

control system.

Semi-annually Open the door

by pushing the

exit button.

The door opens

normally after

you push the

exit button.

If the other

devices in the

access control

system are

working

properly and

the door cannot

be opened by

pushing the exit

button, replace

the exit button.

2.6.17 Routine Maintenance for Light Buttons

Table 2-36 Routine maintenance for light buttons

Maintenance Item

Maintenance Period


Check the

availability of

the light

Semi-annually Turn on and off

the aisle lights.

The aisle lights

are working

normally.

If the lights can

be controlled by

AC actuator





45

Maintenance Item

Maintenance Period


buttons. instead of the

light buttons,

check whether

the cable is

properly

connected to

the light buttons

one by one. If

not, reconnect

the cable. If so,

replace the light

buttons.

2.6.18 Routine Maintenance for the Electronic Cabinet Lock

Table 2-37 Routine maintenance for the electronic cabinet lock

Maintenance Item

Maintenance Period


Check the

availability of

the electronic

cabinet lock.

Semi-annually Observe the

indicator on the

electronic

cabinet lock,

and test the lock

function by

swiping a card.

Normally, after

the card

swiping, the

indicator turns

green, and the

door can be

opened.

If the door

cannot be

opened, change

the access card.

If the fault is

rectified using a

different access

card, record the

access card

information. If

the fault

persists using a

different access

card, check

whether the

cable

connection to

the electronic

cabinet lock. If

the cable is

properly

connected,

replace the

electronic

cabinet lock.





46

2.6.19 Routine Maintenance for the Door Status Sensor

Table 2-38 Routine maintenance for the door status sensor

Maintenance Item

Maintenance Period


Check the

availability of

the door status

sensor.

Quarterly Open and close

the cabinet

doors, and view

the alarm

information on

the WebUI of

the ECC800.

You can view

the information

of the door

status sensor in

the rack

environment

unit on the

WebUI of the

ECC800.

Open doors

with door status

sensors. If no

door status

alarm is

generated,

replace the

corresponding

door status

sensor.

2.6.20 Routine Maintenance for the Rack Environment Unit

Table 2-39 Routine maintenance for the rack environment unit

Maintenance Item

Maintenance Period


Check the

indicator in the

rack

environment

unit.


PWR, RUN,

and ALM

indicators.

If the green

PWR

indicator is

steady on,

the power

input is

normal.

If the RUN

indicator is

off, the

power is

abnormal. If

the RUN

indicator

blinks

slowly, the

multi-functi

onal sensor

is running

normally. If

the RUN

indicator

blinks at

short

intervals, the

communicat

ion is

If the PWR

indicator is

off, check

whether the

communicat

ions cable is

loose or

disconnecte

d or whether

the smart

ETH

gateway is

not

energized. If

so,

reconnect

the cable. If

not, replace

the cable.

If the RUN

indicator

blinks at

short

intervals,

check

whether the

communicat





47

Maintenance Item

Maintenance Period


interrupted.

The ALM

indicator is

off.

ions cable is

loose or

disconnecte

d or whether

the smart

ETH

gateway is

energized.

If the ALM

indicator is

steady on,

clear the

alarm by

referring to

ECC800

Alarm

Reference

V100R001.

Check the

availability of

the rack

environment

unit.


of the ECC800,

choose

Monitoring >

IT Cabinet >

Rack

Environment

Unit to enter

the operating

information

page, and check

the

communication

status and

temperature.

The

communication,

temperature,

and door status

information of

the rack

environment

unit are

normally

displayed on

the WebUI of

the ECC800.

If the displayed

information is

not normal,

check whether

the

communication

s cable is loose

or

disconnected. If

so, reconnect

the cable. If not,

replace the rack

environment

unit.

2.7 Routine Maintenance for the Fire Extinguishing System

2.7.1 Routine Maintenance for Smoke Detectors

Table 2-40 Routine maintenance for smoke detectors

Maintenance Item

Maintenance Period


Troubleshooting

Smoke Quarterl Check whether The indicator If the indicator blinks twice





48

Maintenance Item

Maintenance Period


Troubleshooting

detector

indicator

y the indicator on

the smoke

detector is

normal.

blinks once

every 6 seconds.

(The interval

varies with

detectors. See

the product

instructions.)

every 6 seconds or does not

blink, the smoke detector is

faulty or the cables are not

properly connected. Check

the cables or replace the

smoke detector.

Smoke

detector

availability

Semi-an

nually

Use a dedicated

test instrument

or a smoke

generator to test

the smoke

detector. Blow

smoke into the

smoke detector

probe and

observe the

indicator status.

If the smoke

density is

below the

alarm

threshold,

the alarm

indicator

blinks once

every six

seconds.

If the smoke

density

exceeds the

alarm

threshold,

the alarm

indicator is

steady on.

If the smoke density is

below the alarm

threshold but the alarm

indicator blinks twice

every 6 seconds, the

smoke detector is

faulty. Replace the

smoke detector.

If the smoke density

exceeds the alarm

threshold but the alarm

indicator is not steady

on, replace the smoke

detector.

You are advised to clean the smoke detectors every two years.

2.7.2 Routine Maintenance for the Alarm Beacon

Table 2-41 Routine maintenance for the alarm beacon

Item Maintenance Period


Exception Handling

Check the

alarm function

of the alarm

beacon.

Quarterly Simulate a

smoke

environment

with a

multi-functiona

l sensor. If no

multi-functiona

l sensor is

configured,

simulate a

smoke

environment

A smoke alarm

is displayed on

the active

alarm screen

on the app or

WebUI, and

the alarm

beacon

generates an

audible and

visual alarm.

If the alarm

beacon does not

blink or generate

any sound, the

alarm beacon is

faulty or the cable

is not well

connected. Check

the cable or

replace the alarm

beacon.





49

Item Maintenance Period


Exception Handling

with a smoke

detector.


Maintenance Guide (ECC800) 3 Alarm Reference



50

3 Alarm Reference

3.1 Alarms for the Power Supply and Distribution System For details about component alarms for the power supply and distribution system, see the

delivered documents. When unpacking the equipment, collect the delivered documents.

If the alarm is not cleared after performing operations described in related documents, contact Huawei technical support.

3.1.1 Precision PDC Alarm Reference

Alarm Name

Alarm Severity

Impact Possible Cause

Solutions

Abnormal

board

comm.

Critical The

communication

between the

MDU and

detection board is

interrupted.

The

monitoring

board is

disconnected.

Check whether the

CAN cable is in loose

contact. If yes, connect

it securely.

Configuring

board ...

Warning The MDU is

configuring the

power

distribution

detection board.

The MDU is

configuring

the power

distribution

detection

board.

N/A

Failed to

configure

board

Critical Failed to

configure the

power

distribution

detection board.

The MDU

version does

not match the

power

distribution

monitoring

board.

Use the latest upgrade

package to activate the

board.

Board

quantity

inconsistenc

y

Critical The actual

number of power

distribution

detection boards

The

monitoring

board is

faulty.

Check whether the

run indicator of the

monitoring board is

steady on. If no,





51

Alarm Name

Alarm Severity


Solutions

is different from

the configured

number.

A cable

has

become

loose.

replace the

monitoring board

by referring to

5.1.1.5 Replacing

the Monitoring

Board.

Check whether the

CAN cable is

securely connected.

Loading

board ...

Warning The application is

being loaded to

the power

distribution

detection board.

N/A Load again. If the fault

persists, contact

Huawei technical

support.

Failed to

load board

Critical Failed to load the

application to the

power

distribution

detection board.

N/A Load again. If the fault

persists, contact

Huawei technical

support.

Abnormal

board power

supply

Major The voltage of a

power input to

the detection

board is less than

9.5 V.

N/A Replace the

monitoring board by


Replacing the

Monitoring Board.

Main input

open phase

Critical A phase of the

input power has

no voltage or has

a voltage lower

than the threshold

(0–60 V).

The input

power supply

is faulty.

Check the input power.

Main input

outage

Critical The input power

has three open

phases.

The input

power supply

is faulty.


Main input

CT reverse

connect

Major The common

polarity terminal

and common

terminal on a

phase current

transformer of a

mains phase are

reversely

connected.

N/A Switch cables

connected to the

common polarity

terminal and common

terminal. Figure 3-1

uses dual-input as an

example to show the

cable connection for

the common polarity

terminal and common

terminal of the current

transformer for route I

phase L1.





52

Alarm Name

Alarm Severity


Solutions

Main input

breaker

tripping

Critical The mains switch

has tripped.

The back-end

is

short-circuited

or experiences

overcurrent.

Check whether the

back-end current is

short-circuited or

experiences

overcurrent.

Main input

overvoltage

Critical Input

overvoltage:

Input voltage V >

1.2 x Rated

voltage (Multiple:

1.05–1.25;

confirmation

time: 2–10s).

The input

power supply

is faulty.


Main input

undervoltag

e

Critical Input

undervoltage:

Input voltage V <

0.85 x Rated

voltage (Multiple:

0.75–0.95;

confirmation

time: 2–10s).

The input

power supply

is faulty.


Main input

overfrequen

cy

Major The input

frequency is 1.5

Hz higher than

the configured

frequency. The

frequency setting

range is 50–60

Hz.

The input

power supply

is faulty.


Main input

underfreque

ncy

Major The input

frequency is 1.5

Hz lower than the

configured

frequency. The

frequency setting

range is 50–60

Hz.

The input

power supply

is faulty.


Main input

overload

Critical A phase input

current of a route

exceeds 1 time of

the rated current

(multiple: 1–1.2;

confirmation

time: 1–10s).

The system is

overloaded.

Check all output load

power.

Max. main

input cur.

exceed

Warning A phase input

current of a route

exceeds 0.8 time

of the rated

The system is

overloaded.

Check all output load

power.





53

Alarm Name

Alarm Severity


Solutions

current (multiple:

0.8–1).

Min. main

input cur.

exceed

Warning A phase input

current of a route

is lower than 0.6

time of the rated

current (multiple:

0.6–0.8).

N/A N/A

Main input

THD-u high

Warning System voltage

harmonic exceeds

10% (range:

1–30%).

The input

power supply

is faulty.


Main input

THD-i high

Warning System current

harmonic exceeds

10% (range:

0–30%).

The input

power supply

is faulty.


Main input

surge

protection

abnormal

Major Any dry contact

on the SPD

connecting to the

mains input is

disconnected.

A surge

protection

module is

damaged or

the SPD

circuit breaker

has tripped.

Replace the surge

protection module by


Replacing an SPD

Module or switch on

the SPD circuit

breaker.

Main input

breaker off

Warning A mains switch

has changed from

ON to OFF.

N/A N/A

Br. circuit

breaker off

Critical A branch switch

has changed from

ON to OFF.

N/A N/A

Branch

abnormal

Warning A branch switch

is on, but no

current is

detected.

N/A N/A

Branch

overload

Critical The current of a

branch exceeds 1

time of the rated

current (multiple:

1–1.2;

confirmation

time: 1–10s).

The branch is

overloaded.

Check the load power

of the branch.

Max. br. cur.

exceed

Major The current of a

branch exceeds

0.8 time of the

rated current

(multiple: 0.8–1).

The branch is

overloaded.

Check the load power

of the branch.





54

Alarm Name

Alarm Severity


Solutions

Min. br. cur.

exceed

Warning The current of a

branch exceeds

0.6 time of the

rated current

(multiple:

0.6–0.8;

confirmation

time: 1–10s).

N/A N/A

Main input

br. current

shock

Major A surge current

three times

greater than the

rated current is

detected in a

branch (multiple:

1.5–5).

The insulation

of the branch

is abnormal.

Check the cable

insulation of the output

branch.

Three phase

current imb.

Warning The difference

between currents

on phases L1, L2,

and L3 of the

input power or an

output branch

exceeds 15%

(Configurable

range: 5–50%).

The loads

among three

phases are

unbalanced.

Check all output loads

and adjust loads of

phases L1, L2, and L3.

Figure 3-1 Common polarity terminal and common terminal of the transformer

(1) Common polarity terminal (2) Common terminal





55

3.1.2 Integrated UPS Alarm Reference

Alarm ID (Alarm ID-Cause ID)

Alarm Name

Severity

System Action Cause Solution

0001

-1

Mains

voltage

abnorm

al

Minor If there is no

battery, the system

transfers to bypass

mode or shuts

down based on

logic.

Cable

connections

are incorrect.

The mains is

abnormal.

The power

module is

faulty.

1. Check whether

cables to mains

are

disconnected,

loose, or

incorrectly

connected.

2. If cable

connections are

correct, measure

the mains

voltage with a

multimeter. If

the mains

voltage exceeds

280 V, the mains

input is

abnormal; if the

mains voltage is

less than 272 V,

the sampling

circuit of the

power module is

abnormal.

Replace the

faulty module.

0001

-2

Cable

connections

are incorrect.

The mains is

abnormal.

The mains

input fuse for

the power

module is

blown.

1. Check whether

cables to mains

are

disconnected,

loose, or

incorrectly

connected.

2. If cable

connections are

correct, measure

the mains

voltage with a

multimeter. If

the mains





56


Alarm Name

Severity


voltage is less

than 80 V, the

mains voltage is

abnormal; if the

mains voltage

exceeds 88 V,

the power

module

sampling circuit

or fuse may be

abnormal.

Replace the

faulty module.

0001

-3

The mains is

abnormal.

Check the mains

power.

0004

-1

Mains

Ph.

reverse

d


battery, the system

transfers to bypass

mode or shuts

down based on

logic.

Cable connections

are incorrect.

Verify the cable

connections.

0005

-1

Mains

neutral

absent


battery, the system

transfers to bypass

mode or shuts

down based on

logic.

Cable connections

are incorrect.

1. Secure or

connect the

neutral wire to

the cabinet if it

is loose or

disconnected.

2. Check that the

neutral wire to

the power

distribution

system is

normal.

0006

-1

Mains

underv

oltage

Minor If the rectifier is

overloaded due to

rectifier derating,

the system switches

to batteries or D.G.

or shuts down

based on logic.

The mains is

abnormal.

The power

module

sampling

circuit is

abnormal.

Check whether the

mains voltage

ranges from 80 V

(excluding 80 V) to

176 V. If no, the

mains monitoring

circuit for the power

module is faulty.

Replace the faulty





57


Alarm Name

Severity


module.

0010

-1

Abnor

mal

bypass

voltage

Minor 1. The system

cannot transfer

to bypass mode.

2. The system

transfers to a

working mode

based on the

current power

supply status

and logic.

The bypass

voltage range

is not correctly

set.

The bypass

input voltage

is abnormal.

1. Check the

bypass input

voltage or cable

connections with

a multimeter.

2. Check the

voltage system

and bypass

voltage

thresholds

configured on

the LCD.

0010

-2

The bypass

frequency

range is not

correctly set.

The bypass

input

frequency is

abnormal.

1. Check the

bypass input

voltage or cable

connections with

a multimeter.

2. Check the

bypass input

frequency.

Check the rated

frequency and

frequency range

configured on

the LCD.

0011

-1

Bypass

ph.

reverse

d

Minor 1. The system

cannot transfer

to bypass mode.

2. The system

transfers to a

working mode

based on the

current power

supply status

and logic.

The phase

sequence of the

three-phase

bypass input is

reversed.

Check whether the

cable phase

sequence is correct

based on the phase

sequence table. If

no phase sequence

table is available,

exchange the

positions of any two

cables.

0012

-1

Bypass

neutral

absent

Minor 1. The system

cannot transfer

to bypass mode.

2. The system

transfers to a

working mode

The neutral wire

of bypass input is

absent.

1. Secure or

connect the

neutral wire to

the cabinet if it

is loose or

disconnected.





58


Alarm Name

Severity


based on the

current power

supply status

and logic.

2. Check that the

neutral wire to

the power

distribution

system is

normal.

0020

-1

Battery

connec

ted

reverse

ly

Critic

al

None. Batteries are not

properly installed.

1. Check whether

battery polarities

are correctly

installed by

using a

multimeter. If

no, correct the

installation.

2. Check whether

the battery input

voltage of the

UPS is normal.

If yes, the

battery sampling

circuit of the

power module is

faulty. Replace

the power

module.

0021

-1

Battery

EOD

Critic

al

The system delivers

a shutdown

command because

the battery voltage

is low.

The battery

voltage reaches

the EOD voltage

threshold due to

continuous

discharge.

If the BCB-BOX is

configured, check

whether the

BCB-BOX trips. If

it trips, turn on the

BCB-BOX switch.

0022

-1

No

battery

Minor The monitoring

system delivers a

shutdown

command based on

the battery

discharge time.

There is no

battery string.

The battery

string is not

properly

installed.

The power

module

battery fuse is

blown.

1. Check that

battery cables

are correctly

connected.

2. Check that the

battery terminal

voltage is

normal.

3. Check that the

battery fuse in

the power

module is intact.





59


Alarm Name

Severity


0025

-1

Battery

overvol

tage

Minor 1. The current

limit value is

derated when

the battery

voltage exceeds

the overvoltage

alarm threshold.

2. The system

disconnects the

charge loop

when the

battery voltage

is higher than

the overvoltage

protection

threshold

(overvoltage

alarm threshold

+ 0.05 V/cell).

The

configured

number of

batteries is

less than the

actual number.

The battery

neutral wire is

absent.

1. Check whether

battery

parameters are

correctly set.

2. If they are

correctly set,

certain batteries

may be faulty.

3. Check whether

the battery

neutral wire is

correctly

connected.

0026

-1

Low

battery

voltage

Minor The system triggers

dry contact outputs.

Battery

discharge

results in low

battery

voltage.

The battery

neutral wire is

absent.

The charger is

faulty.

1. If the low

battery voltage

alarm is

generated in

battery mode,

check whether

the mains

voltage recovers.

If yes, charge

batteries

immediately.

2. Check whether

the battery

neutral wire is

correctly

connected.

3. If this alarm is

generated in

normal mode,

check whether

the battery

switch is ON. If

yes, the charger

may be faulty.

Replace the





60


Alarm Name

Severity


related power

module.

0530

-1

Battery

ground

fault

Critic

al

The system

generates alarm

information and

causes the BCB to

trip if the BCB is

ON.

The battery

string is not

properly

grounded.

The battery

ground

monitoring

cable is faulty.

The dry

contact board

is faulty.

1. Check whether

the positive and

negative

terminals of the

battery string are

grounded or

have sufficient

resistance to the

ground.

2. Check whether

the battery

grounding

failure detector

is faulty by

replacing it with

a new one.

3. If no battery

grounding

failure detector

is available,

check on the dry

contact board

whether the

battery

grounding

failure detector

is enabled. If

yes, disable it

and check

whether the

alarm is cleared.

If the alarm

persists, the dry

contact board

may be faulty.

Replace the

board.

0032

-1

Battery

overvol

tage

protecti

Critic

al

1. The system

shuts down the

charger.

2. Hardware may

be damaged. In

The battery

voltage is

greater than

the upper

1. Check the

battery voltage.

2. Check that the

configured

number of





61


Alarm Name

Severity


on addition, the

discharger

cannot be

started. If the

mains is

abnormal, the

system will

transfer to

bypass mode or

shut down

based on logic.

threshold.

The

configured

number of

batteries is

less than the

actual number.

The actual

number of

batteries does

not meet

requirements.

batteries

matches the

actual number.

3. Check that the

actual number of

batteries meets

requirements.

0036

-2

Battery

mainte

nance

remind

er

Warni

ng

None. The time for

maintenance

arrives.

Maintain the

batteries.

0037

-1

Battery

underv

oltage

Critic

al

The system exits

from battery mode

and transfers to a

working mode

based on logic.

The UPS

works long in

battery mode.

The charger is

faulty.

1. Check whether

the battery

voltage is

normal.

2. Check whether

the output is

overloaded.

3. Check whether

any battery is

damaged. If yes,

replace the

battery.

4. Check whether

any battery

charger

generates an

alarm. If yes,

replace the

faulty module.

0040

-7

Rectifi

er

abnorm

al

Critic

al

1. The system

shuts down the

module.

2. If only one

module is

working, or the

The fan for the

power module

is abnormal.

The air

channel of the

power module

1. Check that the

air channel for

the module is

free from

blockage.

2. Check whether





62


Alarm Name

Severity


system will be

overloaded after

the module

shuts down, the

system will

transfer to

bypass mode or

shut down

based on logic.

is obstructed. the fan is

abnormal.

Replace the

power module if

the fan is faulty.

0043

-1

Fan

abnorm

al

Critic

al

None. The fan for the

power module

is abnormal.

The fan

monitoring

cable for the

power module

is abnormal.

Replace the faulty

power module.

0043

-2

The fan is faulty. Check the fan or

replace the bypass

unit or module.

0043

-3

The fan is

faulty.

The fan

monitoring

cable is faulty.

1. Replace the fan.

2. Check the fan

monitoring

cable. 0043

-4

0047

-1

Not

ready

Critic

al

None. The ready switch

is OFF.

Turn on the ready

switch.

0060

-4

Inverte

r

abnorm

al

Critic

al

1. If the module

works in

inverter mode,

the module

stops output.

2. If the module

works in

non-inverter

mode, the

module cannot

transfer to

inverter mode.

A load

short-circuit

occurs.

A short circuit

occurs inside

the module.

The fault

seldom occurs.

1. Check load cable

connections.

2. If load cable

distributions are

normal, replace

the power

module.

0061 Inverte Minor 1. The system The bypass 1. If not all





63


Alarm Name

Severity


-7 r alarm shuts down the

module.

2. If only one

module is

working, or the

system will be

overloaded after

the module

shuts down, the

system will

transfer to

bypass mode or

shut down

based on logic.

The system

automatically

starts after the

fault is rectified.

waveform is

abnormal.

modules

generate the

alarm, start the

UPS and transfer

it to normal

mode and

replace the

faulty module.

2. If all modules

generate the

alarm, open the

bypass input

circuit breaker.

After the

inverter relay is

closed, close the

bypass input

circuit breaker

10 seconds later.

0564

-1

Overlo

ad

timeout

Critic

al

1. If the bypass

can supply

power, the

system transfers

to bypass mode.

Five minutes

later, the system

automatically

switches back to

inverter mode.

2. If the bypass

cannot supply

power, the

system transfers

to no output

mode, but not

automatically

switches back to

inverter mode.

The load is

excessive.

Derating

reduces the

rated system

power.

The module is

damaged.

1. Check that there

is no overload.

2. Check that the

module power is

not derated due

to a fan fault.

3. If the alarm

persists, replace

the power

module.

0565

-1

Load

impact

transfer

-to-byp

ass

Minor The system

transfers to bypass

mode and

automatically

switches back to

inverter mode 4

A large-power

RCD load is

instantly

connected, or

the output load

1. Check the load.

2. If the load is

normal, replace

the power

module.





64


Alarm Name

Severity


seconds later. short-circuits.

The inverter

bridge

short-circuits.

0566

-1

Output

overloa

d

Minor If the overload

expires, the system

transfers to bypass

or no output mode.

The load is

excessive.

Derating

reduces the

rated system

power.

The module is

damaged.

1. Check that there

is no overload.

2. Check that the

module power is

not derated due

to a fan fault.

3. If the alarm

persists, replace

the power

module.

0570

-4

BPM

module

abnorm

al

Critic

al

1. The system

cannot transfer

to bypass mode.

2. The system

transfers to a

working mode

based on the

current power

supply status

and logic.

The bypass

fan is

abnormal, or

the air channel

is blocked.

The ambient

temperature

exceeds the

upper

threshold.

The load is

excessive.

1. Check the

bypass fan and

air channel. If

the fan is faulty,

replace it.

2. Check that the

ambient

temperature is

within 40°C.

3. Check that there

is no overload.

0085

-1

EPO Critic

al

The system shuts

down.

The EPO button

is pressed.

Restore the EPO

button status. Start

the UPS after the

alarm is cleared.

0086

-1

Max.

number

of

BPM

transfer

s

Minor The system stays in

bypass mode and

cannot transfer to

inverter mode.

The system

frequently

transfers to

bypass mode due

to overload

timeout or load

impact.

Check the load.

0087

-1

System

transfer

-to-byp

Warni

ng

The system

transfers to bypass

mode.

The neighboring

UPS is abnormal

and transfers to

Check the reason

why the

neighboring UPS





65


Alarm Name

Severity


ass bypass mode. transfers to bypass

mode.

0088

-1

Rack

address

conflict

Critic

al

None. The configured

rack address

conflicts with

another one.

Check the rack

address setting.

0089

-1

Rack

output

overloa

d

Minor This alarm does not

trigger any action.

The load is

excessive.

The rack

capacity

setting is not

appropriate.

1. Check the load.

Remove some

loads or expand

the UPS power

capacity if the

UPS is

overloaded.

2. Check that the

configured rack

capacity meets

requirements.

0090

-1

Dry

contact

board

fault

Critic

al

This alarm does not

trigger any action.

The dry contact

board MUE05A

I2C

communication

fails.

Replace the dry

contact board

MUE05A.

0090

-2

The dry contact

board MUE06A

I2C

communication

fails.

Replace the dry

contact board

MUE06A.

0356 Battery

mode.

Minor None. Battery mode. Running status

displayed. See

details about how to

handle other alarms.

0359 No

power

supplie

d

Warni

ng

None. No power

supplied

Running status

displayed. See



0332 Output

disable

d

Minor None. Output disabled Running status

displayed. See







66


Alarm Name

Severity


0337 PDC

bypass

input

breaker

open

Critic

al

None. The bypass input

circuit breaker on

the PDC is OFF.

Running status

displayed. No

suggested measures.

0338 The

output

circuit

breaker

on the

PDC is

OFF.

Critic

al

None. The output circuit

breaker on the

PDC is OFF.

1. Check that all

UPS output

switches are ON.

2. On the LCD,

check that PDC

output breaker

open alarm has

disappeared. If

the alarm

persists, tap the

Clear Fault

button to clear

the alarm.

0341 The

mainte

nance

circuit

breaker

on the

PDC is

ON.

Minor None. The maintenance

circuit breaker on

the PDC is ON.

Running status

displayed. No

suggested measures.

0342 The

mains

input

circuit

breaker

is OFF.

Critic

al

None. The mains input

circuit breaker is

OFF.

Running status

displayed. No

suggested measures.

0343 BPM

input

breaker

open

Critic

al

None. BPM input

breaker open

Running status

displayed. No

suggested measures.

0340 Maint.

breaker

closed

Minor None. Maint. breaker

closed

Running status

displayed. No

suggested measures.

0345 The Critic None. The battery Running status





67


Alarm Name

Severity


battery

circuit

breaker

is OFF.

al circuit breaker is

OFF.

displayed. See



0335 Genera

tor

connec

ted

Warni

ng

None. Generator

connected

Running status

displayed. No

suggested measures.

0594

-1

Insuffi

cient

redund

ant

racks


trigger any action.

The load is

excessive.

The

configured

number of

redundant

racks is

incorrect.

1. Reduce the load.

2. Decrease the

configured

number of

redundant racks.

0095

-1

Insuffi.

redund

ancy


trigger any action.

The load is

excessive.

The

configured

number of

redundant

modules is

incorrect.

1. Reduce the load.

2. Decrease the

configured

number of

redundant

modules.

0096

-1

ECO

volt.

abnorm

al

Minor 1. The system

cannot transfer

to ECO bypass

mode.

2. If the system

works in ECO

bypass mode, it

transfers to

inverter or

bypass mode or

stops output.

The ECO

bypass voltage

or frequency is

out of the

preset range.

The ECO

bypass voltage

or frequency

range is

incorrectly set.

The bypass

input sequence

is reverse or

the neutral

wire is

disconnected.

1. Check the

bypass input

voltage and

frequency.

2. Check that the

rated voltage,

rated frequency,

ECO bypass

voltage range,

and frequency

range are

correctly set.

3. Check that the

bypass power

cable or circuit

breaker is

connected.





68


Alarm Name

Severity


0098

-1

Bypass

current

not

shared

Minor When the system

works in ECO

bypass mode, it

transfers to inverter

mode or stops

output if bypass

current imbalance

occurs.

The output

and input

circuit

breakers are

OFF.

The length of

the bypass

input or output

cables is

incorrect.

The bypass

SCR

open-circuits.

1. Check that the

output and

bypass input

circuit breakers

on each rack are

ON.

2. Check that

bypass input and

output power

cables on each

rack meet the

length

requirements.

3. Rectify any

bypass SCR

open-circuit.

0150

-1

Inverte

r

asynch

ronous

Minor None. The bypass

frequency

changes fast.

The slew rate

is incorrectly

set.

1. Check that the

bypass input

frequency does

not change fast.

2. Check that the

configured slew

rate is correct.

0101

-1

BSC

signal

abnorm

al

Minor Another system

cannot be used for

power supply.

The dual bus

connector is

loose.

Parameters are

set incorrectly.

1. Check the dual

bus connector.

2. Check the

parameter

settings.

0102

-1

Maint.

breaker

misope

ration

Critic

al

The system

transfers to bypass

mode.

The user

operation is

incorrect.

1. Shut down the

inverter and then

turn on the

maintenance

circuit breaker.

2. After

maintenance,

turn off the

maintenance

circuit breaker

and then start the

inverter.

0380 In

self-ch

Warni None. The inverter is in Wait until the

inverter self-check





69


Alarm Name

Severity


eck ng self-check. is complete.

0148 ATS

fault

Minor None. ATS

communicatio

ns parameters

are modified.

ATS cables

are

disconnected.

The ATS is

faulty.

Restore the ATS

communications

parameters to

default values.

Check the

communications

cable

connections.

Check the ATS.

0103 Input

SPD

alarm

Minor None. The input SPD is

faulty.

Check the input

SPD.

0349 Cabine

t input

breaker

open

Minor None. The mains input

circuit breaker is

OFF.

Turn on the mains

input circuit

breaker.

0193 Mains

three-p

hase

current

imbala

nce

Warni

ng

None. The load power

among three

phases is

unbalanced.

Check the load.

0009 Mains

overloa

d

Minor None. Phase L1, L2, or

L3 is overloaded.

Check phase A

loads.

0196 Branch

overloa

d

Critic

al

None. A branch is

overloaded.

Check the branch

loads.

0197 Mains

overcur

rent

Minor None. Phase L1, L2, or

L3 experienced

overcurrent.

Check phase L1,

L2, or L3 loads.

0198 Branch

Current

High

Minor None. A branch

experienced

overcurrent.

Check the branch

loads.

0199 Mains

underc

Warni

ng

None. Phase L1, L2, or

L3 experienced

Check phase L1,

L2, or L3 loads.





70


Alarm Name

Severity


urrent overcurrent.

0200 Branch

underc

urrent

Warni

ng

None. A branch

experienced

overcurrent.

Check the branch

loads.

0370 Branch

switch

open

Critic

al

None. A branch switch

is OFF.

Check the status of

the branch switch.

0203 Branch

switch

abnorm

al

Warni

ng

None. A branch is not

connected to

loads.

Check the branch

loads.

0211 ATS

non-aut

o mode

Minor None. The ATS

switchover mode

is set to manual

mode.

Set the ATS

switchover mode to

automatic mode.

0212 Main

temper

ature

abnorm

al

Critic

al

None. Overload for a

long time

Unreliable

copper bar

connection

Check that there

is no overload.

Power off the

UPS and check

whether the

copper bar is

reliably

connected.

0213 Branch

temper

ature

abnorm

al

Critic

al

None. Overload for a

long time

Unreliable

copper bar

connection

Fire

Check whether

there is a branch

fire.

Check that there

is no overload.

Power off the

UPS and check

whether the

copper bar is

reliably

connected.

0216 ATS

backup

power

abnorm

Critic

al

None. One ATS power

supply is

abnormal.

Check whether two

ATS power inputs

are normal.





71


Alarm Name

Severity


al

3.1.3 Power Distribution Unit Alarm Reference

Alarm ID Alarm Name Alarm severity

Possible Cause

Solution

0x5001 Communication

failure

Critical Communication

with the PoE

module is

interrupted.

Check the cable

connection to

the power

distribution

unit.

0x5010 First output

overloaded

Major The output of

the first branch

is overloaded or

the power

supply pin of

the first branch

is

short-circuited.

1. Check that

the first

output is not

overloaded.

2. Check that

the power

supply pin

of the first

branch is not

short-circuit

ed.

0x5011 Second output

overloaded

Major The output of

the second

branch is

overloaded or

the power

supply pin of

the second

branch is

short-circuited.

1. Check that

the second

output is not

overloaded.

2. Check that

the power

supply pin

of the

second

branch is not

short-circuit

ed.

0x5012 Third output

overloaded

Major The output of

the third branch

is overloaded or

the power

supply pin of

the third branch

1. Check that

the third

output is not

overloaded.

2. Check that

the power





72


Possible Cause

Solution

is

short-circuited.

supply pin

of the third

branch is not

short-circuit

ed.

0x5013 Fourth output

overloaded

Major The output of

the fourth

branch is

overloaded or

the power

supply pin of

the fourth

branch is

short-circuited.

1. Check that

the fourth

output is not

overloaded.

2. Check that

the power

supply pin

of the fourth

branch is not

short-circuit

ed.

0x5014 Detection board

abnormal

Critical The detection

board hardware

is faulty.

Check that the

monitoring

board works

properly.

0x5024 Branch 1

overloaded

Critical The current of

the first output

branch exceeds

the threshold.

Check the

power of the

load on the

corresponding

branch.

0x5025 Branch 2

overloaded


the second

output branch

exceeds the

threshold.

Check the

power of the

load on the

corresponding

branch.

0x5026 Branch 3

overloaded


the third output

branch exceeds

the threshold.

Check the

power of the

load on the

corresponding

branch.

0x5027 Branch 4

overloaded


the fourth

output branch

exceeds the

threshold.

Check the

power of the

load on the

corresponding

branch.

0x5028 Branch 5

overloaded


the fifth output

branch exceeds

the threshold.

Check the

power of the

load on the

corresponding

branch.

0x5029 Branch 6 Critical The current of

the sixth output

Check the

power of the





73


Possible Cause

Solution

overloaded branch exceeds

the threshold.

load on the

corresponding

branch.

0x502D Branch 1 upper

current

threshold

exceeded

Major The current of

the first output

branch exceeds

the threshold.

Check the

power of the

load on the

corresponding

branch.

0x502E Branch 2 upper

current

threshold

exceeded


the second

output branch

exceeds the

threshold.

Check the

power of the

load on the

corresponding

branch.

0x502F Branch 3 upper

current

threshold

exceeded


the third output

branch exceeds

the threshold.

Check the

power of the

load on the

corresponding

branch.

0x5030 Branch 4 upper

current

threshold

exceeded


the fourth

output branch

exceeds the

threshold.

Check the

power of the

load on the

corresponding

branch.


current

threshold

exceeded


the fifth output

branch exceeds

the threshold.

Check the

power of the

load on the

corresponding

branch.


current

threshold

exceeded


the sixth output

branch exceeds

the threshold.

Check the

power of the

load on the

corresponding

branch.

0x5036 Branch 1 lower

current

threshold not

reached

Message The current of

the first output

branch exceeds

the threshold.

Check the

power of the

load on the

corresponding

branch.


current

threshold not

reached


the second

output branch

exceeds the

threshold.

Check the

power of the

load on the

corresponding

branch.


current

threshold not


the third output

branch exceeds

Check the

power of the

load on the





74


Possible Cause

Solution

reached the threshold. corresponding

branch.


current

threshold not

reached


the fourth

output branch

exceeds the

threshold.

Check the

power of the

load on the

corresponding

branch.

0x503A Branch 5 lower

current

threshold not

reached


the fifth output

branch exceeds

the threshold.

Check the

power of the

load on the

corresponding

branch.

0x503B Branch 6 lower

current

threshold not

reached


the sixth output

branch exceeds

the threshold.

Check the

power of the

load on the

corresponding

branch.

0x503D Large current

shock on

branch 1


the first output

branch exceeds

the threshold.

Check that the

insulation layer

of the cable to

the

corresponding

output branch is

in good contact.

0x503E Large current

shock on

branch 2


the second

output branch

exceeds the

threshold.

Check that the

insulation layer

of the cable to

the

corresponding

output branch is

in good contact.

0x503F Large current

shock on

branch 3


the third output

branch exceeds

the threshold.

Check that the

insulation layer

of the cable to

the

corresponding

output branch is

in good contact.

0x5040 Large current

shock on

branch 4


the fourth

output branch

exceeds the

threshold.

Check that the

insulation layer

of the cable to

the

corresponding

output branch is

in good contact.

0x5041 Large current Major The current of Check that the





75


Possible Cause

Solution

shock on

branch 5

the fifth output

branch exceeds

the threshold.

insulation layer

of the cable to

the

corresponding

output branch is

in good contact.

0x5042 Large current

shock on

branch 6


the sixth output

branch exceeds

the threshold.

Check that the

insulation layer

of the cable to

the

corresponding

output branch is

in good contact.

0x5045 Branch 1 circuit

breaker off

Critical The circuit

breaker on the

first output

branch is OFF.

Check the

circuit breaker

on the

corresponding

branch.


breaker off


breaker on the

second output

branch is OFF.

Check the

circuit breaker

on the

corresponding

branch.


breaker off


breaker on the

third output

branch is OFF.

Check the

circuit breaker

on the

corresponding

branch.


breaker off


breaker on the

fourth output

branch is OFF.

Check the

circuit breaker

on the

corresponding

branch.


breaker off


breaker on the

fifth output

branch is OFF.

Check the

circuit breaker

on the

corresponding

branch.

0x504A Branch 6 circuit

breaker off


breaker on the

sixth output

branch is OFF.

Check the

circuit breaker

on the

corresponding

branch.

0x504B Branch 1 output

abnormal

Message The circuit

breaker on the

first output

Check the

power of the

load on the





76


Possible Cause

Solution

branch is ON

but no current

exists.

corresponding

branch.

0x504C Branch 2 output

abnormal

Message The circuit

breaker on the

second output

branch is ON

but no current

exists.

Check the

power of the

load on the

corresponding

branch.

0x504D Branch 3 output

abnormal

Message The circuit

breaker on the

third output

branch is ON

but no current

exists.

Check the

power of the

load on the

corresponding

branch.

0x504E Branch 4 output

abnormal

Message The circuit

breaker on the

fourth output

branch is ON

but no current

exists.

Check the

power of the

load on the

corresponding

branch.

0x504F Branch 5 output

abnormal

Message The circuit

breaker on the

fifth output

branch is ON

but no current

exists.

Check the

power of the

load on the

corresponding

branch.

0x5050 Branch 6 output

abnormal

Message The circuit

breaker on the

sixth output

branch is ON

but no current

exists.

Check the

power of the

load on the

corresponding

branch.

3.1.4 General Input Unit Alarm Reference

Alarm ID Alarm Name

Alarm severity

Possible Cause

Solution

0x5001 Communicati

on failure

Critical Communicatio

n with the PoE

module is

interrupted.

Check the cable

connection to the

general input unit.

0x5010 POE1 output

overload

Major The output of

the first branch

1. Check that the output

of the first branch is





77

Alarm ID Alarm Name

Alarm severity

Possible Cause

Solution

is overloaded

or the power

supply pin of

the first branch

is

short-circuited.

not overloaded.

2. Check that the power

supply pin of the first

branch is not

short-circuited.

0x5011 POE2 output

overload

Major The output of

the second

branch is

overloaded or

the power

supply pin of

the second

branch is

short-circuited.


of the second branch

is not overloaded.


supply pin of the

second branch is not

short-circuited.

0x5012 POE3 output

overload

Major The output of

the third

branch is

overloaded or

the power

supply pin of

the third

branch is

short-circuited.


of the third branch is

not overloaded.


supply pin of the

third branch is not

short-circuited.

0x5013 POE4 output

overload

Major The output of

the fourth

branch is

overloaded or

the power

supply pin of

the fourth

branch is

short-circuited.


of the fourth branch

is not overloaded.


supply pin of the

fourth branch is not

short-circuited.

0x5014 Detection

board

abnormal

Critical The monitoring

board is faulty.

Check that the

monitoring board works

properly.

0x5015 L1

open-phase

Critical The L1 phase

voltage is

below the

open-phase

threshold.

Check the power input.

0x5016 L2

open-phase

Critical The L2 phase

voltage is

below the

open-phase

threshold.


0x5017 L3 Critical The L3 phase Check the power input.





78

Alarm ID Alarm Name

Alarm severity

Possible Cause

Solution

open-phase voltage is

below the

open-phase

threshold.

0x5018 Input power

failed

Critical Phases L1, L2,

and L3 are all

open.


0x5019 L1

overvoltage

Critical The L1 voltage

exceeds the

overvoltage

threshold.


0x501A L2

overvoltage


exceeds the

overvoltage

threshold.


0x501B L3

overvoltage


exceeds the

overvoltage

threshold.


0x501C L1

undervoltage


is below the

undervoltage

threshold.


0x501D L2

undervoltage


is below the

undervoltage

threshold.


0x501E L3

undervoltage


is below the

undervoltage

threshold.


0x501F Input

frequency

high

Major The frequency

exceeds the

threshold.


0x5020 Input

frequency

low

Major The frequency

is below the

threshold.


0x5021 L1

overloaded

Critical The L1 current

exceeds the

threshold.

Check the power of all

output loads.

0x5022 L2

overloaded


exceeds the

threshold.


output loads.





79

Alarm ID Alarm Name

Alarm severity

Possible Cause

Solution

0x5023 L3

overloaded


exceeds the

threshold.


output loads.

0x502A Upper L1

current

threshold

exceeded

Major The L1 current

exceeds the

threshold.


output loads.

0x502B Upper L2

current

threshold

exceeded


exceeds the

threshold.


output loads.

0x502C Upper L3

current

threshold

exceeded


exceeds the

threshold.


output loads.

0x5033 Lower L1

current

threshold not

reached

Message The L1 current

exceeds the

threshold.


output loads.

0x5034 Lower L2

current

threshold not

reached


exceeds the

threshold.


output loads.

0x5035 Lower L3

current

threshold not

reached


exceeds the

threshold.


output loads.

0x503C Main

three-phase

current

unbalanced

Message The imbalance

among the L1,

L2, and L3

phase current

exceeds the

threshold.


output loads and adjust

the loads until the three

phase currents are

almost the same.

0x5043 Main THDu

high

Message The THDu on

the main circuit

exceeds the

threshold.


0x5044 Main THDi

high

Message The THDi on

the main circuit

exceeds the

threshold.


0x5051 Current

transformer

cable

connected

Major The cable to

the current

transformer on

the input board

Check the cable

connection.





80

Alarm ID Alarm Name

Alarm severity

Possible Cause

Solution

reversely of the

transformer is

reversely

connected.

0x5052 Main circuit

breaker off


breaker on the

main circuit

changes from

ON to OFF.

Check the circuit

breaker on the main

circuit.

3.2 Cooling System Alarm Reference

Table 3-1 describes the NetCol5000-C alarm reference.

Table 3-1 Alarm reference

Alarm ID

Alarm Name

Severity

System Operation

Possible Causes Recovery Measures

a001 Return-

air 1/2

temp

invalid

Major The alarm

is

generated.

1. The cables to the

temperature sensor

are loose or

damaged.

2. The temperature

sensor is faulty.

1. Check the cables

to the temperature

sensor.

2. Maintain or

replace the

temperature

sensor.

a002 Return-

air HT

Critical The alarm

is

generated.

The

indoor fan

has the

maximum

output,

and the

CW valve

has 100%

outputs in

automatic

running

mode.

1. The load is high or

the refrigeration

capacity is

insufficient.

2. The return air temp

is higher than the

return-air HT

alarm threshold

during startup.

3. The ambient temp

is high.

4. The return-air HT

alarm threshold is

inappropriate.

5. The temp

displayed is

different from the

actual temp.

6. CW flow is

1. Add more air

conditioner units.

2. Check other

causes if the alarm

persists after

startup.

3. Check the ambient

temp.

4. Adjust the

return-air HT

alarm threshold.

5. Calibrate or

replace the

abnormal temp

sensors.

6. Check the press

and the temp of

CW.

7. Maintain or





81

Alarm ID

Alarm Name

Severity

System Operation


insufficient, or the

supply water temp

is high if cooling

source is CW.

7. The CW valve is

faulty if cooling

source is CW.

replace the faulty

CW valve.

a003 Return-

air LT

Warnin

g

The alarm

is

generated.

1. The load is low.

2. The ambient temp

is low.

3. The return-air LT

alarm threshold is

inappropriate.

4. The temp

displayed is

different from the

actual temp.

5. The CW valve is

faulty if cooling

source is CW.

1. Please consult

Huawei technical

support.


temp.

3. Adjust the

return-air LT

alarm threshold.

4. Calibrate or

replace the

abnormal temp

sensors.

5. Maintain or

replace the faulty

CW valve.

a018 Indoor

fan

1/2/3/4/

5/6

exceed

runtime

Warnin

g

The alarm

is

generated.

The accumulated

runtime of the fan

exceeds the alarm

threshold.

Maintain or replace

the indoor fan and

clear the accumulated

runtime.

a025 Air

filter

blocked

Warnin

g

The alarm

is

generated.

1. Air filters are

blocked.

2. The differential

press switch is

faulty.

3. The differential

press switch is set

inappropriately.

4. The press tube is

blocked or

cracked, or is

located in an

inappropriate

position.


differential press

switch are loose or

damaged.

1. Maintain or

replace the air

filters.

2. Replace the

differential press

switch.

3. Adjust the

threshold of the

differential press

switch.

4. Maintain or

replace the press

tube.

5. Check the cables

to the differential

press switch.

a026 Air

filter

Warnin The alarm

is

The accumulated

runtime of air filter

Maintain or replace

the air filter and clear





82

Alarm ID

Alarm Name

Severity

System Operation


exceed

runtime

g generated. exceeds the alarm

threshold.

the accumulated

runtime.

a027 Power

loss

Warnin

g

The alarm

is

generated.

The supply power is

cut off.

Check the power

supply cables.

a041 Cond

pump

1/2 fault

Major The alarm

is

generated.


condensate pump

are loose or

damaged.

2. The condensate

pump is faulty.

3. The fuse or relay

of the condensate

pump is faulty.

4. The drainage

capacity of the

condensate pump

decreases, or the

drainpipe is

blocked.

1. Check the cables

to the condensate

pump.

2. Replace the

condensate pump.

3. Replace the fuse

or relay of the

condensate pump.

4. Replace the

condensate pump

or remove dirt

from the

drainpipe.

After the fault is

solved, tap Maint >

Performance Maint

on the main screen to

clear the total run

times of condensate

pumps. If the alarm is

not reported,

troubleshooting is

complete. If it is still

reported, relocate the

alarm cause.

a042 Remote

shutdo

wn

Critical The alarm

is

generated,

and the

NetCol50

00-C

shuts

down.

1. The remote

shutdown dry

contact is

triggered.


remote shutdown

dry contact are

faulty.

1. Check the status

of the remote

shutdown dry

contact.

2. Check the cables

to the remote

shutdown dry

contact.

a043 Floor

water

overflo

w

Critical The alarm

is

generated,

and the

NetCol50

00-C

shuts

down.

1. Water exists on the

floor.

2. The water sensor is

faulty.

1. Check and clear

the water.

2. Maintain or

replace the water

sensor.

a044 Smoke Critical The alarm 1. Smoke is 1. Exhaust smoke





83

Alarm ID

Alarm Name

Severity

System Operation


detector

alarm

is

generated,

and the

NetCol50

00-C

shuts

down.

generated in the

equipment room.

2. The cable

connection to the

smoke detector is

faulty.

3. The smoke

detector is faulty.

from the

equipment room

and reset the

smoke detector.

2. Check the cable

connection of the

smoke detector.

3. Maintain or

replace the smoke

detector.

a045 Teamw

ork

network

ing

failed

Major Triggered

alarm.

Measure:

After a

networkin

g failure

message

is

displayed,

disable

the

involved

device

from the

teamwork

mode.

1. The DIP switch is

set incorrectly for

teamwork.

2. The teamwork

cables are loose or

damaged.

3. Any two air

conditioner units

have the same

address.

4. No air conditioner

unit is configured

as the master unit.

5. The master unit is

powered off.

1. Set the DIP switch

correctly for

teamwork.

2. Check the

teamwork cables.

3. Change the

addresses of the

air conditioner

units.

4. Configure one air

conditioner unit as

the master unit.

5. Power on the

master unit, or

configure another

unit as the master

unit.

a047 No

Cooling

Output

Critical The alarm

is

generated,

and the

NetCol50

00-C

shuts

down.


chilled water (CW)

valve are loose or

damaged.

2. The CW valve is

stuck or faulty.

1. Check the cables

to the CW valve.

2. Maintain or

replace the CW

valve.

a048 Supply-

air HT

Critical The alarm

is

generated.

The

indoor fan

has the

maximum

output,

and the

value has

100%

outputs in

automatic

1. The load is high,

or the refrigeration

capacity is

insufficient.

2. The supply air

temp is higher than

the supply-air HT

alarm threshold

during startup.

3. The ambient temp

is high.

4. The supply-air HT

alarm threshold is

1. Add more air

conditioner units.

2. Check other

causes if the alarm

persists after

startup.


temp.

4. Adjust the

supply-air HT

alarm threshold.

5. Calibrate or

replace the





84

Alarm ID

Alarm Name

Severity

System Operation


running

mode.

inappropriate.

5. The temp

displayed is

different from the

actual temp.

6. CW flow is


supply water temp

is high if cooling

source is CW.

7. The CW valve is

faulty if cooling

source is CW.

abnormal sensors.

6. Check the press

and the temp of

CW.

7. Maintain or

replace the faulty

CW valve.

a049 Supply-

air LT

Warnin

g

The alarm

is

generated.

1. The load is low.

2. The ambient temp

is low.

3. The supply-air LT

alarm threshold is

inappropriate.

4. The temp

displayed is

different from the

actual temp.

5. The air filters are

blocked.

6. The CW valve is

faulty if cooling

source is CW.

1. Please consult

Huawei technical

support.


temp.

3. Adjust the

supply-air LT

alarm threshold.

4. Calibrate or

replace the

abnormal sensors.

5. Maintain or

replace the air

filters.

6. Maintain or

replace the faulty

CW valve.

a050 Cold-ai

sle HT

Critical The alarm

is

generated.

The

indoor fan

has the

maximum

output,

and the

CW value

has 100%

outputs in

automatic

running

mode.

1. The cold-aisle T/H

sensors are located

in inappropriate

position.

2. The ambient temp

is high.

3. The cold-aisle HT

alarm threshold is

inappropriate.

4. The temp

displayed is

different from the

actual temp.


the refrigeration

capacity is

insufficient.

6. CW flow is

1. Adjust the

position of the

cold-aisle T/H

sensors.


temp.

3. Adjust the

cold-aisle HT

alarm threshold.

4. Calibrate or

replace the

abnormal T/H

sensors.

5. Add more air

conditioner units.

6. Check the press

and the temp of

CW.





85

Alarm ID

Alarm Name

Severity

System Operation



supply water temp

is high if cooling

source is CW.

7. The CW valve is

faulty if cooling

source is CW.

7. Maintain or

replace the faulty

CW valve.

a051 Hot-aisl

e HT

Critical The alarm

is

generated.

The

indoor fan

has the

maximum

output,

and the

electroma

gnetic

valve and

actuator

has 100%

outputs in

automatic

running

mode.

1. The hot-aisle T/H

sensors are located

in inappropriate

position.

2. The ambient temp

is high.

3. The hot-aisle HT

alarm threshold is

inappropriate.

4. The temp

displayed is

different from the

actual temp.


the refrigeration

capacity is

insufficient.

6. CW flow is


supply water temp

is high if cooling

source is CW.

7. The CW valve is

faulty if cooling

source is CW.

1. Adjust the

position of the

hot-aisle T/H

sensors.


temp.

3. Adjust the

hot-aisle HT

alarm threshold.

4. Calibrate or

replace the

abnormal T/H

sensors.

5. Add more air

conditioner units.

6. Check the press

and the temp of

CW.

7. Maintain or

replace the faulty

CW valve.

a052 Supply-

air temp

invalid

Major The alarm

is

generated.


temperature sensor

are loose or

damaged.

2. The temperature

sensor is faulty.

1. Check the cables

to the temperature

sensor.

2. Maintain or

replace the

temperature

sensor.

a077 Indoor

fan

1/2/3/4/

5/6 fault

Major The alarm

is

generated.

1. The power supply

to the indoor fan is

abnormal.


indoor fan are

loose or damaged.

3. The indoor fan is

faulty.

1. Check the power

supply to the

indoor fan.

2. Check the cables

to the indoor fan.

3. Maintain or

replace the indoor

fan.





86

Alarm ID

Alarm Name

Severity

System Operation


a078 Full

water

Critical The alarm

is

generated,

and the

NetCol50

00-C

shuts

down.


high float are loose

or damaged.

2. The high float is

faulty or stuck.

3. The condensate

pump is faulty, or

the drainage

capability

decreases if

configured.

4. The drainpipe of

the condensate

pump is blocked if

the condensate

pump is

configured.

5. The internal

drainpipe or the

pipelines is

blocked if no

condensate pump.

1. Check the cables

to the high float.

2. Maintain or

replace the high

float or clear the

obstacles.

3. Maintain or

replace the

condensate pump.

4. Clear the

obstacles in the

drainpipe of the

condensate pump.

5. Clear the internal

drainpipe.

a079 Drain

abnorm

al

Major The alarm

is

generated.


float are loose or

damaged.

2. The float is faulty

or stuck.

3. The condensate

pump is faulty, or

the drainage

capability

decreases if

configured.

4. The drainpipe of

the condensate

pump is blocked if

the condensate

pump is

configured.

5. The internal

drainpipe or the

pipelines is

blocked if no

condensate pump.

6. Air penetrates the

water pump pipe if

condensate pump

is configured.

1. Check the cables

to the float.

2. Maintain or

replace the float or

clear the

obstacles.

3. Maintain or

replace the

condensate pump.

4. Clear the

obstacles in the

drainpipe of the

condensate pump.

5. Clear the internal

drainpipe.

6. Exhaust air in the

water pump pipe.





87

Alarm ID

Alarm Name

Severity

System Operation


a080 CW

value

exceed

runtime

Warnin

g

The alarm

is

generated.

The accumulated

runtime of CW valve

exceeds the alarm

threshold.

Maintain or replace

the CW valve and

clear the accumulated

runtime.

a083 Surge

protecti

on

board

fault

Major The alarm

is

generated.

1. The SPD is faulty.


SPD are loose or

damaged.

3. The port of the

control board is

faulty.

1. Maintain or

replace the SPD.

2. Check the cables

to the SPD.

3. Maintain or

replace the control

board.

a085 Route A

fuse

disconn

ect

Critical The alarm

is

generated,

and the

NetCol50

00-C

shuts

down.

1. A device on loop

A is faulty.

2. The loop A fuse is

loose, aged, or

disconnected.

1. Maintain or

replace the faulty

device on loop A.

2. Maintain or

replace the fuse.

a086 Route B

fuse

disconn

ect

Critical The alarm

is

generated,

and the

NetCol50

00-C

shuts

down.

1. A device on loop B

is faulty.

2. The loop B fuse is

loose, aged, or

disconnected.

1. Maintain or

replace the faulty

device on loop B.

2. Maintain or

replace the fuse.

a087 Route C

fuse

disconn

ect

Critical The alarm

is

generated,

and the

NetCol50

00-C

shuts

down.

1. A device on loop C

is faulty.

2. The loop C fuse is

loose, aged, or

disconnected.

1. Maintain or

replace the faulty

device on loop C.

2. Maintain or

replace the fuse.

a088 Route D

fuse

disconn

ect

Critical The alarm

is

generated,

and the

NetCol50

00-C

shuts

down.

1. A device on loop

D is faulty.

2. The loop D fuse is

loose, aged, or

disconnected.

1. Maintain or

replace the faulty

device on loop D.

2. Maintain or

replace the fuse.

a090 Cond

pump

1/2

Warnin

g

The alarm

is

generated.

The accumulated

runtime of the

condensate pump

Maintain or replace

the condensate pump

and clear the





88

Alarm ID

Alarm Name

Severity

System Operation


exceed

runtime

exceeds the alarm

threshold.

accumulated runtime.

a091 Cold-ai

sle LT

Warnin

g

The alarm

is

generated.

1. The cold-aisle T/H

sensors are located

in inappropriate

position.

2. The load is low.

3. The ambient temp

is low.

4. The cold-aisle LT

alarm threshold is

inappropriate.

5. The temp

displayed is

different from the

actual temp.

6. The CW valve is

faulty if cooling

source is CW.

1. Adjust the

position of the

cold-aisle T/H

sensors.

2. Please consult

Huawei technical

support.


temp.

4. Adjust the

cold-aisle LT

alarm threshold.

5. Calibrate or

replace the

abnormal T/H

sensors.

6. Maintain or

replace the faulty

CW valve.

a092 Hot-aisl

e LT

Warnin

g

The alarm

is

generated.

1. The hot-aisle T/H

sensors are located

in inappropriate

position.

2. The load is low.

3. The ambient temp

is low.

4. The hot-aisle LT

alarm threshold is

inappropriate.

5. The temp

displayed is

different from the

actual temp.

6. The CW valve is

faulty if cooling

source is CW.

1. Adjust the

position of the

hot-aisle T/H

sensors.

2. Please consult

Huawei technical

support.


temp.

4. Adjust the

hot-aisle LT alarm

threshold.

5. Calibrate or

replace the

abnormal T/H

sensor.

6. Maintain or

replace the faulty

CW valve.

a093 High

humidit

y

Warnin

g

The alarm

is

generated.

1. The load is low.

2. The T/H sensors

are located in

inappropriate

position.

3. The ambient

humidity is high.

4. The high humidity

1. Please consult

Huawei technical

support.

2. Adjust the

position of the

T/H sensors.


humidity.





89

Alarm ID

Alarm Name

Severity

System Operation


alarm threshold is

inappropriate.

5. The humidity

displayed is

different from the

actual humidity.

4. Adjust the high

humidity alarm

threshold.

5. Calibrate or

replace the

abnormal T/H

sensors.

a094 Low

humidit

y

Warnin

g

The alarm

is

generated.

1. The T/H sensors

are located in

inappropriate

position.

2. The ambient

humidity is low.

3. The low humidity

alarm threshold is

inappropriate.

4. The humidity

displayed is

different from the

actual humidity.

1. Adjust the

position of the

T/H sensors.


humidity.

3. Adjust the low

humidity alarm

threshold.

4. Calibrate or

replace the

abnormal T/H

sensors.

a096 Supply-

water

temp

invalid

Major The alarm

is

generated.


temperature sensor

are loose or

damaged.

2. The temperature

sensor is faulty.

1. Check the cables

to the temperature

sensor.

2. Maintain or

replace the

temperature

sensor.

a097 Supply-

water

HT

Major The alarm

is

generated.

In

automatic

mode, the

indoor fan

has the

maximum

output and

the chilled

water

valve has

the 100%

output.

1. The temp of CW is

higher than the

supply-water HT

alarm threshold.

2. The supply-water

HT alarm

threshold is

inappropriate.

3. The supply water

temp displayed is

different from the

actual temp.

1. Check the temp of

supplied CW.

2. Adjust the

supply-water HT

alarm threshold.

3. Calibrate or

replace the supply

water temp sensor.

a098 Supply-

water

LT

Warnin

g

The alarm

is

generated.

1. The temp of CW is

lower than the

supply-water LT

alarm threshold.

2. The supply-water

HT alarm

1. Check the temp of

supplied CW.

2. Adjust the

supply-water LT

alarm threshold.

3. Calibrate or





90

Alarm ID

Alarm Name

Severity

System Operation


threshold is

inappropriate.

3. The supply water

temp displayed is

different from the

actual temp.

replace the supply

water temp sensor.

a099 Return-

water

temp

invalid

Major The alarm

is

generated.


temperature sensor

are loose or

damaged.

2. The temperature

sensor is faulty.

1. Check the cables

to the temperature

sensor.

2. Maintain or

replace the

temperature

sensor.

a101 CW

valve

1/2

abnorm

al

feedbac

k

Major The alarm

is

generated.


CW valve are

loose or damaged.

2. The CW valve is

faulty.

1. Adjust the cables

to the CW valve.

2. Maintain or

replace the CW

valve.

a103 Indoor

fan

power

alarm

Major The alarm

is

generated,

and the

indoor fan

output is

less than

85%.

1. The power module

of the indoor fan is

faulty.


power module of

the indoor fan are

loose or damaged.

1. Maintain or

replace the power

module.

2. Check the cables

to the dry contact

of the power

module.

a104 In-cabin

et water

overflo

w

Critical The alarm

is

generated,

and the

NetCol50

00-C

shuts

down.

1. Water exists in the

overflow pan.

2. The cabinet

overflow sensor is

disconnected.

1. Check and clear

the water.

2. Maintain or

replace the cabinet

overflow sensor.

a105 Indoor

fan

failure

Critical The alarm

is

generated.

1. The indoor fan is

faulty.


indoor fan are

loose or damaged.

1. Maintain or

replace the indoor

fan.

2. Check the cables

to the indoor fan.

a106 In-cabin

et water

sensor

fault

Major The alarm

is

generated,

and the

NetCol50

00-C

The cabinet overflow

sensor is faulty.

Maintain or replace

the cabinet overflow

sensor.





91

Alarm ID

Alarm Name

Severity

System Operation


shuts

down.

a108 Cold-ai

sle

1/2/3

temp

invalid

Major The alarm

is

generated.

1. Dirt or water exists

around the T/H

sensor, which

leads to a detection

fault.

2. The T/H sensor is

faulty.

1. Remove dirt or

water from the

T/H sensor.

2. Maintain or

replace the T/H

sensor.

a109 Cold-ai

sle

1/2/3

humid

invalid

Major The alarm

is

generated.


around the T/H

sensor, which


fault.


faulty.

1. Remove dirt or

water from the

T/H sensor.

2. Maintain or

replace the T/H

sensor.

a110 Cold-ai

sle

1/2/3

T/H brd

comm

failed

Major The alarm

is

generated.


T/H sensor are

loose or damaged.

2. The DIP switch of

the T/H sensor is

set incorrectly.


faulty.

4. The

communication

port of the control

board is faulty.

1. Check the cables

to the T/H sensor.


of the T/H sensor.

3. Maintain or

replace the T/H

sensor.

4. Maintain or

replace the control

board.

a111 Hot-aisl

e 1/2/3

temp

invalid

Major The alarm

is

generated.


around the T/H

sensor, which


fault.


faulty.

1. Remove dirt or

water from the

T/H sensor.

2. Maintain or

replace the T/H

sensor.

a112 Hot-aisl

e 1/2/3

humid

invalid

Major The alarm

is

generated.


around the T/H

sensor, which


fault.


faulty.

1. Remove dirt or

water from the

T/H sensor.

2. Maintain or

replace the T/H

sensor.

a113 Hot-aisl

e 1/2/3

T/H brd

comm

failed

Major The alarm

is

generated.


T/H sensor are

loose or damaged.

2. The DIP switch of

the T/H sensor is

1. Check the cables

to the T/H sensor.


of the T/H sensor.

3. Maintain or





92

Alarm ID

Alarm Name

Severity

System Operation


set incorrectly.


faulty.

4. The

communication

port of the control

board is faulty.

replace the T/H

sensor.

4. Maintain or

replace the control

board.

Figure 3-2 Fuse location

3.3 Alarm Reference for the Intelligent Battery Monitoring System

For details, see iBAT 2.0-CIM01C2 User Manual.


Maintenance Guide (ECC800) 4 Troubleshooting



93

4 Troubleshooting

4.1 Troubleshooting the Power Supply and Distribution System

4.1.1 Precision PDC Troubleshooting

Symptom Possible Cause Solution

The LCD fails to

display branch

currents.

The monitoring board communications

cable or the secondary cable to the

corresponding branch current

transformer is not properly connected.

The current detection module or current

transformer is faulty.

1. Replace the

monitoring board by


Replacing the

Monitoring Board.

2. Contact Huawei

technical support.

The LCD fails to

display the circuit

breaker status.

The communications cable of the

Boolean value collection module or the

corresponding branch Boolean value

signal cable is not properly connected.

The Boolean value collection module or

auxiliary switch contact is faulty.

1. Replace the

monitoring board by


Replacing the

Monitoring Board.

2. Contact Huawei

technical support.

The LCD is black

or blinks.

The input N wire is disconnected.

The LCD is faulty.

Secure the input N

wire.

Replace the LCD by


Replacing an MDU.

The indicators of

the monitoring

board module do

not light up.

Cables are not properly connected.

The monitoring board is faulty.

1. Replace the

monitoring board by


Replacing the

Monitoring Board.

2. Contact Huawei

technical support.





94

4.1.2 Integrated UPS Troubleshooting

To restore battery discharge after batteries reach EOD, use one of the following methods:

Switch to another battery string. Ensure that each battery has a voltage greater than the

EOD voltage and 11.3 V.

Restore the mains power supply to start the inverter. Turn on the battery switch and charge

batteries until each battery has a voltage greater than the EOD voltage and 11.3 V.

For details about how to rectify common faults, see Table 4-1. If any faults that cannot be

located or solved are met, or any other unmentioned faults occur, see 3.1.2 Integrated UPS

Alarm Reference and contact Huawei technical support.

For details about how to rectify ATS faults, see the delivered manual.

Table 4-1 Troubleshooting

Symptom Possible Cause Measure

The rectifier cannot work,

and the bus voltage is not

boosted.

The mains voltage exceeds

the upper threshold 280 V or

is less than the lower

threshold 80 V.

Check whether the mains

voltage exceeds the

threshold. If yes, contact the

electric power company.

PFC soft-startup fails. Replace the power module.

The power module is faulty. Replace the power module.

The buzzer buzzes, the Fault

indicator is on, the inverter

is faulty, and the UPS

transfers to bypass mode.

The UPS is overloaded or

short-circuited.

Reduce load or rectify short

circuits.

Inverter overtemperature

occurs.

Install more air conditioners

or ventilation devices to

ensure normal temperatures

inside the equipment room.

The power module is faulty. Replace the power module.

The buzzer buzzes, the Fault

indicator is on, and the

charging function fails.

The charger fails. Replace the power module.

The charger experiences

overcurrent.

Replace the power module.

The charger experiences

undervoltage.

Check whether the

configured number of

batteries is correct. If the

value is correct but the

alarm persists, replace the

power module.

When the mains is normal,

the UPS works in bypass

Set the UPS working mode

to ECO mode.

Set the working mode

correctly.





95

Symptom Possible Cause Measure

mode and does not transfer

to inverter mode. The bypass transfer times

reach the upper threshold.

Clear the bypass transfer

times on the LCD.

The buzzer buzzes, and the

Fault indicator is on.

The bypass thyristor is

damaged.

Replace the bypass module.

The bypass module

experiences

overtemperature.

Reduce load or improve

ventilation.

After being powered on, the

ATS automatically switches

from ON to OFF or

switches between ON and

OFF repeatedly.

The input three-phase

sequence is incorrect.

Power off the ATS and

check the phase sequence.

4.2 Troubleshooting the Cooling System Table 4-2 describes the common faults of the NetCol5000-C and handling methods.

Table 4-2 Common faults of the NetCol5000-C and handling methods

Symptom Possible Causes Troubleshooting

The fan does not

rotate after the

NetCol5000-C

starts.

1. The power supply

module of the fan is

faulty or abnormal

(including the fuse of the

power supply module is

blown.)

2. The fan fuse is blown.

3. Cables to the fan are

faulty.

1. Ensure that the power supply

module of the fan is inserted to the

subrack. If the fault persists,

replace the power supply module

(or replace the fuse).

2. Replace the fan fuse.

3. Check whether the cables to the

fan short-circuit or are

disconnected.

The fan generates

loud noises.

1. The air filter is blocked.

2. Dirt exists at the fan air

exhaust vent.

3. The fan is not securely

installed.

4. The fan is faulty.

1. Clean the air filter.

2. Clear the fan air exhaust vent.

3. Fasten the fan screws.

4. Replace the fan. For details, see

5.2.5 Replacing a Fan.

Drainage capacity

of the

NetCol5000-C

decreases.

1. The drainpipe is bent by

a large angle or trap

exists.

2. The drainage system is

faulty. (The water pump,

floats, or drainpipes are

faulty.)

Check that self-drainpipes are not bent

by a large angle and traps do not exist.

Ensure that the height difference for

drainage is enough.

Check the water drainage system:

1. Check that the floats are working

properly.

2. Check whether fuses on circuits C





96


and D are blown. If yes, replace

the fuses.

3. Check whether the relay works

properly. If not, replace the relay.

4. Check whether the water pump

works properly. If not, replace the

water pump.

5. Check that the pipes are not bent

by a large angle.

The NetCol5000-C

leaks.

1. The thermal insulation

tube of the

NetCol5000-C is

damaged.

2. The condensate

drainpipe is blocked.

3. The pipes leak.

1. Check whether thermal insulation

tube of the NetCol5000-C is

securely installed and repair the

damaged thermal insulation foam.

2. Ensure that the drainpipes are not

bent by a large angle, the drainpipe

connectors are securely installed,

the condensate pump is not faulty,

and the floats are not faulty.

3. Check the pipes and weld the pipe

or fasten related bolts if the pipes

leak.

A NetCol5000-C

is abnormal.

1. The jumper cap of the

chilled water valve is not

connected to the right

position.

2. The valve plug of the

chilled water valve is

reversely installed.

3. The chilled water valve

is stuck.

4. The humidity detected

by the humidity and

temperature sensor is

larger than the actual

humidity, which results

in anti-condensation

protection being

triggered frequently for

the NetCol5000-C.

5. The temperature and

humidity set points are

improper.

6. Alarms, such as full

water, in-cabinet

overflow, smoke

detector, and no

refrigerant output are

generated.

1. Check the "W1" jumper of the

chilled water valve controller.

Ensure that the jumper cap is on

the right two pins.

2. Check that the chilled water valve

plug is correctly installed.

3. Replace the chilled water valve

5.2.12 Replacing a Water Valve

Actuator and Chilled Water Valve.

4. Check whether the ambient

temperature of the humidity and

temperature sensor is too high.

Ensure that the humidity and

temperature sensor is located at a

proper position. If the position is

proper but the fault persists,

replace the humidity and

temperature sensor.

5. Adjust the temperature and

humidity set points.

6. Check the alarm causes and clear

the alarm manually.

The humidity and

temperature sensor

1. Parameter settings on

the controller are

1. Check that the humidity and

temperature sensor is enabled on





97


cannot detect the

humidity and

temperature.

incorrect.

2. DIP switches of the

humidity and

temperature sensor are

incorrectly set.

3. The humidity and

temperature sensor is

faulty.

the controller.

2. Check that DIP switches of the

humidity and temperature sensor

map the corresponding aisle.

3. If the fault persists after the

preceding operations, replace the

humidity and temperature sensor.

The air return

temperature is high

or the fan

rotational speed is

fast. (The

temperature

fluctuation exceeds

± 1°C.)

Proportional, Integral and

Derivative (PID) control

related parameters are not

set properly.

Decrease the Kp value by 0.01 and do

not set Kp to a much smaller value.

Ensure that temperature fluctuation is

less than ± 1°C.

Condensate water

exists on the

surfaces of the

front or rear

panels.

1. The operating

environment of the

NetCol5000-C is

excessively humid.

2. The temperature set

point is set to a much

smaller value.

1. Enhance the airtightness of the

equipment room.

2. Adjust the temperature and

humidity set points.

4.3 ECC800 Troubleshooting

Table 4-3 Common faults and troubleshooting for PSUs

No. Symptom Possible Cause Measure

1 The Power indicator

(green) is off.

There is no AC input. Check whether the AC

input is abnormal.

Module fault Replace the PSU.

2 The Alarm indicator

(yellow) is steady on.

Overtemperature

protection

The ambient

temperature exceeds

the upper threshold.

Increase the cooling

capacity of the air

conditioner.

The air channel is

blocked. Unblock it.

AC input overvoltage or

undervoltage protection

Check whether the AC

input is abnormal.

3 The Alarm indicator PSU communication 1. Clean the connector





98


(yellow) is blinking. failure in the rear of the

faulty PSU.


replace the ECC800

subrack.

Monitoring module

communication failure

4 The Alarm indicator

(red) is steady on.

Output overvoltage

protection

If a single PSU is

locked out,

disconnect the AC

input from the PSU,

and then power on

the PSU again after

the indicator turns

off. If the fault

persists, replace the

PSU.

If multiple PSUs are

locked out, remove

all PSUs and

reinstall them one by

one to locate the

faulty ones. Then

replace faulty PSUs.

No output due to a PSU

fault

Replace the faulty PSU.

Table 4-4 Common faults and troubleshooting for the monitoring module


1 The Run indicator (green)

is off.

There is no AC input. If the green indicators on

PSUs are steady on, the

power input to the system

is normal. Otherwise,

rectify power grid faults.

The monitoring module is

faulty or not securely

installed.

Reinstall the monitoring

module. If the fault

persists, replace the

monitoring module.

2 The Run indicator (green)

is blinking at 4 Hz.

The monitoring module

does not register with the

NetEco.

Register the monitoring

module with the NetEco.

3 RJ45 power output

indicators turn off

(involved ports:

AI/DI1–AI/DI6,

COM1–COM4, and

DO1–DO2).

The corresponding power

ports have no output.

Energize corresponding

power ports over the

WebUI or network

management system.

The corresponding power Check whether the

connected load is





99


ports are short-circuited. short-circuited. If yes,

eliminate the short circuit.

4 The ALM indicator (red)

is steady on.

Faults and alarms are

generated.

View active alarms on the

WebUI and clear them

one by one.


Maintenance Guide (ECC800) 5 Parts Replacement



100

5 Parts Replacement

5.1 Replacing Power Supply and Distribution System Components

5.1.1 Parts Replacement for the Precision PDC

This document describes only the replacement method for certain components. If a faulty

component to be replaced is not covered in this document, contact Huawei technical support.

5.1.1.1 Replacing an SPD Module

Prerequisites

Do not replace an SPD module during a thunderstorm.

Tools: electrical tester pen, key to the PDC cabinet door, Phillips screwdriver, flat-head

screwdriver

Materials: new SPD module

Procedure

Step 1 Remove the protective panel of the SPD.

Avoid touching any charged body when removing the panel.





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Figure 5-1 Remove the protective panel

Step 2 Switch off the SPD circuit breaker.

Step 3 Detect the L1, L2, L3, and N voltages to the PE using an electrical tester pen, and verify that

the faulty SPD has no voltage before replacing the faulty SPD. Figure 5-2 shows how to

detect the voltages.

Figure 5-2 Detecting the voltages

Step 4 Hold the faulty SPD and pull it out.





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Figure 5-3 Replacing an SPD Module

If there is a faulty surge protection module, it is recommended that all surge protection modules be

replaced.

If the SPD module cannot be pulled out, use a tool such as a flat-head screwdriver to lever it out.

Step 5 Install a new SPD module.

Step 6 Switch on the SPD circuit breaker.

Step 7 Reinstall the protective panel.

----End

5.1.1.2 Replacing an Indicator

Prerequisites Tools required: an electrical tester pen, Phillips screwdriver, key to the PDC cabinet door,

multimeter, step ladder, and a pair of insulating gloves

Material required: a spare functional indicator with the same model

Procedure

Step 1 Open the PDC rear door, push out the fuse terminal block, and remove the fuse of the

indicator to open the circuit. For details about the fuse position and how to remove it, see

5.1.1.4 Replacing a Fuse.

Step 2 Open the PDC front door, and open the indicator protection panel.





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Figure 5-4 Opening the indicator protection panel

Step 3 Loosen the screw at the back of the indicator using a Phillips screwdriver, and remove the

cables, as shown in Figure 5-5.

When removing cables, label the cables with corresponding terminal ports for later connection.

Figure 5-5 Replacing an Indicator

Step 4 Remove the retaining ring from the indicator and remove the indicator from the mounting

hole.

Step 5 Put a new indicator into the mounting hole, secure the retaining ring, and connect the cables.

Step 6 Reinstall the fuse to reconnect the circuit.

Step 7 Verify that the indicator lights up properly.






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Step 9 Install the fuse terminal block to its original position.

----End

5.1.1.3 Replacing an MCB

Prerequisites

Before replacement, ensure that the input and output switches are OFF, and that the upstream

and downstream switches are also OFF.

Tools required: a Phillips screwdriver, flat-head screwdriver, and key to the PDC cabinet

door.

Materials: MCB of the appropriate model

Procedure

Step 1 Open the front door of the PDC, turn off the input and output switches in the PDC, and turn

off the upstream and downstream switches.

Step 2 Remove the screws from the PDC panel, set the screws aside, and remove the panel.





105

Figure 5-6 Removing the panel

Step 3 Remove cables connected to the left and right sides of the MCB, as shown in Figure 5-7.






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Figure 5-7 Removing cables

Step 4 Push the black clip of the MCB outwards using a flat-head screwdriver. Then remove the

MCB along the inner side of the PDC, as shown in Figure 5-8.

Mark the MCB to ensure correct reinstallation.

Figure 5-8 Pushing the black clip





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Figure 5-9 Removing the MCB

Step 5 Install a new MCB.

Step 6 Connect cables. The recommended cable hole for the MCB is shown by (1) in Figure 5-10.

Figure 5-10 Mounting holes

(1) mounting holes

Step 7 Reinstall the panel on the PDC.

----End





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5.1.1.4 Replacing a Fuse

Prerequisites

When replacing a fuse, you must wear insulated gloves, and must not touch the input copper

bar.

Tools required: insulated gloves, key to the PDC door

The new fuse is intact and has the same model as the old fuse.

Context

Fuses are located at the rear of the PDC, as shown in Figure 5-11 which uses dual-input as an

example.

Figure 5-11 Fuse location

The figures are for reference only. The actual product appearance prevails.

Table 5-1 and Table 5-2 respectively describe the fuses for the single- and dual-input

scenarios.

Table 5-1 Fuse description for the single-input scenario

Fuse Specifications

FU1 Fuse of the yellow indicator

FU2 Fuse of the green indicator

FU3 Fuse of the red indicator





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Fuse Specifications

FU4 Fuse of phase L1 of power board 1



FU7 Fuse of phase L3 of monitoring board 1









Table 5-2 Fuse description for the dual-input scenario

Fuse Specifications

1FU1/2FU1 Fuse of the yellow indicator of I or II route

1FU2/2FU2 Fuse of the green indicator of I or II route

1FU3/2FU3 Fuse of the red indicator of I or II route

1FU4/2FU4 Fuse of phase L1 of power board 1 or 4



1FU7/2FU7 Fuse of phase L3 of monitoring board 1 or fuse of phase L1 of

monitoring board 4


monitoring board 4


monitoring board 4


monitoring board 5


monitoring board 5


monitoring board 5





110

Fuse Specifications


monitoring board 6


monitoring board 6


monitoring board 6

The preceding tables use single- and dual-input scenarios as examples. The actual cabinet configurations prevail.

Procedure

Step 1 Open the cover of the fuse terminal.

Figure 5-12 Opening the cover of the fuse terminal

(1) Cover

Step 2 Remove the blown fuse and install a new one.

Step 3 Press the cover of the fuse terminal.

----End

5.1.1.5 Replacing the Monitoring Board

Context Tool: Phillips screwdriver

Materials: new monitoring board

Document: none





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Procedure

Step 1 Loosen the two bolts on the monitoring module, as shown by (1) in Figure 5-13.

Step 2 Open the two crowbars on the monitoring module, as shown by (2) in Figure 5-13.

Step 3 Gently pull out the monitoring board, as shown by (3) in Figure 5-13.

Figure 5-13 Replacing the monitoring board

Step 4 Install a new monitoring module.

Step 5 Close the two crowbars and tighten the two bolts on the monitoring module in turn.

----End





112

5.1.1.6 Replacing an MDU

Prerequisites Tools required: a Phillips screwdriver and key to the PDC cabinet door

Materials required: a new intact MDU

The MDU can be replaced online without disconnecting the power supply.

Procedure

Step 1 Disconnect the CAN and RS485_1 (or FE) communications cables from the MDU, as shown

in Figure 5-14.


Step 2 Remove the four screws from the MDU and set them aside.

Figure 5-14 Replacing an MDU

Step 3 Hold the MDU front panel by one hand, and push out the MDU from the fastener on the front

panel by the other hand.

Step 4 Align the new MDU with the mounting holes, snap the bottom of the new MDU into the

fastener on the front panel until you hear a slight click sound, and push the top of the MDU in

place.

Step 5 Secure the new MDU to the front panel using the screws you removed.

Step 6 Connect the CAN and RS485_1 communications cable to the MDU.

Step 7 After the MDU is replaced, the new MDU automatically checks whether its configurations are

consistent with the rack configuration during startup. If an inconsistency is found, the MDU

displays a synchronization dialog box, as shown in Figure 5-15.





113

1. Click OK to synchronize the configurations. The MDU restarts.

2. If you click Cancel (not recommended), the configurations will not be synchronized, and

the MDU displays the same dialog box after the next startup.

Figure 5-15 Synchronization dialog box

----End

5.1.2 Replacing Integrated UPS Components

5.1.2.1 Replacing a Fuse

Prerequisites A fuse needs to be replaced.

Spare fuses of the same model are available and functional.

Context

The fuse is located in the right door panel at the rear of the cabinet.

The following tables describe fuses.

Table 5-3 Fuses for models with ATS input

Fuse No. Description

FU1 Fuse of indicator I

FU2 Fuse of indicator II

FU3/4/5 Main route input L1/L2/L3 fuses (AC INPUT VOLT

SAMPLE)

FU6/7/8 UPS output U/V/W fuses (IT INPUT VOLT SAMPLE)

FU9/10 Reserved





114

Table 5-4 Fuses for models with MCCB input

Fuse No. Description

FU1 Fuse of L1 indicator for route I


FU3/4/5 Main route input L1/L2/L3 fuses (AC INPUT VOLT

SAMPLE)

FU6/7/8 UPS output U/V/W fuses (IT INPUT VOLT SAMPLE)


FU10 Reserved

Figure 5-16 Fuse

(1) Cover (2) Fuse

Procedure

Step 1 Remove the protective panel, as shown in Figure 5-17.





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Figure 5-17 Removing the protective panel

Step 2 Locate the fuse terminal in the UPS according to the diagram, as shown in Figure 5-18.

Figure 5-18 Fuse terminal positions

(1) Fuse terminal

Step 3 Open the cover and remove the fuse, as shown in Figure 5-16.

Step 4 Install a new fuse, press the cover of the fuse terminal.


----End





116

5.1.2.2 Replacing an Indicator

Prerequisites The indicator is faulty.

Spare indicators of the same model are available and functional.

Tools and Materials Phillips screwdriver

Key to the UPS

Protective gloves

Multimeter

Step ladder

Spare indicator

Procedure

Step 1 Remove the indicator fuse from the fuse terminal block at the rear of the cabinet to disconnect

the circuit. For the MCCB input, the fuse is connected to #1 fuse base. For the ATS input, the

fuses are connected to #1 and #2 fuse bases.

Step 2 Remove the protective panel, as shown in Figure 5-19.

A cabinet with ATS input is used as an example.

Figure 5-19 Removing the protective panel

Step 3 Remove the indicator fastener using a Phillips screwdriver, as shown in Figure 5-20.





117

Figure 5-20 Removing the indicator fastener

Step 4 Replace the indicator if no voltage is detected by using a multimeter.

Step 5 Loosen the screw at the rear of the indicator using a Phillips screwdriver, and remove the

conducting wire, as shown in Figure 5-21.

When removing cables, clearly label the cables with its corresponding terminal ports to prevent incorrect connections.

Figure 5-21 Replacing an Indicator

Step 6 Remove the retaining ring from the indicator, and remove the indicator from the mounting

hole.

Step 7 Put a new indicator in the mounting hole, secure the retaining ring, and connect the

conducting wire.

Step 8 Install the new indicator in the fastener and reinstall the fastener in the cabinet.

Step 9 Reinstall the fuse so that the circuit is in closed state.

Step 10 Check that the new indicator works properly.





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----End

5.1.3 Parts Replacement for the New Main Way

5.1.3.1 Replacing the Power Distribution Unit

Prerequisites Tools: protective gloves, Phillips screwdriver, step ladder

Materials: spare and functional power distribution unit of the same model

Before replacement, turn off all switches of the faulty power distribution unit, and turn off

downstream switches along the new main way.

Procedure

Step 1 Check whether the faulty power distribution unit is connected to a single load. If so, back it up

before shutting it down.

Step 2 Turn off all switches of the faulty power distribution unit and the downstream switches.

Step 3 Pull out the smart gateway cascading cables and PoE cables from the rear of the faulty power

distribution unit.

Step 4 Remove M3 screws and disconnect the load cables from the faulty power distribution unit.





119

Figure 5-22 Removing load cables

Step 5 Loosen the hooks on both sides of the faulty power distribution unit, and pull up the faulty

power distribution unit by holding its two handles to remove it.

Figure 5-23 Taking out the faulty power distribution unit

Step 6 Install the new power distribution unit.

In the capacity expansion scenario, remove dust from the ports for the busbar trunking unit before installing the new power distribution unit.





120

Step 7 Reconnect the removed load cables to the power distribution unit, and tighten the screws on

the connector.

Step 8 Reconnect the removed smart gateway cascading cables and PoE cables to the corresponding

ports.

Step 9 Turn on the power distribution units and downstream switches corresponding to the load.

----End

5.1.3.2 Replacing the Busbar Trunking Unit

Prerequisites Tools: protective gloves, Phillips screwdriver, socket wrench, step ladder

Materials: spare and functional busbar trunking unit and two connective kits of the same

model

Before replacement, turn off the switch of the general input unit, and turn off all switches of

power distribution units along the new main way.

Procedure

Step 1 Turn off all switches of power distribution units along the new main way and the downstream

switches.

Step 2 Turn off the switch of the general input unit.

Step 3 Remove the power distribution unit of the busbar trunking unit by referring to 5.1.3.1

Replacing the Power Distribution Unit, and go to the next step when there is no power

distribution unit on the busbar trunking unit.

Step 4 Remove the connective kit on both sides of the faulty busbar trunking unit.





121

Figure 5-24 Removing the connective kit

Step 5 Remove M6 screws connecting the busbar trunking unit and support using a 10# socket

wrench.





122

Figure 5-25 Removing the busbar trunking unit

Step 6 Take out the faulty busbar trunking unit, and place the spare one on the support.

Before installing the busbar trunking unit, determine the installation direction based on the position of the upstream phase cable, align the copper bars, and avoid reverse installation.

Step 7 Secure the busbar trunking unit to the support using M6 screws by referring to Figure 5-25.

Step 8 Fasten the spare connective kits to both sides of the new busbar trunking unit and ensure that

they are in good touch with the copper bars of the busbar trunking unit. Twist off the external

nuts of the dual-nut bolts of the connective kits using a 13# socket wrench. Install the

protective cover and bottom plate of the connective kit by referring to Figure 5-24.

Place the connective kits according to the labels on them.

Step 9 Install the power distribution unit by referring to 5.1.3.1 Replacing the Power Distribution

Unit.

Step 10 Turn on the general input unit switch.


----End

5.1.3.3 Replacing the General Input Unit

Prerequisites Tools: electroprobe, insulation gloves, Phillips screwdriver, wrench, step ladder

Materials: spare and functional general input unit and connective kit of the same model





123

Before replacement, turn off the upstream switch along the corresponding new main way, and

turn off all downstream switches of the power distribution units.

Procedure

Step 1 Disconnect the power distribution unit and downstream switches along the new main way of

the faulty general input unit.

Step 2 Turn off the switch of the general input unit.

Step 3 Open the upstream PDC of the new main way, and turn off the output switch in the PDC.

Step 4 Remove the power distribution units on the busbar trunking unit of the general input unit by

referring to 5.1.3.1 Replacing the Power Distribution Unit.

Step 5 Remove the general input unit panel.

Figure 5-26 Removing the general input unit panel

Step 6 Open the general input unit shell, test the copper busbar inside the general input unit using an

electroprobe, and go to the next step if the busbar is not energized.





124

Figure 5-27 Testing the busbar energized or not

Step 7 Remove the cables inside the general input unit using a 13# socket wrench and a 6# hex key.

While removing cables, clearly label the cables with its corresponding terminal ports for later connection.





125

Figure 5-28 Removing cables

Step 8 Remove the connective kit between the faulty general input unit and downstream busbar

trunking unit by referring to Figure 5-24 in 5.1.3.2 Replacing the Busbar Trunking Unit.

Step 9 Remove M6 screws connecting the busbar trunking unit and support using a 10# socket

wrench by referring to Figure 5-25 in 5.1.3.2 Replacing the Busbar Trunking Unit.

Step 10 Take out the faulty general input unit and replace it with the spare one.

Step 11 Secure the busbar trunking part of the general input unit to the base support using M6 screws.

Step 12 Secure the connective kit between the general input unit and downstream busbar trunking unit

by referring to Step 8 in 5.1.3.2 Replacing the Busbar Trunking Unit.

Step 13 Connect the input cables to the general input unit according to the terminal labels in Step 7.

Step 14 Reinstall the power distribution unit by referring to 5.1.3.1 Replacing the Power Distribution

Unit.

Step 15 Turn on the upstream switch along the new main way.

Step 16 Turn on the switch of the general input unit.


----End





126

5.2 Replacing Cooling System Components

5.2.1 Replacement Requirements

Before removing or installing the power cable, turn off the power switch.

Before connecting a power cable, check that the label on the power cable is correct.

During the installation of AC power supply facilities, follow the local safety regulations.

When operating the high-voltage and AC-powered facilities, use dedicated tools.

Ensure that a spare component is the same model as the faulty one is prepared before

replacing the faulty component.

Do not install or remove power cables when the device is on. Transient contact between

the core of the power cable and the conductor may generate electric arcs or sparks, which

may cause fire or hurt eyes.

Before removing cables from a faulty component, mark the cables with their

corresponding ports numbers for later connection (confirm by referring to the electrical

conceptual diagram).

Ensure that the cables are connected to the spare component properly.

5.2.2 Replacing Components in the Electric Control Box

Prerequisites A component in the electric control box needs to be replaced.

A spare and functional component is available.

Context

Recommended tool: Phillips screwdriver (M6)

Preparations: The rear door is removed, and the device is powered off.

Figure 5-29, Figure 5-30 and Figure 5-31 show the components in the electric control box.





127

Figure 5-29 Components inside the NetCol5000-C030H6 electric control box

(1) A1 main control board (2) Terminal fastener (3) KM1 dual-route switch

contactor

(4) Terminal fastener (5) X4.1 wiring terminal (6) X4.2 wiring terminal

(7) X5.1 wiring terminal (8) X5.2 wiring terminal (9) X6.1 wiring terminal

(10) X 6.2 wiring terminal (11) FU1 transformer input

fuse

(12) FU2 transformer output

fuse

(13) FU4 water pump fuse (14) KM2 M11 water pump

relay 1

(15) KM3 M12 water pump

relay 2

(16) Terminal fastener (17) PSU (18) Jumper cap J11

(19) A2 power supply

backplane

(20) DIP switch SW1 (21) TC transformer

(22) M1 ground screw (23) EL electronic label





128

Figure 5-30 Components inside the NetCol5000-C030H7B2010020E1 and

NetCol5000-C030H7A2010020E1 electric control box

(1) A1 main control board (2) PSU (3) TC transformer

(4) KM1 dual-route switch

contactor


relay 1


relay 2

(7) FU1 transformer input

fuse


fuse

(9) FU3 water pump fuse

(10) A2 power backplane (11) M1 ground screw (12) EL electronic label





129

Figure 5-31 Components inside the NetCol5000-C030H7B201E120E0 and

NetCol5000-C030H7A201E120E0 electric control box

(1) A1 main control board (2) CPY humidifier

controller

(3) TC transformer

(4) M5 ground screw (5) TA current transformer (6) KM3 humidifier

contactor

(7) KM2 electric heater

contactor

(8) QF6 electric heater

circuit breaker

(9) QF7 humidifier circuit

breaker

(10) KM1 dual-route switch

contactor

(11) K2 humidifier controller

relay

(12) FU1 transformer

input fuse


fuse

(14) FU3 humidifier

controller fuse

(15) A2 power backplane

(16) M1 ground screw (17) EL electronic label

Procedure

Step 1 Unlock the rear door and open the door rightwards.

Step 2 Open the air filter clip and remove the filter, as shown by (1) and (2) in Figure 5-32.





130

Figure 5-32 Removing the electric control box

Step 3 Remove all cables from the side panel of the electric control box, as shown by (3) in Figure

5-32.

Step 4 Remove the four screws that secure the electric control box to the support, as shown by (4) in

Figure 5-29.

Step 5 Pull the handle on the side panel of the electric control box to remove the box, as shown by (5)

in Figure 5-29. Place it horizontal on the floor. Exercise caution because the electric control

box is heavy.

Step 6 Remove the three screws from the cover of the electric control box, as shown by (6) in Figure

5-29.





131

Step 7 Pull the handle on the cover to remove the cover, as shown by (7) in Figure 5-29.

Step 8 Replace the faulty component in the electric control box.

Step 9 Install the electric control box by following steps from Step 1 to Step 7 in the reverse order.

Step 10 Close and lock the rear door.

----End

5.2.3 Replacing an Air Filter

Prerequisites The air filter needs to be replaced.

A spare air filter of the same model is available and functional.

Context

Preparation: maintain from the rear door.

Procedure

Step 1 Open the rear door.

Step 2 Rotate the baffle plate and remove the air filter.

Step 3 Install the spare air filter.


Step 5 Tap Maint > Performance Maint on the home screen to enter the performance maintenance

screen and clear the runtime of the air filter.

----End

5.2.4 (Optional) Replacing a Condensate Pump

Prerequisites The condensate pump needs to be replaced.

A spare and functional condensate pump valve is available.

Context

Recommended tool: Phillips screwdriver

Preparations: The device is only maintained from the rear door, and is powered off.

Procedure

Step 1 Turn off all AC input switches.






132

Step 3 Remove the air filters.

Step 4 Remove the condensate pump, as shown in Figure 5-33.

Figure 5-33 Removing condensate pump components

1. Remove the two screws from the cover of the condensate pump using a Phillips

screwdriver and take off the cover.

2. Use a Phillips screwdriver to remove the four screws that secure the condensate pump.

3. Remove the control cables from the condensate pump.

4. Remove the forcible consulate drainpipe.

Pre-heat the forcible condensate drainpipe to facilitate removal.

5. Take off the condensate pump.

Step 5 Install a new condensate pump and connect cables in a reverse order of Step 4.1 to Step 4.4.





133

Do not reversely connect the input cables to the pump.

Step 6 Install the air filters.


Step 8 Tap Maint > Performance Maint on the home screen and clear the condensate pump total

runtime.

----End

5.2.5 Replacing a Fan

Prerequisites The fan needs to be replaced.

A spare and functional fan is available.

Context

Fans can be replaced with power on.

Recommended tool: Phillips screwdriver

Preparations: The device is only maintained from the front door.

Procedure

Step 1 Unlock the front door and open the door rightwards.

Step 2 Switch off the circuit breaker for the faulty fan.

Step 3 Remove the cables from the faulty fan, as shown by (1) in Figure 5-34.





134

Figure 5-34 Removing a fan

Step 4 Remove the fan.

1. If an electric heater is installed in front of the fan to be removed, remove the electric

heater cover first. If no electric heater is installed, skip this step.

2. Remove the four screws that secure the faulty fan using a Phillips screwdriver, as shown

by (2) in Figure 5-34.

Loosen only the four screws on the fan and remove the fan guard cover with them.

3. Remove the faulty fan. If an electric heater is installed in front of the fan, remove the fan

from the side of the electric heater.

Align the fastener at the bottom of the fan with the positioning pin, and push the fan into the

NetCol5000-C gently to ensure that cables to the fan can be securely connected and the fan

can work properly.

Step 5 Install a new fan in a reverse order of Step 4.2 to Step 4.3.

Step 6 Connect the cables to the fan.

Step 7 Close and lock the front door.





135

Step 8 Tap Maint > Performance Maint on the home screen and clear the fan runtime.

----End

5.2.6 Replacing an Electric Heater

Prerequisites The electronic heater needs to be replaced.

A spare electric heater with the same model is available and functional.

Context

Recommended tools: flat-head screwdriver, Phillips screwdriver

Preparations: The device is only maintained from the front door, and is powered off.

Procedure

Step 1 Open the front door, remove the four M4 screws that secure the electric heater cover using a

Phillips screwdriver, and remove the cover.

Step 2 Remove cables from the through-wall terminal using a flat-head screwdriver.

Step 3 Remove the two cable plugs from the sensing bulb.

Step 4 Remove the four M4 screws on the electric heater using a Phillips screwdriver and remove the

electric heater.





136

Figure 5-35 Removing the electric heater

Step 5 Install a new electric heater by following steps from Step 1 to Step 4 in the reverse order.

Step 6 Verify that cables are correctly connected and power on the device.

Step 7 Choose Maint > Performance Maint on the main menu and then clear the electric heater

running time.

----End

5.2.7 Replacing a Humidifier Cylinder

Prerequisites The humidifier cylinder needs to be replaced.

A spare humidifier cylinder of the same model is available and functional.

Context

Recommended tool: Phillips screwdriver, flat-head screwdriver, socket wrench, cable ties,

diagonal pliers

Preparation: The device can only be maintained from the rear door.





137

Procedure

Step 1 Open the rear door and remove the air filter.

Step 2 Switch the manual drain button on the side of the electric control box to the ON position to

drain water in the humidifier cylinder.

Step 3 Tap Shutdown on the main screen and power off the device. Then switch the button back to

OFF.

Step 4 Unfasten the screws on the evaporator hose clamp to loosen the evaporator hose, as shown by

(1) in Figure 5-36.

Figure 5-36 Removing the humidifier cylinder

Step 5 Cut off the cable ties, as shown by (2) in Figure 5-36.

Step 6 Remove the belt clamp on the humidifier cylinder, as shown by (3) in Figure 5-36.

Step 7 Pull upward to remove the humidifier cylinder, as shown by (4) in Figure 5-36.





138

When pulling out the humidifier cylinder, avoid contact with components and cables.

Step 8 Remove the scotch glue using a flat-head screwdriver, as shown by (5) in Figure 5-36.

Step 9 Remove the cable plug on the top of the humidifier cylinder using a socket wrench, as shown


Step 10 Install a new humidifier cylinder in reverse order of Step 1 to Step 9.

Scotch glue is not required when installing the cables.

Step 11 Verify that cables are correctly connected and power on the device.

Step 12 Choose Maint > Performance Maint on the main menu and then clear the humidifier

running time.

----End

5.2.8 Replacing an Air Exhaust Temperature Sensor

Prerequisites The air exhaust temperature sensor needs to be replaced.

A spare and functional temperature sensor is available.

Context

Temperature sensor can be replaced with power on.

Recommended tools: diagonal pliers and cable ties.

Preparation: maintain from the front door.

Procedure

Step 1 Open the front door.

Step 2 Use a Phillips screwdriver to remove the R-shaped pipe clip that secures the air exhaust

temperature sensor on the front door post, as shown in Figure 5-37.





139

Figure 5-37 Air exhaust temperature sensor

Step 3 Remove the waterproof connector from the sensor cable.

Step 4 Secure a new air exhaust temperature sensor to the original position using the R-shaped pipe

clip.

Step 5 Reconnect the waterproof connector to the sensor cable.

Step 6 Close and lock the front door.

----End

5.2.9 Replacing an Air Intake Temperature Sensor

Prerequisites The air intake temperature sensor needs to be replaced.


Context


Recommended tools: diagonal pliers, tie






140

Procedure



Step 3 Use a Phillips screwdriver to remove the R-shaped pipe clip that secures the air intake

temperature sensor on the rear door post, as shown in Figure 5-38.

Figure 5-38 Air intake temperature sensor


Step 5 Secure a new air intake temperature sensor to the original position using the R-shaped pipe

clip.

Step 6 Reconnect the waterproof connector to the sensor cable.

Step 7 Install the air filter.


----End





141

5.2.10 Replacing a Water Inlet or Outlet Temperature Sensor

Prerequisites The water inlet or outlet temperature sensor needs to be replaced.


Context


Recommended tools: needle-nose pliers.


Procedure

Step 1 Open the rear door and remove the air filters.

Step 2 Cut off the cable ties and the thermal insulation form on the pipe where the temperature

sensor is secured.

Step 3 Remove the water inlet or outlet temperature sensor probe. Figure 5-39 shows the positions of

water inlet and outlet temperature sensors.





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Figure 5-39 Position of water inlet and outlet temperature sensors

(1) Water inlet temperature sensor (2) Water outlet temperature sensor


Step 5 Insert the probe of the new temperature sensor into the socket.

Step 6 Reconnect the waterproof connector to the sensor cable, bind the cable, and wrap thermal

insulation foam.

Step 7 Install the air filters. Close and lock the rear door.

----End

5.2.11 Replacing a Rectifier

Prerequisites The rectifier needs to be replaced.

A spare and functional rectifier is available.

Context

Preparation: maintain from the rear door, and power off the device.





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Procedure



Step 3 Push up the buckle button on the rack, as shown by (1) in Figure 5-40.

If the rectifier is blocked by cable X101 or X102, you can remove terminal X101 or X102 and

then reconnect it after the replacement is complete.

Figure 5-40 Replacing the rectifier

The figure is for NetCol5000-C030H6B2010020E1 only.

Step 4 Pull out the buckle, as shown by (2) in Figure 5-40, and then pull out the rectifier module

from the plug-in frame.





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Make sure the buckle is on the lower right side when inserting a new rectifier module.

Step 5 Replace the rectifier and insert the new rectifier to the corresponding slot of the power

distribution subrack.

Step 6 Push the spare rectifier module to the plug-in frame and connect the cable, and then push

downward the buckle button to lock the rectifier module.

Step 7 Install the air filters and rear door.

Step 8 Power on the rectifier and check whether the rectifier works properly.

----End

5.2.12 Replacing a Water Valve Actuator and Chilled Water Valve

Context

Recommended tools and materials: 46# torque wrench, 41# wrench, bucket, thermal

insulation foam, small-sized flat-head screwdriver, utility knife, heat gun, a new chilled water

valve or a new actuator

Preparations: The devices can only be maintained from the rear door, and the power is shut

down.

Procedure

Step 1 Tap Shutdown on the LCD home screen and switch off the active input circuit breaker,

standby input circuit breaker, and the external power supply.

Step 2 Open the rear door and remove the air filter.

Step 3 Remove the circuit breaker cover, remove the cord end terminals 1, 2, 3, and 5 from the

actuator using a small-sized flat-head screwdriver, and cut off the cable ties of the actuator to

ensure that the actuator cables are separated from the unit.

Step 4 Manually set the chiller water valve opening to 100%.

1. Pull out the actuator handle upwards, as shown by (1) in Figure 5-41.





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Figure 5-41 Removing the actuator of the chilled water valve

2. Insert the hex key on the handle into the hole in the front of the actuator, as shown by (2)

in Figure 5-41.

3. Turn the handle in the direction shown by (3) in Figure 5-41 to loosen the screw and

remove the actuator.

Step 5 Install a new water valve actuator.

1. Use an actuator handle to remove the locating pin from the hole in the new actuator

mounting kit, as shown in Figure 5-42.





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Figure 5-42 Removing the locating pin

The valve port of the T water valve body faces left, and the connecting plate is fitted in with

the screws on the left. The handle is kept upwards.

2. Place the valve port of the T water valve body facing left, as shown by (1) in Figure 5-43.

Fit in the connecting plate with the screws on the left, as shown by (3) in Figure 5-43.

Keep the handle upwards, as shown by (4) in Figure 5-43.





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Figure 5-43 Installing the actuator

(1) Two-way valve (2) Actuator

(3) Connecting plate (4) Actuator handle

3. After the installation, connect cord end terminals 1, 2, 3, and 5 to the actuator, secure

them using cable ties, and install the circuit breaker cover.

Step 6 To replace the chilled water valve, remove the actuator and perform the following steps:

1. Close the water supply valves and return valves on the LDU, and open the needle valves

on the manual exhaust valve as well as the water inlet pipe and drainpipe at the lower

end of the condenser pipe to drain water into a bucket.

2. Cut open the thermal insulation foam around the valve.

Before removing the adjustable nuts on the valve, preheat the screw joint using a heat gun.

3. Remove the adjustable nuts on the valve using a 46# torque wrench and 41# wrench, as

shown by (1) in Figure 5-44.





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Figure 5-44 Removing the chilled water valve

4. Remove the chilled water valve, as shown by (2) in Figure 5-44.

After removing the adjustable nuts, clean up the thread sealant on the joints. When

installing the nuts, apply thread sealant to the threads.

After the installation, wrap thermal insulation foam around the reserved copper pipes.

Ensure that the new actuator is connected in the same position as the old one.

5. Replace the chilled water valve. Use the anaerobic thread sealants to seal the valve to a

torque of 60 N·m. Reinstall the chilled water valve in an inverse order of removing the

chilled water valve, and attach the thermal insulation foam.

Step 7 Power on the equipment. Choose Maint > Diagnostic Mode > Enter on the home screen to

enter diagnostic mode. Adjust the opening of the chilled water valve to an appropriate value

and ensure that no leakage exists. Confirm the setting and exit diagnostic mode.

Step 8 Tap Maint > Perform Maint on the home screen and clear the chilled water valve runtime.

----End

5.2.13 Replacing a Float

Prerequisites The float needs to be replaced.

The spare and functional air filters are available.





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Context

Recommended tool: open-end wrench.

Preparations: maintain from the rear door, and power off the device.

Procedure



Step 3 Remove the connectors from the float, as shown by (1) in Figure 5-45.

Step 4 Use an open-end wrench to remove the nuts fastening the float and take out the float, as


Figure 5-45 Replacing a float

Step 5 Replace the float and install the connectors.

The high float is located in an upper position, and the low float is located in a lower position.

Ensure that the connector is installed on the correct float.

Step 6 Tighten the nuts using the open-end wrench and level the float.





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Ensure that the float is level and the ball is upright.

Step 7 Install the air filters. Close and lock the rear door.

Step 8 Tap Maint > Perform Maint on the home screen and clear the float runtime.

----End

5.2.14 Replacing a Controller Panel

Prerequisites The controller panel needs to be replaced.

A spare and functional controller panel is available.

Context

Controller panel can be replaced with power on.

Recommended tool: Phillips screwdriver.

Preparation: maintain from the front door.

Procedure

Step 1 Open the front door with caution to prevent damaging the controller cables.

Step 2 Remove cables from the controller panel.

Step 3 Remove the controller panel, as shown in Figure 5-46.

Be aware of the fasteners when pushing the controller panel from the right or left side to

prevent damaging the controller panel.





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Figure 5-46 Replacing the controller panel

1. Remove the four screws from the controller panel using a Phillips screwdriver, as shown


2. Pull out the controller panel, as shown by (2) in Figure 5-46.

Step 4 Install the new controller panel in the original position on the front door in a reverse order of

Step 3.1 to Step 3.2.

Step 5 Connect the control signal cables to the controller panel. Close and lock the front door.

----End

5.3 Replacing an Aisle LED Light

Prerequisites An aisle light emitting diode (LED) light needs to be replaced.

Power to the aisle LED light has been disconnected.

Spare LED lights of the same model are available and functional.

Obtain spare LED lights from the following channels:

1. If no, contact Huawei technical support.

2. Log in to http://www.lighting.philips.com.cn and purchase LED lights of the appropriate models.





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The third-party website provided here is for reference only. Huawei does not provide any

guarantee for the website or bears no responsibility.

Context

During replacement, do not touch any end of the light with bare hands. You will get an

electric shock if you touch bare electrodes.

Aisle lights should be installed in parallel. The first and last LED lights on aisle sides should

be connected in series. The LED lights should be installed on the skylight connective plates.

An LED light has male and female connectors at both ends for interconnection, as shown in

Figure 5-47.

Figure 5-47 Interconnecting LED lights

Recommended tools and materials: multimeter

Procedure

Step 1 Locate a failed LED light.

If an LED light does not work but the cables to the light are intact, the LED has failed

and the LED light needs to be replaced.

If all LED lights after a light does not work, the LED light adjacent to the working LED

light has failed.

Step 2 Replace the LED light.





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1. Locate the failed LED light using the method as described in Step 1.

2. Remove LED lights in the aisle one by one from the side not connected to the power

supply until the failed LED light is removed.

3. Replace the failed LED light with a new one, and reinstall the removed LED lights one

by one, as shown in Figure 5-48.

Figure 5-48 Replacing an LED light

4. Replace all failed LED lights until all LED lights in the aisle work properly.

----End

Follow-up Procedure

Verify that all aisle lights are working properly.

5.4 Parts Replacement for the Intelligent Battery Monitoring System

5.4.1 Replacing a CIM

Prerequisites A CIM needs to be replaced.

A spare CIM of the same model is available and functional.





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Context

If a CIM becomes faulty during system running, the CIM should be replaced promptly.

Procedure

Step 1 Clear the network parameters for all the BIMs managed by the CIM to be replaced.

If the CIM is damaged, hold down the networking switches on all the BIMs managed by

the CIM to clear present network parameters.

If the CIM is not damaged, hold down the CIM networking switch to clear present

network parameters.

Step 2 Disconnect cables from the CIM and label the cables.

1. Disconnect the cable from the PoE port.

2. Disconnect the cable (if there is any) from the COM port.

3. Disconnect the cable (if there is any) from the BCB port.

4. Disconnect the cable from the HALL current monitoring port.

Figure 5-49 Disconnecting cables from the CIM

Step 3 Remove the CIM.

1. Remove the CIM from the fastener.





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Figure 5-50 Removing a CIM (from a battery cabinet)

Figure 5-51 Removing a CIM (from a battery rack)

The preceding text describes how to remove a CIM from the top of the BCB box. The method gives a reference for removing a CIM from the side panel of the BCB box.

2. Record the DIP switch address of the CIM.

Step 4 Install the new CIM.

1. Clamp the CIM to the fastener.

2. Set the DIP switch for the CIM based on the recorded information.

Step 5 Reconnect cables to the CIM based on the cable labels.

Step 6 After the installation, set up the network. For details, see iBAT 2.0-CIM01C2 User Manual.

----End

5.4.2 Replacing the BIM

Prerequisites A BIM needs to be replaced.

A spare BIM of the same model is available and functional.





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Figure 5-52 Position of the BIM01C3 nameplate

Figure 5-53 Position of the BIM02C1 nameplate

Context

A BIM needs to be replaced when it is faulty or fails in communication. If multiple BIMs

need to be replaced, replace them in ascending order of the corresponding battery numbers

(range 1–300).

Procedure

Step 1 Press the CIM networking switch for 2s. The RF_Z indicator on the CIM changes from

blinking green at long intervals to blinking green at super short intervals, which indicates that

the CIM is being networked.

Before removing the BIM, ensure that the BIM network parameters have been cleared and the

RUN/ALM indicator on the BIM is steady red.





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Step 2 Remove cables from the BIM panel, and remove the BIM from the corresponding battery.

Figure 5-54 Removing a BIM

The battery appearance is for reference only.

Step 3 Secure the new BIM on the fastener, and connect the BIM cables.

Verify that the BIM network parameters are cleared.

Step 4 Press the networking switch on the BIM for 2 seconds based on the battery number

corresponding to the new BIM. When the RUN/ALM indicator turns from steady red to

blinking green at super short intervals, and finally to blinking green at long intervals, the BIM

connects to the CIM network.

Step 5 After checking that the BIM networking is complete, set the blinking function. If the BIM

blinks successfully, the installation succeeds. If the BIM fails in blinking, check the cable

connections and reinstall the BIM.

On the CIM WebUI home page, choose Monitoring > CIM System > Running Control,

set BIM start blinking, select the corresponding battery numbers 1–300, and then click

Submit.

Figure 5-55 Setting the BIM blinking function on the CIM WebUI

After the blinking succeeds, set BIM stop blinking, select the battery number from the range of 1–300, and click Submit to stop the blinking.





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The BIM blinking function is not required on the ECC WebUI.

On the UPS WebUI home page, choose Monitoring > Control > CIM Control, set

CIM No. and BIM No., and then click Start.

Figure 5-56 Setting the BIM blinking function on the UPS WebUI

After the blinking succeeds, click Stop to stop blinking.

On the UPS LCD home screen, choose System Info > Maintenance > CIM Control,

set CIM No. and BIM No., and then click Start.

Figure 5-57 Setting the BIM blinking function on the UPS LCD

After the blinking succeeds, click Stop to stop blinking.

Step 6 Repeat Step 3 to Step 5 until all the BIMs to be replaced are successfully installed and

networked.

After all faulty BIMs are replaced, the ALM indicator on the CIM turns off.

Step 7 Press the CIM networking switch for 2 seconds. When the RF_Z indicator on the CIM turns

from blinking green at super short intervals to blinking green at long intervals, the

replacement is complete. If Step 5 fails, replace the BIM again by following the instructions

in this section.





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The internal resistance can be measured only when the batteries are fully charged and no alarm is generated in the intelligent battery monitoring system. A measurement can be performed at least 45 minutes after the previous measurement ends. The battery internal resistance will change to an invalid value after power-off and then power-on again. By default, the BIM checks the battery internal resistance once every 24 hours as instructed by the CIM. The red indicator on the BIM is steady on during the check. You can also measure the battery internal resistance manually.

On the CIM WebUI home page, choose Monitoring > CIM System > Running Control, set Internal resistance, select the battery number from the range of 1–300, and click Submit to start measuring the battery internal resistance.

On the UPS WebUI home page, choose Monitoring > Control > CIM Control, set CIM No. and BIM No., and click Measure to start measuring the battery internal resistance.

On the UPS LCD home screen, choose System Info > Maintenance > CIM Control, set CIM No. and BIM No., and click Measure to start measuring the battery internal resistance.

----End

5.5 Management System Parts Replacement

5.5.1 Replacing an ECC800 Subrack

Prerequisites

Replace an ECC800 subrack after power-off.

Before removing the ECC800 monitoring module, label the cables connected to the

monitoring module based on the corresponding ports and disconnect the cables from the

monitoring module. If you do not disconnect the cables, check that the cables are still

connected securely after replacing the ECC800 subrack.

Tools: insulation gloves, Phillips screwdriver, labels, and marker

Materials: a reserved undamaged and undeformed ECC800 subrack of the appropriate

model

Procedure

Step 1 Switch off the upstream input circuit breaker for the ECC800 and remove the power plug

from the rear of the ECC800.

Step 2 Remove the PSU and ECC800 monitoring module.

Step 3 Remove the screws from the mounting ears on both sides of the ECC800 subrack and remove

the failure ECC800 subrack.

Step 4 Screw the reserved ECC800 subrack to the position for the failure subrack.

Step 5 Reinstall the PSU and ECC800 monitoring module.

Step 6 Connect the power plug to the rear of the reserved ECC800 subrack and switch on the

upstream input circuit breaker for the ECC800.





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----End

5.5.2 Replacing an ECC800 Main Control Module

Prerequisites

The ECC800 monitoring module is hot-swappable.

Before disconnecting cables from the ECC800 monitoring module, label the cables based

on the corresponding ports.

Tools: ESD wrist strap, ESD gloves, Phillips screwdriver, labels, and marker

Materials: a reserved undamaged and undeformed ECC800 monitoring module of the

appropriate model

Procedure

Step 1 Use the Back Up Current Settings function to record the ECC800 configuration information

or manually record the information.

Step 2 Label each cable and antenna based on the corresponding ports on the ECC800 monitoring

module.

Step 3 Remove the cables and antenna from the ECC800 monitoring module.

Step 4 Remove the failure ECC800 monitoring module which is hot-swappable.

Step 5 (Optional) Remove the SIM card from the corresponding slots on the side of the failure

ECC800 monitoring module.

Step 6 (Optional) Install the removed SIM card in the corresponding slots of the reserved ECC800

monitoring module.

Step 7 Install the reserved ECC800 monitoring module in the ECC800 subrack.

Step 8 Connect the communications cables and antenna to the ECC800 monitoring module.

Step 9 Import the backup configuration file or set parameters for the devices that connect to the

ECC800 to ensure normal communication.

----End

5.5.3 Replacing a PSU

Prerequisites





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The PSU is hot-swappable.

Do not touch the terminals in the rear of a removed PSU to avoid electric shocks.

Tool: insulation gloves

Materials: a reserved undamaged and undeformed PSU of the appropriate model.

Procedure

Step 1 Push the locking latch in the upper right corner of the PSU panel leftwards.

Step 2 Pull out the handle of the PSU to remove the PSU from the subrack.

Step 3 Place a reserved PSU at the entry to the subrack, push the locking latch leftwards, and pull the

handle outwards.

Step 4 Gently push the PSU into the subrack along guide rails, and push the locking latch rightwards

to secure the handle.

Figure 5-58 Replacing a PSU

----End

5.5.4 Replacing the Hard Disk

Prerequisites The hard disk needs to be replaced.

Data in the hard disk has been backed up.

A spare hard disk of the same model is available and functional.

Context

Recommended tools and materials: Phillips screwdriver, ESD wrist strap (or ESD gloves)





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Procedure

Step 1 Put on an ESD wrist strap (or ESD gloves) and insert the ground terminal into the ESD jack in

the cabinet.

Step 2 Remove the faulty hard disk.

1. Press the button on the hard disk panel to open the ejector lever, as shown by (1) in

Figure 5-59.

2. Pull out the hard disk for about 3 cm, wait for 30 seconds at least until the hard disk

stops rotating, and pull it out, as shown by (2) in Figure 5-59.

3. Use a screwdriver to loosen the screws from the hard disk and remove the hard disk, as

shown by (3) and (4) in Figure 5-59.

Figure 5-59 Removing a hard disk

Step 3 Install a new hard disk.

1. Secure the hard disk to the front panel using a screwdriver, as shown by (1) and (2) in

Figure 5-60.

2. Push the hard disk into the subrack along the guide rails until it cannot move forwards,

as shown by (3) in Figure 5-60.

3. Close the ejector lever and push the hard disk in position, as shown by (4) in Figure

5-60.





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Figure 5-60 Installing a new hard disk

Step 4 Observe the hard disk indicator to check whether the hard disk works properly.

----End

Follow-up Procedure

If the hard disk works abnormally, contact Huawei technical support.

5.5.5 Replacing a Rack Environment Unit

Prerequisites

Before disconnecting cables from the rack environment unit, label the cables based on the

corresponding ports.

Tool Phillips screwdriver, labels, and marker

Materials: a reserved undamaged and undeformed rack environment unit of the

appropriate model

Procedure

1. Label each cable based on the corresponding ports on the rack environment unit.

2. Disconnect cables from the rack environment unit.

3. Remove the screws from the mounting ears on both sides of the rack environment unit

and remove the failure rack environment unit.

4. Secure the reserved rack environment unit in the original position using four screws.

5. Connect cables to the reserved rack environment unit based on the cable labels.





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6. On the WebUI of the ECC800, choose Monitoring > System > ECC800 > Controls >

Delete device with communication failure, and click Submit.

7. Log in ECC800 WebUI, check the parameters and communication status of the rack

environment unit to ensure normal communication.

5.5.6 Replacing a Cabinet Electronic Lock

Prerequisites

A cabinet electronic lock is configured.

Procedure

Step 1 Open the cabinet door, and disconnect the monitoring cable connected to the electronic lock.

Step 2 Remove the electronic lock.

Step 3 Install a new electronic lock and connect the monitoring cable to the new lock.

----End

5.5.7 Replacing an AC Actuator

Prerequisites

Before replacing the AC actuator, ensure that the upstream AC input power is off.

Prepare backup lights if AC actuators work in N+1 mode because replacing the AC

actuator in this case will cause insufficient lighting in the data center.

Tool insulation gloves, Phillips screwdriver, step ladder, labels, and marker

Materials: a reserved undamaged and undeformed AC actuator of the appropriate model

Procedure

1. Switch off the upstream AC input circuit breaker for the AC actuator.

2. Label each cable based on the corresponding ports on the AC actuator.

3. Open the cover on the front panel of the AC actuator, and disconnect the cables.

4. Remove the failure AC actuator from the guide rails.

5. Install the reserved AC actuator in the original position and connect the cables.

6. Switch on the upstream AC input circuit breaker for the AC actuator and see ECC800

Data Center Controller User Manual to complete networking for the new component.



8. Check the parameters and communication status of the AC actuator to ensure normal

communication.





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5.5.8 Replacing a Skylight Actuator

Prerequisites Tool ESD wrist strap, ESD gloves, Phillips screwdriver, step ladder, labels, and marker

Materials: a reserved undamaged and undeformed skylight actuator of the appropriate

model

Procedure

1. Label each cable based on the corresponding ports on the skylight actuator.

2. Disconnect cables from the skylight actuator.

3. Remove the failure skylight actuator from guide rails.

4. Install the reserved skylight actuator in the original position and connect the cables.



6. Check the parameters and communication status of the skylight actuator to ensure

normal communication.

5.5.9 Replacing a Skylight Magnetic Lock

Prerequisites A skylight magnetic lock needs to be replaced.

Spare skylight magnetic locks of the same model are available and functional.

Context

Recommended tools and materials: Phillips screwdriver, insulation tape, and step ladder (2 m)

Procedure

Step 1 Open the rotating skylight.

Step 2 Cut off the cables to the skylight magnetic lock at an appropriate position.

Step 3 Loosen the two screws using a Phillips screwdriver and remove the skylight magnetic lock to

be replaced, as shown in Figure 5-61.





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Figure 5-61 Removing a skylight magnetic lock

Step 4 Install a new skylight magnetic lock and tighten the two screws.

Step 5 Connect cables to the new skylight magnetic lock to the cables cut off in Step 2 using cord

end terminals.

Step 6 Close the rotating skylight. Power on and off the skylight for three consecutive times and

check that the skylight can open properly.

----End

5.5.10 Replacing a Pad Power Connector

Prerequisites

Before installing a pad power connector, prepare the materials listed in Table 5-5.

Table 5-5 Materials

Name Exterior Description

Pad power connector

The BOM number is

14190892.

Pad power connector

The BOM number is

14190242.





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Name Exterior Description

Pad power connector holder

Obtain it from the pad

mounting kit materials

(BOM number: 21242016).

Procedure

Step 1 Remove the pad power connector and its holder from the door box, as shown in Figure 5-62.

Figure 5-62 Removing a pad power connector holder and its holder

Step 2 Disconnect cables from the power connector, as shown in the following figures.

Figure 5-63 Disconnecting cables from the power connector (BOM number: 14190892)





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Figure 5-64 Disconnecting cables from the power connector (BOM number: 14190242)

Step 3 Remove the pad power connector from its holder, as shown in the following figures.

1. Unscrew the holder cover by removing M4x12 screw assemblies.

2. Remove the power connector from the guide rail of the holder.

Figure 5-65 Removing a pad power connector from its holder (BOM number: 14190892)

Figure 5-66 Removing a pad power connector from its holder (BOM number: 14190242)

Step 4 Assemble the pad power connector holder, as shown in the following figures.





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1. Clamp the power connector to the guide rail of the holder.

2. Install the holder cover using three M4x12 screw assemblies.

Figure 5-67 Assembling a pad power connector holder (BOM number: 14190892)

Figure 5-68 Assembling a pad power connector holder (BOM number: 14190242)

Step 5 Connect cables from the power connector to the AC actuator, and route the cables, as shown

in the following figures.





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Figure 5-69 Connecting cables to a power connector (BOM number: 14190892)

Figure 5-70 Connecting cables to a power connector (BOM number: 14190242)

Step 6 Secure the pad power connector holder, as shown in Figure 5-71.

1. Remove the baffle plate from the power connector mounting holes in the door box.

2. Secure the pad power connector holder to the door box using two M4x12 screw

assemblies.





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Figure 5-71 Securing a pad power connector holder

----End

5.5.11 Replacing a Smart ETH Gateway


Materials: a reserved undamaged and undeformed smart ETH gateway of the appropriate

model

Procedure

1. Label each cable based on the corresponding ports on the smart ETH gateway.

2. Disconnect cables from the smart ETH gateway.

3. Remove the failure smart ETH gateway from the guide rails.

4. Install the reserved smart ETH gateway in the original position and connect the cables.



6. Check the parameters and communication status of the smart ETH gateway to ensure

normal communication.

5.5.12 Replacing a WiFi Converter

Prerequisites Tool ESD wrist strap, ESD gloves, step ladder, labels, and marker

Materials: a reserved undamaged and undeformed WiFi converter of the appropriate

model





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Procedure

1. Label each cable based on the corresponding ports on the WiFi converter.

2. Remove the cables and antenna from the WiFi converter.

3. Remove the failure WiFi converter from the guide rails.

4. Install the reserved WiFi converter in the original position and connect the cables.



6. Log in to the ECC800 WebUI, choose Monitoring > System > WiFi Converter > WiFi

Management, enable the WiFi function, and set the WiFi SSID and password according

to the customer plan.

7. Check that the APP can be connected properly.

5.5.13 Replacing a Multi-Functional Sensor


Materials: a reserved undamaged and undeformed multi-functional sensor of the

appropriate model

Procedure

1. The multi-functional sensor is clamped into a base through a slot and a buckle. Hold

down the multi-functional sensor and slide it to the side to remove the sensor.

2. Disconnect cables from the rear of the multi-functional sensor.

3. Connect the cables to the reserved multi-functional sensor.

A reserved multi-functional sensor has a base. You can replace the old base if it is damaged or does not match the buckle of the reserved multi-functional sensor.

4. Align the slot in the rear of the reserved multi-functional sensor with the buckle on the

base, and slide and clamp the multi-functional sensor.



6. Synchronize multi-functional sensor parameters on the ECC800 WebUI and check the

operating status of multi-functional sensor to ensure normal communication.

5.5.14 Replacing a Smoke Detector

Smoke detectors can be installed in various scenarios. This section describes how to replace a

smoke detector on the control skylight.

Prerequisites A smoke detector needs to be replaced.

Spare smoke detectors of the same model are available and functional.

Context

Recommended tools and materials: Phillips screwdriver, insulation tape, and step ladder (2 m)





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Procedure

Step 1 Rotate the smoke detector to remove it from the base, as shown in Figure 5-72.

Figure 5-72 Removing a smoke detector

Step 2 Remove the cables from the smoke detector using a Phillips screwdriver and apply insulation

measures such as wrapping the cables with insulation tape to avoid hazards.


Step 3 Install a new smoke detector and reinstall the cables using a Phillips screwdriver.

Step 4 Install the smoke detector to the control skylight by rotating it in a direction opposite to Step

1.

----End

Follow-up Procedure

Send the faulty smoke detector together with a Repair Notice to your local Huawei office for

repair.

Check whether the new smoke detector works properly. If the smoke detector status is

displayed on the user interface (UI), the sensor works properly.

5.5.15 Replacing a Water Sensor

The water sensor can be installed in various scenarios. This section describes the general

method for replacing a water sensor.

Prerequisites A water sensor needs to be replaced.

Spare water sensors of the same model are available and functional.

Context

Prepare a water sensor or water detection rope of the same model.





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A water sensor consists of a water detection rope, water detector, and conversion cable. The

water detection cable is laid out on the floor, connected to the water detector placed near the

collector by the conversion cable. Figure 5-73 shows the components.

Figure 5-73 Water sensor components

(1) Water detector (2) Conversion cable end A,

connecting to the water detector

(3) Conversion cable

(4) Conversion cable end B,

connecting to water the

detection rope

(5) Water detection rope end A,

connecting to the conversion

cable

(6) Water detection

rope

Recommended tools and materials: crimping tool

Procedure

Step 1 Replace the water detector.

1. Remove the conversion cable at the conversion port for the water detector and

conversion cable.

2. Connect a new water detector to the conversion cable, as shown in Figure 5-74.

3. Secure the new water detector.





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Figure 5-74 Connecting a conversion cable to a water detector

Step 2 Replace a water detection rope.

1. Remove the faulty water detection cable from the port.

2. Install a new water detection cable, as shown in Figure 5-75.

Figure 5-75 Connecting a new water detection cable

(1) Conversion cable end B, connecting to

the water detection cable

(2) Water detection rope end A, connecting

to the conversion cable

The water detection rope and conversion cable are interconnected through the male and female connectors.

----End

Follow-up Procedure

Check whether the new water detector works properly. Connect the network cable between

the water detector and ECC, immerse the water detection cable in water, and check whether

an alarm is generated. If an alarm is generated, the replacement is complete.

5.5.16 Replacing an NTC Temperature Sensor

Prerequisites Tools: ESD wrist strap, ESD gloves, cable ties

Materials: a new undamaged and undeformed NTC temperature sensor of the appropriate

model





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Procedure

1. Cut off the cable tie that binds the NTC temperature sensor cable to the cabinet and

disconnect the cable from the NTC temperature sensor.

2. Cut off the cable tie on the NTC temperature sensor and remove the NTC temperature

sensor from the rack environment unit.

3. Bind a new NTC temperature sensor to the original position in the cabinet.

4. Route the cable for the new NTC temperature sensor along the original path and bind the

cable to the cabinet using a cable tie. Connect the NTC temperature sensor cable to the

NTC temperature sensor and rack environment unit.

5.5.17 Replacing an Alarm Beacon

Prerequisites Tools: Phillips screwdriver, step ladder

Material: a new undamaged and undeformed alarm beacon of the appropriate model

Procedure

Step 1 Disconnect the communications cable between the alarm beacon and the ECC800.

Step 2 Remove the two screws from the alarm beacon and remove the alarm beacon from the door

box.

Step 3 Route the cable of the new alarm beacon through the cable hole in the right door box and

connect the cable to the DO_1 or DO_2 port on the ECC800.

Step 4 Secure the new alarm beacon to the right door box using two M3x16 recessed pan head

screws.

----End

5.5.18 Replacing an Access Actuator

Prerequisites Tool ESD wrist strap, ESD gloves, step ladder, labels, and marker

Materials: a reserved undamaged and undeformed access actuator of the appropriate

model

Procedure

1. Label each cable based on the corresponding ports on the access actuator.

2. Disconnect cables from the access actuator.

3. Remove the failure access actuator from guide rails.

4. Install the reserved access actuator in the original position and connect the cables.



6. After replacing the access actuator, log in to the WebUI to synchronize access

parameters or add user permissions again by performing the following steps.

a. Choose System Settings > Access Right Management.





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b. Select the user whose access permission needs to be modified and click Modify.

c. Reset the access actuator permission, cabinet lock permission, permission validity

period, and time period, and then click OK.

d. Choose System Settings > Access Right Management > Synchronize Permission.

Select the access control devices with modified permissions and synchronize the

access permissions.

5.5.19 Replacing an Access Control Device

Prerequisites Tool ESD wrist strap, ESD gloves, flat-head screwdriver, Phillips screwdriver, labels,

and marker

Materials: a reserved undamaged and undeformed access control device of the

appropriate model

For details about how to replace a fingerprint and card reader, fingerprint and card reader

with a keypad, and card reader with a keypad, see Replacing an access control device.

For details about how to replace an IC card reader, see Procedure for Replacing an IC

Card Reader.

Replacing an access control device

1. Disconnect the cable between the access control device and the access actuator.

2. Remove screws from the bottom of the access control device and remove the access

control device from the baseplate.

3. Route the cable of the reserved access control device to the access actuator through a

cable hole along the original path.

4. Install the reserved access control device on the baseplate and secure the access control

device using screws at the bottom.

5. (Optional) After replacing an access control device with fingerprint functions, log in to

the WebUI to synchronize access parameters or record the user fingerprint information

again by performing the following steps.

a. Log in to the ECC800 WebUI and choose System Settings > Access Right

Management.

b. Select the user information and click Modify.

c. Record the fingerprint information again. Every user can record three fingerprints.

After the recording, click OK.

d. Choose System Settings > Access Right Management > Synchronize

Permission. Select the access control devices with modified permissions and

synchronize the access permissions.

Procedure for Replacing an IC Card Reader

1. Disconnect the cable between the card reader and the access actuator.

2. Remove screws from the bottom of the card reader cover and remove the card reader

cover.

3. Remove the two screws from the card reader and remove the card reader.

4. Take out the reserved card reader, remove the screws from the bottom of the card reader

cover, and then remove the cover.





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5. Route the cable of the reserved card reader to the access actuator through a cable hole

along the original path.

6. Screw the reserved card reader to the baseplate and secure the cover of the new card

reader.

5.5.20 Replacing a Sliding Door Magnetic Lock

Context

The BOM number for the sliding door magnetic lock is 02070037. The following components

are required for installing a magnetic lock.

Figure 5-76 Components of a sliding door magnetic lock

(1) Magnetic lock fastener (2) Magnetic lock

(3) Magnet (4) Magnet fastener

(5) Magnet washer

Procedure

Step 1 Remove the magnetic lock to be replaced.

Step 2 Secure the magnet to the magnet fastener using the screws and washers available in the fitting

bag of the sliding door magnetic lock, as shown by (1) in Figure 5-77.

Step 3 Take out the magnetic lock and disassemble it, and keep the two screws removed, as shown


Step 4 Use the screw removed in the previous step to secure the disassembled magnetic lock to the

magnetic lock fastener, as shown by (3) in Figure 5-77.





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Figure 5-77 Installing a sliding door magnetic lock

----End

5.5.21 Replacing a Double-Door Magnetic Lock

Prerequisites

Before disconnecting cables from the double-door magnetic lock, label the cables based on

the corresponding ports.

A new undamaged and undeformed double-door magnetic lock of the appropriate model is

prepared.

Procedure

Step 1 Remove the mounting plate of the magnetic lock cover, as shown in Figure 5-78.





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Figure 5-78 Removing the mounting plate of a magnetic lock cover

Step 2 Remove the cables for the double-door magnetic lock from the Phoenix terminal block on the

upper frame mounting kit.

Step 3 Replace the magnetic lock. Remove the magnetic lock from the fixing plate using the

delivered hex key, as shown in Figure 5-79.





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Figure 5-79 Removing a magnetic lock

Step 4 Route cables for the new magnetic lock into the upper frame mounting kit, and secure the

magnetic lock to the fixing plate using the delivered hex key, as shown in Figure 5-80.





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Figure 5-80 Installing a magnetic lock

Step 5 Install the mounting plate of the magnetic lock cover, as shown in Figure 5-81.

Figure 5-81 Installing the mounting plate of a magnetic lock cover

Step 6 Replace the magnet.





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1. Remove the magnet from the door, as shown in Figure 5-82.

Figure 5-82 Removing a magnet

2. Take out the magnet from the new magnetic lock fitting bag, and insert the positioning

pins of the magnet into the magnet using a rubber mallet, as shown in Figure 5-83.

Figure 5-83 Installing positioning pins of a magnet

3. Insert the assembled magnet into the magnetic lock base on the revolving door, and

secure the magnet to the door using the screws on the door and the white rubber washer

delivered with the magnet, as shown in Figure 5-84.

When securing the magnet to the door panel, do not over-tighten the screws so that the white rubber washer is elastic. The washer will adjust the magnet to a correct position because of its elasticity.





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Figure 5-84 Installing a magnet

(1) White rubber washer

Step 7 (Optional) Adjust the magnet.

If the magnet does not work properly after power-on, check that:

1. The magnet provides magnetic force by attaching magnetizable iron parts to it.

2. The double-door magnetic lock is aligned with the magnet face-to-face.

3. No gap exists between the double-door magnetic lock and the magnet.

If any of the preceding conditions is not met, troubleshoot the magnet as follows:

1. Check the circuit and rectify any circuit fault.

2. Adjust the magnet base and the door panel to align the magnetic lock with the magnet

face-to-face. Ensure that the deviation is minimum.

3. If a gap exists between the double-door magnetic lock and the magnet, rectify the fault as


4. If the magnet is not level, use a spacer shown by (2) in Figure 5-85 to adjust the magnet

levelness.





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Figure 5-85 Adjusting the gap

----End

5.5.22 Replacing a Button

Context The light button and exit button (green) can be reset automatically. Their BOM numbers

are both 16050101.

The emergency button (red) needs to be manually reset. Its BOM number is 16050102.

The exit button, emergency button, and light button are replaced in the same manner.

Procedure

Step 1 Remove the post side panel.

Step 2 Remove the buckle from the button installation position.

Step 3 Secure the button to the post using the delivered nut.

Step 4 Route the button cable out of the cable hole in the upper part of the post and then into the

upper frame mounting kit of the end door. Then reinstall the post side panel.





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Figure 5-86 Replacing a button

----End

5.5.23 Replacing a Door Status Sensor

Prerequisites A door status sensor needs to be replaced.

Spare door status sensors of the same model are available and functional.

Context

Recommended tools and materials: Phillips screwdriver and insulation tape

Procedure

Step 1 Remove the cover of the door status sensor manually.

Step 2 Remove communication cables using a Phillips screwdriver and apply insulation measures

such as wrapping the cables with insulation tape to avoid hazards.


Step 3 Remove the door status sensor from the rack top using the Phillips screwdriver, as shown in

Figure 5-87.





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Figure 5-87 Removing a door status sensor

Step 4 Install a new door status sensor.

Step 5 Install the new door status sensor by performing operations prior to Step 4 in a reverse order.

----End

Follow-up Procedure

Check whether the new door status sensor works properly. If the status information of the

door status sensor is displayed on the main screen of the management system client after you

open or close the corresponding cabinet door, the new door status sensor works properly.

5.5.24 Replacing a Pad

Prerequisites Tools: ESD wrist strap, ESD gloves, labels, and marker

Materials: a reserved undamaged and undeformed pad of the appropriate model

Procedure

1. Install the APP on the reserved pad and connect the pad to the network over the WiFi

hotspot of the data center.

2. Specify the user name and password for the APP on the reserved pad and log in to check

that the APP works properly.

3. Remove the failure pad from the support and install the reserved pad on the support.

5.5.25 Replacing a Camera

Prerequisites Tools: ESD wrist strap, ESD gloves, step ladder, labels, marker





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Material: a new undamaged and undeformed camera of the appropriate model

Procedure

1. Unscrew and remove the front cover from the camera.

Figure 5-88 Removing the front cover from a camera

2. Remove the screws from the camera.

Figure 5-89 Removing a camera

3. Remove the monitoring network cable from the camera and remove the camera.

4. Install the new camera by following the instructions about camera installation in the

ECC800 Data Center Controller User Manual. Configure the camera parameters by

following the instructions about camera commissioning in the ECC800 Data Center

Controller User Manual.


Maintenance Guide (ECC800) A Acronyms and Abbreviations



189

A Acronyms and Abbreviations

A

AC alternating current

ATS AC transfer switch

B

BCB-BOX battery circuit breaker box

BIM battery interface module

BPS bypass

BSC bus synchronization controller

C

CIM communication interface module

CT current transformer

D

DC direct current

E

ECC energy control center

ECM energy control module

ECO economy control operation

ETH Ethernet

I


Maintenance Guide (ECC800) A Acronyms and Abbreviations



190

iBAT ibattery

IC integrated circuit

IT Internet technology

L

LCD liquid crystal display

LED light emitting diode

M

MDU monitor display unit

N

NetEco Network Ecosystem

NTC negative temperature coefficient

P

PDC Power Distribution Cabinet

PDU power distribution unit

PE protective earthing

PoE Power over Ethernet

PFC power factor correction

S

SD secure digital memory

SIM subscriber identity module

SPD surge protective device

U

UPS uninterruptible power system

W

WiFi Wireless Fidelity

Date post:	18-Nov-2021
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Maintenance Guide (ECC800) - Huawei

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