61981264 Service Manual YP 90 Series

8/18/2019 61981264 Service Manual YP 90 Series

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EDITION/REVISION B/0

NINGBO DAVIDR

SERVICE MANUAL

YP-90 YP-90A

YP-90B YP-90 AB

90 SERIESINFANT INCUBATOR


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NINGBO DAVID MEDICAL DEVICE CO., LTD.

ADD: NO.158 DAQING ROAD, SHIPU, NINGBO, ZHEJIANG PROVINCE, CHINA

POST CODE: 315731 FAX: 0086-574-65962111

MARKETING CENTER: NO. 100, JINGHUA ROAD, HI-TECH INDUSTRIAL DEVELOPMENT ZONE,

NINGBO, CHINA

POST CODE: 315000

TEL: 0086-574-87800008, 87800009 FAX: 0086-574-87801111

E-MAIL: [email protected] [email protected]

WEBSITE: http ://www.nbdavid.com

EUROPEAN REPRESENTATIVE: SHANGHAI INTERNATIONAL HOLDING CORP. GMBH (EUROPE)

ADD: EIFFESTRASSE 80, 20537 HAMBURG, GERMANY

TEL: 0049-40-2513175 FAX: 0049-40-255726

EDITION/REVISION B/0

mailto:[email protected]:[email protected]


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SERVICE MANUAL FOR INFANT INCUBATOR EDITION/REVISION B/0

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WARRANTY

The product being described in this manual is warranted against defects in materials or

workmanship for one year from the date of shipment, with the following exceptions.

1. All consumable and disposable products are guaranteed to be free from defects upon

shipment only.

2. Calibrations are considered normal maintenance and are not included in the 1-year warranty.

During the warranty period any defective parts other than those listed above will be replaced at no

charge to the customer.

This warranty is rendered void and our company cannot be held liable for conditions resultant

therefrom if:

1. Damage to the unit is incurred as a result of mishandling.

2. The customer fails to maintain the unit in a proper manner.

3. The customer uses any parts, accessories, or fittings not specified or sold by our company.

4. Sale or service is performed by the non-certified service/dealer agency.

This warranty is in lieu of all other warranties, expressed or implied, and our company shall in no

event be liable for incidental or consequential damages including loss of use, property damage, or

personal injury resulting from breach of warranty.

The Accreditation Manual for Hospitals requires each piece of equipment to be tested prior to initial

use and at least annually thereafter. To comply with this standard, we recommend that you participate inour accreditation Testing compliance Program during the warranty period. This service can be

performed through our company and authorized dealers.

SERVICE

For optimal performance, product service should be performed only by qualified service personnel.

Technical Services representatives can be reached for fixations and are dispatched for required

maintenance by calling 0086-574-87801003, 87800002. Customers outside China should contact their

local factory-authorized distributor for service.


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COMPLEMENTARY NOTICE

Since our company, conducts a continuous product improvement program, circuit and component

improvements are sometimes incorporated into equipment before they can be incorporated into the

printed manuals. This manual contains proprietary information, repairs and authorized modifications

should be performed only by qualified service personnel to maintain your warranty and to avoid creating

safety hazards. We cannot assume responsibility for any conditions affecting the proper operation of this

equipment which may result from unauthorized repair modification. Therefore, some parts used in your

equipment may be different than those which appear in the parts list of this manual. This sometimes

occurs due to difficulty in parts procurement, but does not alter the function of the equipment

The device, accessories and the packaging have to be disposed of waste correctly at the end of the

usage. Please follow Local Ordinances or Regulations for disposal.

TABLE OF DEFINITIONS AND SYMBOLS

TECHNICAL DEFINITIONS

SKIN TEMPERATURE SENSOR: A sensing device including the link with the equipment intended to

measure the infant’s skin temperature.

INCUBATOR TEMPERATURE: Air temperature at a point 10cm above and centered over the mattress

surface.

CONTROL TEMPERATURE: The temperature set at the temperature control.

AVERAGE INCUBATOR TEMPERATURE: The average of the maximum and minimum Incubator

temperatures achieved during Temperature Condition.

STEADY TEMPERATURE CONDITION: A condition which is reached when the temperature does not

vary by more than 1℃ over a period of 1 hour.

TEMPERATURE ALARM CHECKOUT STATE: The difference between real temperature and control

temperature is within ±0.5℃ and such state lasts for over 10 minutes. The equipment must stay in such

state when check up the alarm about temperature

TEMPERATURE UNIFORMITY: The amount by which the average temperature at each of four points

10cm above the mattress surface differs from the Average incubator Temperature at steady

Temperature Condition. The four points are the centers of four quadrants formed by lines that divide the

width and length of the mattress surface.


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TEMPERATURE VARIABILITY: The variability of the Incubator Temperature that will be observed over

a one hour period after Incubator Temperature Equilibrium has been reached.

TEMPERATURE RISING TIME: The time required for the Incubator Temperature to rise 11℃, when the

Air Control Temperature is at least 12℃ above ambient.

NOTE, IMPORTANT, CAUTION AND WARNING

NOTE: A note is inserted in text to point out procedures or conditions, which may otherwise be

misinterpreted or overlooked. A note may also be used to clarify apparently contradictory or

confusing situations.

IMPORTANT: Similar to a Note but be used where greater emphasis is required.

CAUTION: A caution is inserted in text to call attention of a procedure which, It not followed

exactly, can lead to damage or destruction of the equipment.

WARNING: A warning is inserted in text to call attention to dangerous or hazardous conditions

inherent to the operation, cleaning, and maintenance of the equipment which may result in

personal Injury or death of the operator or patient.


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SYMBOLS

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>37

Attention, Consult Accompanying Documents.

Class I Equipment Type BF Applied Part

On (Connection to the mains) Off (Disconnection to the mains)

On (Only For A Part Of Equipment) Off (Only For A Part Of Equipment)

RS-232 Connector AC Power 220-230V, 50Hz

High temperature warning label Protective Earth (Ground)

Earth (Ground) Weight Limit

Heating Power Indicator Mattress Tilt Direction

Low Water Level High Water Level

Air Mode Key Baby Mode Key

Silence / Reset Key Keypad Key

Set Up Key Set Down Key

Lower device’s height Temperature override modeselection key

Raise device’s height Type T Fuse 400mAL/250V

Type F Fuse 5AH/250V Fuse Type F 6.3AH/250V

Type T Fuse 160mAL/250V Type T Fuse 800mAL/250V

Serial Number Date Of Manufacture

CE Marking

Auxiliary mains output, MAX:1.6A

CLASS I

RS-232 220-230V~/50Hz

T 400mAL/250V

F 6.3AH/250VF 5AH/250V

T 800mAL/250VT 160mAL/250V

SN

220-230V~/50Hz MAX:1.6A


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SEASONAL SAFETY CHECK

1. Please clean the plug of power cord at least once a year. Too much dust on plug may cause the fire.

2. The following safety checks should be performed at least every 12 months by a qualified person who

has adequate training, knowledge, and practical experience to perform these tests. The data should be

recorded in an equipment log.

①. Inspect the equipment and accessories for mechanical and functional damage.

②. Inspect the safety relevant labels for legibility.

③. Inspect the fuse to verify compliance with rated current and breaking characteristics.

④. Verify that the device functions properly as described in the instructions for use.

⑤. Test the protection earth resistance according IEC 60601-1:1988 + A1:1991 + A2:1995: Limit

0.1Ω.

⑥. Test the earth leakage current according IEC 60601-1:1988 + A1:1991 + A2:1995: Limit: NC

500μ A, SFC: 1000μ A.

⑦. Test the enclosure leakage current according to IEC 60601-1:1988 + A1:1991 + A2:1995: Limit:

NC 100μ A, SFC: 500μ A.

⑧. Test the patient leakage current according IEC 60601-1:1988 + A1:1991 + A2:1995: Limit: for

a.c.: 100μ A (BF), for d.c.: 10μ A (BF).

⑨. Test the patient leakage current under single fault condition with mains voltage on the applied

part according IEC 60601-1:1988 + A1:1991 + A2:1995: Limit: for a.c.:500μ A (BF), for d.c.: 50μ A (BF).

⑩. According to the test methods of IEC 60601-1:1988 + A1:1991 + A2:1995, the patient leakage

current (net voltage should be added on the applied part) of the testing device must less than 5000μ A.

○11 . Test the patient auxiliary leakage current according IEC 60601-1:1988 + A1:1991+ A2:1995:

Limit: NC for a.c.: 100μ A (BF), for d.c.: 10μ A (BF).SFC 500μ A (BF), for d.c.: 50μ A (BF).


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TABLE OF CONTENTS

SECTION PAGE

1. GENERAL INFORMATION…………………………………………………………………………………1-1

1.1 INTRODUCTION……………………………………………………………………………………………1-1

1.2 DESCRIPTION……………………………………………………………………………………………1-1

1.3 ACCESSORIES……………………………………………………………………………………………1-1

2. INSTALLATION………………………………………………………………………………………………2-1

2.1 UNPACKING………………………………………………………………………………………………2-1

2.2 ASSEMBLING ………………………………………………………………………………………………2-1

2.3 OPERTION CHECKOUT PROCEDURES ………………………………………………………………2-6

3 TECHNICAL INFORMATION………………………………………………………………………………3-1

3.1 SPECIFICATION……………………………………………………………………………………………3-1

3.2 WORKING PRINCIPLE……………………………………………………………………………………3-3

4. PREVENTIVE MAINTENANCE……………………………………………………………………………4-1

4.1 GENERAL……………………………………………………………………………………………………4-1

4.2 CLEANING…………………………………………………………………………………………………4-1

4.3 STERILIZATION……………………………………………………………………………………………4-8

4.4 MAINTAINANCE……………………………………………………………………………………………4-8

5 SERVICE………………………………………………………………………………………………………5-1

5.1 GENERAL……………………………………………………………………………………………………5-1

5.2 REPLACEMENT OF ELDMENT…………………………………………………………………………5-1

5.3 SYSTEM SETTING PROCEDURES……………………………………………………………………5-2

5.4 TROUBLESHOOTING PROCEDURES…………………………………………………………………5-6

6. REPLACEMENT PARTS……………………………………………………………………………………6-1

6.1 GENERAL……………………………………………………………………………………………………6-1

7. DIAGRAMS…………………………………………………………………………………………………7-1

7.1 GENERAL……………………………………………………………………………………………………7-1


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SECTION 1

GENERAL INFORMATION

1.1 INTRODUCTION

This manual provides instructions for installation, maintenance and repair the David InfantIncubators, Model YP-90,YP-90A, YP-90B, YP-90AB. Among these models, YP-90AB is with all

functions other models have.

This manual is intended for use only by trained, qualified service personnel. Instructions for

the operator of the equipment are provided in a separate operator’s manual.

1.2 DESCRIPTION

Based on YP-90, the Infant Incubator YP-90A added with baby mode , cabinet; the Infant

Incubator YP-90B added the Neonate Bilirubin Phototherapy Equipment; YP-90AB added with

baby mode and the Neonate Bilirubin Phototherapy Equipment, cabinet.

YP-90, YP-90B just have one kind of control mode-air mode, YP-90A, YP-90AB have 2

kinds of control mode- air mode and Baby mode. Optional part :＞37℃ Temperature Override

Mode, Neonate Bilirubin Phototherapy Equipment , and Vertical Height Adjustment cabinet (VHA

cabinet) . If you donot purchase the optional part, please omit it.

1.3 ACCESSORIES

The following diagram shows the main parts of the Infant Incubator:

Neonate Bilirubin Phototherapy Equipment

I.V. Pole

Baby compartmentShelf

1-1I2

Controller

Base

Mobile cabinet


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DESCRIPTION OF PART EXPLANATION

I.V. Pole A kind of bearing part, which is used for hanging the infusion bottle.Max. Load: 2Kg

Controller

The core part with two kinds of temperature control modes: airmode, baby mode, and the optional function :＞37°TemperatureOverride Mode, and it is used for automatic controlling of heatoutput, please refer to section 4 on the user's manual.

Shelf A kind of bearing part, which is used for putting some small objects.Max. Load: 3.5Kg

Baby compartment

It is used for place the infant inside, including the Acrylic hood,bassinet, and so on. The bassinet can be tilted at ±12°at the requestof clinical needs. The baby scale is optional part, and the Max. Loadof bassinet is 10 Kg.

Size of mattress: 630mm × 355mm

Base An important part of Infant Incubator, and it is mainly composed ofthe Aluminium tank, humidity chamber, air filter, and so on.

Mobile cabinet

A bearing part for the incubator, namely stand, cabinet or VHAcabinet of the incubator. The standard equipment for YP-90 and YP-90B is stand, for YP-90A and YP-90AB is cabinet. VHA cabinet isequipped as an optional part.

Neonate BilirubinPhototherapy

Equipment (for YP-90B,YP-90AB)

It is intended for treating the bilirubin of patient.

This part is mounted on top of Infant Incubator , and its light sourcehas two kinds: fluorescent lamp and LED lamp, the user can choosethis.for the Neonate Bilirubin Phototherapy Equipment with fluorescentlamp, please refer to the user’s manual XHZ-90, while for theNeonate Bilirubin Phototherapy Equipment with LED lamp, pleaserefer to the user’s manual XHZ-90L.

NOTE: Size of Infant Incubator: W600×H1550×D1150mm（YP-90、YP-90B）

W650×H1560×D1440mm（YP-90A、YP-90AB）

The distance from the bassinet to the floor: 950mm

Weight of Infant Incubator ：65Kg（YP-90）

103Kg（YP-90A）

75Kg（YP-90B）

116Kg（YP-90AB）


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b. Install the main body onto the fixed stand

1). See figure 2.2, lock the casters with brake, and put the main body onto the fixed, and connect it

with the lock mechanism on two sides of stand.

Main body of Incubator

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I2

Lock mechanism

II

Fixed Stand

I

(Enlarged figure I) (Enlarged figure II)

1

2

wheel unlocked wheel locked hang on the lock close the lock spanner

NOTE: See Enlarged figure I, lock the casters as the arrow 1 ind icates, and unlock the casters as

the arrow 2 indicates.

See Enlarged figure II, hang on the lock , and close the lock spanner.FIGURE 2.2


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B. The installation of main body onto the cabinet

a. As figure 2.3 indicates, put on the spring washer, flat washer on the casters, and then connect with

cabinet firmly. Note: The caster with brake must be installed in front of the cabinet.

FIGURE 2.3

b. As figure 2.2 indicates, lock the casters with brake, see figure 2.4, and put the guard rail and main

body on the cabinet, and then fix them with the lock mechanism on two sides of cabinet.

Main body of incubator

Guard rail

Lock mechanism

Cabinet

FIGURE 2.4

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C. Install the main body onto the Vertical Height Adjustment Stand

a. The method of installation casters is same as part B.

b. The method of installation main body, guard rail on the Vertical Height Adjustment cabinet same as

part B.

c. After installation, insert the power cord on the right side of Vertical Height Adjustment cabinet into

the power socket in figure 4.2.

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Main body of incubator

Power cord

Guard rail

Lock mechanism

The VHA Stand

FIGURE 2.5

The guard rail ensure grounding th rough bo lt therefore, fixing the guard

railon the cabinet with bolts.

WARNING

Firm the main body onto the fixed cabinet or Vertical Height Adjustment cabinet with lock

mechanism. If not, it will cause the main body to deviate from the fixed cabinet or Vertical

Height Ad justment cabinet when the cabinet tilts, especially when the hood is open.

2. Install the NEONATE BILIRUBIN PHOTOTHERAPY EQUIPMENT, I.V. Pole and shelf

A. Install the NEONATE BILIRUBIN PHOTOTHERAPY EQUIPMENT

Please refer to the method of installation for incubator mounted PHOTOTHERAPY unit XHZ-90 and

XHZ-90L in the accompanying documents.

B. Install I.V. Pole

1) Install the I.V. Pole beside the incubator as figure 2.6 indicates, and then adjust the hook to a

proper height, fix it with the turnbuckle.


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Hexagon bolt

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Fixed seat

Infusion rod

Step 1: loose the hexagon bolts on the fixed seat with spanner, insert the I.V. Pole to the bottom, and fix

the bolt to fasten the infusion rod.

Hook For Infusion Rod

Hexagon Bol t

Step 2: Tight the hexagon bolts on the

bottom of infusion rod to fix the rod.

Step 3: Rotate the hook into the I.V. Pole,

and then tighten the hexagon bolts.

FIGURE 2.6

C. Install shelfUnscrew the hexagon bolts on the fixed seat for shelf, See figure 2.7, and put on the fixed seat on the

infusion rod, see Enlarged figure A, to make sure the top of fixed seat and the position limit mark on the

rod is on same level. And then reinstall the hexagon bolt on the fixed seat.

ENLARGED FIGURE A

Infusion Rod position limit mark

AHexagon Bolt

Fixed Seat

NOTE: when installing the shelf, the side with note label should face the front of incubator.

FIGURE 2.7

3. Insert the power cord

Insert the power cord into the socket of general power supply on the right side of main body; For the

VHA stand, Insert the power cord into the socket of general power supply on the VHA stand.

Check the WARMER according to the instruction in section 2.3.


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2.3 OPERATION CHECKOUT PROCEDURE

WARNING

1. Please stop using this model once some function lost or the spare parts for fron t

access panel is loose.

2. set temperature must be high 3 than ambient temperature. And then you canproceed this checkout procedure.

Please proceed the following checkout procedure each time before operation.

A. Check caster

Check whether the caster can drop when lifting the radiant warmer 2cm above the ground. The drop

of the caster will cause danger during transporting.

IMPORTANT: At least two persons are required, one lifts the warmers, and the other has to check

the casters. It needs Min. 140Kg to l ight the whole unit . Please support the stand withblock to avoid the warmer inclining if the casters drop.

B. START-UP THE CONTROLLER

Turn on the switch of the main power supply and controller, the controller gives sound “Ding”, at the

same time, the Set Temperature indicator does not indicate, while the Ai r Temperature indicator and

Skin Temperature indicator indicates“--.-”, it means the controller is doing self-test automatically for 5s.

After then, the Ai r Temperature indicator will displays air temperature, the Skin Temperature indicator

displays the baby temperature, and Set Temperature indicator displays the former set value, and the

controller can enter into the control mode automatically before turning off, and the relevant mode light will

be on.

C. CHECK POWER FAILURE ALARM

Pull off the power cord of whole unit, the Power failure alarm should active, and the “Power” light will

flash with continuous audible sound.

This operation is used for checking if the power failure is normal or not. Insert the power cord again

after finishing checking.

IMPORTANT: Make sure that the rechargeable battery is fu ll before usage. If not fu ll, it may causethe power failure without the alarming indication. If full, and there is no any

indication after disconnecting the main power supply, please refer to the authorized

and qualified service personnel.

D. CHECK HEATER

Control the environment temperature at 21℃ ~ 26℃, and choose the Ai r Mode, and set the

temperature at 33.0 ℃, and all heat power indicator are on, and heater will output heat completely.

NOTE: When the incubator works under the set state, and continue the following operation

procedure.


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E. CHECK THE ACCURACY OF TEMPERATURE CONTROL

Select the Air Mode, and set the air temperature at 36℃, after the air temperature enters into the

STEADY TEMPERATURE CONDITION, put the calibrated temperature measuring device on the position

above 10cm from the center of mattress to measure the air temperature, compared with the indicated air

temperature to check whether the deviation between them is within 0.8℃.

F. CHECK BABY MODE

Opening

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Arrow Sensor socket

The arrow sign on the plug should aim to the opening on the sensor socket so that the sensor is

inserted correctly.

1. Insert or pull out the skin sensor, you must hold the plug of skin sensor,

pulling the leads is forbidden.

2. Please do not bend the connection of sensor.

When the Ai r Mode works stably, change it into the Baby Mode, set temperature at 37℃. Put the

skin sensor on the center position, and the incubator will give alarm after a while. The “Sensor” alarm

light will flash with continuous audible sound, and the Set Temperature indicator will show alarm code

E0.8.

Pull off the skin temperature sensor, the sensor failure alarm should active. The “Sensor”

alarm light will flash with continuous audible sound, and the Set Temperature indicator will show alarm

code E0.5.

G. CHECK PRECISION OF SKIN TEMPERATURE SENSOR

Put the skin temperature sensor with the mercury thermograph for the accuracy with ±0.1ºC into the

water cup with the temperature as 30ºC±5ºC. Make the probe of the skin temperature sensor and the

mercury ball as closely as possible and stir enough, then read the value of mercury thermograph.

Compare the value of the skin temperature sensor and the mercury thermograph, and the deviation must

be within 0.5ºC.

NOTE: Please check again if the accuracy of the skin temperature sensor exceeds the

permissibility deviation. Please let the authorized and qualified service personnel service

machine if the accuracy the skin temperature sensor exceeds the permissibility of

deviation again.


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H. CHECK FAN MOTOR ALARM

Block the inlet port and outlet port on the left and right side of main deck, after several minutes, the

device gives alarms, the “Fan” alarm light will flash with continuous audible sound, and the Set

Temperature indicator will show alarm code E0.7.

Turn off the power supply of controller, and pull off the power cord, and take out the controller.Reconnect the power cord, and hold the fan slightly, and turn on the switch of controller, and the fan

motor alarm occurs, the “Fan” alarm light will flash with continuous audible sound, and the Set

Temperature indicator will show alarm code E0.9.

WARNING: The temperature of heater inside controller is too high, and you can

remove the controller or touch the heater after the unit is switched o ff at

least 45min to avoid the burnt.

I. CHECK OVER-TEMPERATURE ALARM

In Air Mode, enter into the working state, press Up, Down and Silence/Reset key, there is no

indication on the Set Temperature indicator, and the heat power indicator is on in full, and the controller

has entered into the overtemp checkout state, and when the incubator temperature is less than 38.0 ,℃

the over-temperature alarm should active. The “Over” light should flash with continuous audible sound,

and the Set Temperature indicator should show alarm code E0.6. Under the state of 37

Override

Mode, enter into the working state, press Up, Down and Silence/Reset key, there is no indication on the

Set Temperature indicator, and the heat power indicator is on in full, and the controller has entered into

the overtemp checkout state, and when the incubator temperature is less than 40.0℃, the

over-temperature alarm should active. The “Over” light should flash with continuous audible sound, and

the Set Temperature indicator should show alarm code E0.6.

In Baby Mode, press Up, Down and Silence/Reset key, there is no indication on the Set

Temperature indicator, and the heat power indicator is on in full, and the controller has entered into the

overtemp checkout state, and when the incubator temperature is less than 40.0 , the℃ over-temperature

alarm should active. The “Over” light should flash with continuous audible sound, and the Set

Temperature indicator should show alarm code E0.6.

J. CHECK DEVIATION ALARM

In Ai r Mode, close all door and panels, set the temperature at 32 ºC. Enter TEMPERATURE ALARM

CHECKOUT STATE, fan into the hot air inside the hood. When the Ai r Temperature indicator indicates

35.1ºC, the HIGH deviation alarm will active. The “High” light should flash with continuous audible sound,

and the Set Temperature indicator should show alarm code E1.0; Set the temperature at 35℃, after the

device enters into the TEMPERATURE ALARM CHECKOUT STATE, open the front access panel, when

the Ai r Temperature indicator indicates 31.9 ºC, the low deviation alarm should active. The “Low” light

should flash with continuous audible sound, and the Set Temperature indicator should show alarm code

E1.1.

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NOTE: If the system can not enter into the TEMPERATURE ALARM CHECKOUT STATE or the air

temperature does vary within ±3

than the sett ing temperature, the deviation alarm

can not occur.

In Baby Mode, set the temperature at 35 ºC. Enter TEMPERATURE ALARM CHECKOUT STATE,

put the skin sensor into the water cup at 37 ºC. When the skin temperature indicates 36.1 ºC, the high

deviation alarm will active. The “High” light should flash with continuous audible sound, and the Set

Temperature indicator should show alarm code E1.0; Set the temperature at 35℃, after the device

enters into the TEMPERATURE ALARM CHECKOUT STATE, put the skin sensor into the water cup at

temperature 33℃, when the skin temperature indicates to 33.9ºC, the low deviation alarm should active.

The “ Low” light should flash with continuous audible sound, and the Set Temperature indicator should

show alarm code E1.1.

NOTE: If the system can not enter into the TEMPERATURE ALARM CHECKOUT STATE or the

baby temperature does vary within ±1 than the sett ing temperature, the deviation

alarm can not o ccur.

K. CHECK THE HOOD OPERATION

See the following figure, raise the hood until you hear the sound “kata”, and the hood is in the lock

state. Press the lock downward as the arrow indicates so that the hood can return the original position.

CAUTION: Before raise the hood, ensure all accessories is disconnected to avoid interfere

operating.

2-9I2

Disconnect the skin sensor, slowly tilt the pressing the lock as the arrow indicates, and close

Hood back until the Hood locks in place. the hood slowly.


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L. CHECK FRONT ACCESS PANEL

The Pawl Latch

LOCKED UNLOCK

Rotate the panel Latches and open the Access Pane to the full open position (rotate downward).

Close the Access Panel and rotate both latches until they are fully locked. Both latches must be fully

locked to avoid accidental opening of the panel.

M. CHECK IRIS ENTRY PORTS

Rotate the outer ring of each entry Port, the port should be open and close as rotation is continued

through 360 degree.

N. CHECK THE LATCH AND GASKET OF ACCESS DOOR

Press on-off of each access door to open it automatically and check the seal of gaskets.

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2-11I2

O. CHECK MATTRESS TILT MECHANISM

The mattress tilt mechanism to adjust it.

P. CHECK BASSINET

Open the Access Panel and slide it out to the fully extended position indicated by the arrow. Lean on

Mattress Tray to make sure it is properly supported to provide a firm infant platform. Return the mattress

and close Access Panel.

Q. CHECK THE AIR INTAKE FILTER

Loosen the two thumb screws of the Air Intake Filter Cover and remove the cover and inspect the

filter, if dirty, it should be cleaned. Put the filter cover back.


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WARNING: A dirty Air Intake filter may affect oxygen concentration and/or cause Carbon

Dioxide build-up. The filter must be checked on a routine basis and changed at

least every two months.

R. CHECK THE HIGHT ADJUSTMENT OF THE CABINET

Step the Up and Down button with your feet to adjust the height of whole unit.

Down foot button

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I2

Up foot button

S. CHECK OXYGEN INPUT VALVE

Connect the oxygen tube on the monitor with the oxygen input valve on back of incubator (see

following figure), and make sure its seal. Input the 8lpm of oxygen, monitor it with a calibrated oxygen

analyzer inside hood, check whether the indicated value of oxygen analyzer reach the predicted level as

indicated on the oxygen concentration table.

T. CHECKOUT PROCEDURE ENDS


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TABLE 1.1 SPECIFICATIONS (continued)

Deviation of air and isolated sensor failure…………………………………………… Alarm code E0.3

Ai r f low temperature sensor fai lure……………………………………………………… Alarm code E0.4

Skin temperature sensor failure………………………………………………………… Alarm code E0.5

Over-temp failure…………………………………………………………………………… Alarm code E0.6

Ai r cycle fai lure …………………………………………………………………………… Alarm code E0.7

Wrong position of skin sensor failure…………………………………………………… Alarm code E0.8

Fan motor failure…………………………………………………………………………… Alarm code E0.9

High deviation alarm……………………………………………………………………… Alarm code E1.0

Low deviat ion alarm………………………………………………………………………… Alarm code E1.1

Internal system failure……………………………………………………….. Alarm code H0.1～H1.3

ENVIRONMENT TEMPERATURE

Operating Range…………………………………………………………………………………+20～+30℃

Storage Range……………………………………………………………………………………-40～+55℃

ENVIRONMENT HUMIDITY

Operating Range……………………………………………………………………………………30-75%RH

Storage Range………………………………………………………………………………………< 93%RH

ATMOSPHERIC PRESSUR

Shipment and Store atmospheric pressure range……………………………………500hPa-1060hPa

Operating atmospheric pressure range………………………………………………700hPa-1060hPa

AIR VELOCITY

Ambient Air Veloci ty…………………………………………………………………………………< 0.3m/s

OTHER SPECIFICATION

Noise level within Hood Environment…………………………………………………………< 50dB(A)

Related ambient noise should be


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3-3

I2

3.2 WORKING PRINCIPLE

3.2.1 General

This section contains a functional description and detailed theory of operation of the equipment. A

system block diagram of the Controller is shown in Figure 3.2 and 3.3. The control of temperature is achieved by means of air circulation system as shown in Figure 3.1.

A controlled amount of room air is drawn through the air intake filter by means of the motor-driven

impeller on the Controller and then drawn back to motor though air return filter. Circulated air flows

through temperature sensing sensor. Temperature Controller automatically modulates the temperature

inside Hood according to the temperature sensed by the air temperature sensing sensor.

Heat output control under air mode: control the output of heater according to the air temperature

automatically;

Heat output control under baby mode: control the output of heater according to the skin

temperature automatically.

FIGURE 3.1


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3-4

I2

A A

B

FIGURE 3.2 CONTROL BLOCK DIAGRAM

MAIN

MCU

Keypad control

Indicator

I/O control

Fan motor checking

Temperature heatercontrol

ADC

Air Temperature sensor

AUXILIARYMCU

Skin temperature sensor

Air flow temperature sensor

ADC Isolated temperature sensor

Temperature heater control


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Start

INT1

Initialization

Real timer

Data displayReturn

3-5

I2

INT0

Timer interruption

Series portinterruption

FIGURE 3.3 PROCEDURE BLOCK DIAGRAM

Key input

Data handling

Heating control

Trouble checking

Alarmidentification

YES

NO

Data display

Key handling

YES

NO

ADC Sampling

Return

Timer

Return

Data transfer

Return


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3-6

I2

3.2.2 Temperature Control

In baby Mode, the controller will control the incubator temperature automaticlly to keep the air

temperature close to the set value. Comparing the air temperature and the air set temperature, the

controller will adjust the heat output proportion to keep the heat balance inside hood. The other probe

inside of air sensor is regarded as the isolated temperature sensor, when set temperature is ＜ 37ºC

incubator temperature must be≤38.0ºC (while when set temperature is ＞ 37ºC incubator temperature

must be≤40.0ºC ), the heater is cut off automatically.

In Air Mode, the controller will control the incubator temperature automaticlly to keep the skin

temperature close to the set value. Skin sensor is attached to the skin of patient. Comparing the skin

temperature and the skin set temperature, the controller will adjust the heat output proportion to keep

the heat balance inside hood. In the whole baby mode, the isolated temperature sensor of air sensor is

always monitor the inside temperature, when the incubator temperature is ≤40ºC, the heater is cut off

automatically.

When the baby mode is working, if the skin temperature sensor drops from the socket, the skin

temperature indicator displays “--.-”, the sensor alarm actives and the heater is cut off automatically.

3.2.3 Alarm

Alarm is used for monitoring the temperature control system state. The system will check the state

by the alarm checkout procedure. When the checked data is abnormal, it will alarm. Table 3.2 listed

alarm condition.

TABLE 3.2 ALARM

ALARM MESSAGE DESCRIPTION

Power Failure indicator is onIf the mains power supply fails or no power supply, the “ POWER” alarm with audible and visual will active.

Code

E0.1

In air mode, If short-circuit or open-circuit or bad connection occurs on the air temperature sensor, at the same time, heater stops

working, press Silence/Reset Key to clear alarming for 4min,please refer to the service part.

CodeE0.2

If short-circuit or open-circuit or bad connection occurs on theisolated temperature sensor, at the same time, heater stopsworking, press Silence/Reset Key to clear alarming for 4min, pleaserefer to the service part.

Sensor Alarmindicator is on

CodeE0.3

If the deviation between the air temperature and isolatedtemperature sensor is more than 0.8℃, at the same time, heaterstops working, press Silence/Reset Key to clear alarming for 4min,

please refer to the service part.


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3-7

I2

TABLE 3.2 ALARM


CodeE0.4

If short-circuit or open-circuit or bad connection occurs on the air flow

temperature sensor, at the same time, heater stops working, pressSilence/Reset Key to clear alarming for 4min, please refer to theservice part.Sensor Alarm

indicator is on

CodeE0.5

In baby mode, If short-circuit or open-circuit or bad connection occurson the skin temperature sensor, at the same time, heater stops working, press Silence/Reset Key to clear alarming for 4min, please refer to the service part.

In the air mode, when the incubator temperature is less than 38℃ (set temperature ＜37℃) or less than 40℃(set temperature ＞37℃), atthe same time, heater stops working, press Silence/Reset Key toclear alarming for 4min, it can not reset after clearing the failure,

press Silence/Reset Key to clear alarming

Over-Temp

Alarm indicator ison

CodeE0.6

In the Baby mode, when the incubator temperature is less than 40℃,at the same time, heater stops working, press Silence/Reset Key toclear alarming for 4min, it can not reset after clearing the failure,press Silence/Reset Key to clear alarming

Fan alarm indicatoris on

CodeE0.7

The cycle air flow way of incubator is blocked. at the same time, heater stops working, press Silence/Reset Key to clear alarming for 4min, itcan reset when the failure does not exist.

Sensor Alarmindicator is on

CodeE0.8

In baby mode, If the temperature of skin temperature sensor is always lower 2℃ than the set temperature or more, heater stops working, press Silence/Reset Key to clear alarming for 4min, it can resetwhen the failure does not exist.

When the fan motor stops working, at the same time, heater stopsworking, press Silence/Reset Key to clear alarming for 4min, pleaserefer to the service part.

Fan alarm indicatoris on

codeE0.9

When the wind speed is lower than 1000rpm, at the same time, heater stops working, press Silence/Reset Key to clear alarming for 4min,please refer to the service part.

In air mode, If the air temperature is higher 3℃ than the set

temperature, heater stops working, press Silence/Reset Key to clearalarming for 4min, it can reset when the failure does not exist.HIGH Deviation

Alarm indicatoris on

CodeE1.0

In baby mode, If the air temperature is higher 1℃ than the settemperature, heater stops working, press Silence/Reset Key to clear alarming for 4min, it can reset when the failure does not exist.

LOW Deviation Alarm indicator is

on

CodeE1.1

In air mode, If the air temperature is lower 3℃ than the settemperature. At this time, the heater keeps working, pressSilence/Reset Key to clear alarming for 4min, it can reset when thefailure does not exist.


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3-8

I2

TABLE 3.1 ALARM (CONTINUE)


CodeH0.1

ROM inside of main MCU fails. At this time, the heater will stop working ,

press Silence/Reset Key to clear alarming for 4min, please refer to theservice part.

CodeH0.2

Internal system inside of main MCU fails. At this time, the heater will stopworking, press Silence/Reset Key to clear alarming for 4min, please referto the service part.

CodeH0.3

Communication of main and auxiliary MCU A fails, At this time, the heater will stop working, press Silence/Reset Key to clear alarming for 4min,please refer to the service part.

Code

H0.4

ROM inside of auxiliary MCU fails, At this time, the heater will stopworking, press Silence/Reset Key to clear alarming for 4min, pleaserefer to the service part.

CodeH0.5

Internal system inside of auxiliary MCU fails, At this time, the heater willstop working, press Silence/Reset Key to clear alarming for 4min, please refer to the service part.

CodeH0.6

E2ROM inside main MCU fails, At this time, the heater will stop working ,press Silence/Reset Key to clear alarming for 4min, please refer to theservice part.

CodeH0.7

SRAM failure (including system cord failure). At this time, the heater willstop working, press Silence/Reset Key to clear alarming for 4min, please refer to the service part.

CodeH0.8

Main ADC failure(e.g., auxiliary system TLV2548, including wrong sample,chip damage, no response and so on). At this time, the heater will stop working, press Silence/Reset Key to clear alarming for 4min, please refer to the service part.

CodeH0.9

Auxil iary ADC failure(e.g., auxil iary system TLV2544, including wrongsample, chip damage, no response and so on). At this time, the heaterwill stop working, press Silence/Reset Key to clear alarming for 4min,please refer to the service part.

CodeH1.0

Heat circuit failure(e.g., heater, solid relay, mechanical relay and allcontrol circuit fails). At this time, the heater will stop working, pressSilence/Reset Key to clear alarming for 4min, please refer to the service

part.

Code

H1.1

The timer RTC inside the system fails or is not accurate, At this time, the heater will stop working, press Silence/Reset Key to clear alarming for4min, please refer to the service part.

Code

H1.2

If the keyboard circuit is broken, At this time, the heater will stop working,press Silence/Reset Key to clear alarming for 4min, please refer to theservice part.

The system

indicator is on

Code

H1.3

If the battery inside of the controller is error, At this time, the heater willstop working, press Silence/Reset Key to clear alarming for 4min, pleaserefer to the service part.


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SECTION 4CLEANING AND MAINTENANCE

4.1 GENERAL

The section provides cleaning and maintenance instructions.

WARNING

1.Disconnect all the connections with oxygen feeding device before cleaning and

maintenance. Cleaning or maintenance in the environment full with oxygen will cause

fire or explosion.

2. The incubator with cabinet adopts the connector of power cord as the isolation

mains power supply, therefore, to make sure the safety, and pull off all power cord

before cleaning.

4.2 CLEANING

This device must be cleaned and sterilized for the first time for initial use, or after used it for

one week.

4.2.1 DISASSEMBLY BEFORE CLEANING

NOTE: Please do not assemble the spare parts for regular cleaning, and it is unnecessary

to depart the base and the cabinet. If need to disassemble, please refer to the

section about assemble.

A. Remove the controller

Disconnect the Power Cord and Sensors from the side of the Incubator. Release the latch on

each side of the Controller as shown in Figure 4.1 to take out the controller.

Latch

Take out the Temperature Controller asindicated by the arrow.

WARNING: The controller can be taken out from the incubator, when the

Spanner pull out to >90° direction.

4-1I2

WARNING: The Controller heater can be sufficiently hot to cause burns;

avoid removing the Controller or touching the heater until theunit has been switched off for at least 45 minutes.

FIGURE 4.1


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D. Remove Air Intake Tube Connector

See Figure 4.4, Move the Air Intake Tube out in direction of arrow 2 after disconnecting Air

Intake Tube from Air Tube Connector in direction of arrow 1 .

4-3I2

FIGURE 4.4

E. See figure 4.6, take out the Humidity baffle. See step P in section 2.3, remove 2pcs bolts

on the air filter cover, and take out the air filter.

F. Remove the Access door gasket and Access door cuff, and Iris port sleeve from hood.

G. Remove the soft tubing from hood.

4.2.2 CLEANING PROCEDURE

CAUTION: Some chemical cleaning agents may be conductive and/or leave a residue

which may permit a build-up of dust or dirt which may be conductive. Do not

permit cleaning agents to contact electrical components. Do not spray

cleaning solu tions onto any of those surfaces.

A. Clean the skin temperature sensor

Use a disinfectant-detergent to thoroughly clean all surfaces; then dry with a clean cloth or

paper towel.

CAUTION: Do not steep Sensor in to d isinfectant-detergent.

B. Clean the Soft tubing, Main Deck Seal, Gaskets, Iris Port Sleeves, Air Intake Tube

Allow parts to soak as recommended by the cleaning solution’s manufacturer, then remove

them and dry completely with a clean cloth or paper tower.

C. Clean the Hood

Use a disinfectant-detergent to thoroughly clean all surfaces, including all holes, indentations,

Access Doors and Iris Ports then dry them with a clean cloth or paper towel.

CAUTION: Alcohol can cause crazing of the clear Acrylic panel. Do not use alcohol,

acetone, or any organic solvents for cleaning. Do not expose the panel

assembly to direct ultraviolet radiation.


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D. Clean the controller

Use detergent to clean the all surfaces thoroughly, then be especially careful when cleaning

fans, heater and surface of air temperature sensor. Then dry them with clean cloth.

CAUTION: Pay particular attention to avoid liquid seeping into the Controller Hood.

clean the surface of controller after the heater becomes cold .

WARNING: Failure to c lean the Heater and Fan Impeller could result in sufficient lint build -

up to reduce airflow, which will affect temperature control and cause high CO2

concentration.

E. Clean the bassinet, Main Deck, shelf

Use a disinfectant-detergent to thoroughly clean all surfaces then dry them with a clean cloth

or paper towel.

CAUTION: Do not lubricate the Mattress Tilt Mechanism with oil or other potentially

F. Clean Mattress Cover

Use a disinfectant-detergent to thoroughly clean it and sun it after washing it with clean water.

G. Clean Air filter


Access Doors and Iris Ports then dry them with a clean cloth or paper towel. If the air filter is dirt

or is used for more than 2 months, please replace it.

H. Clean Water tank and Humidity chamber fill spout

Fill the humidity chamber with a disinfectant-detergent, completely cleaning the water

chamber and cup inside and outside. (see figure 5.5)Drain the humidity chamber, scrub it

thoroughly, including all indentations, then try the chamber and water cup with a clean cloth or

paper towel. After scrubbing, continuous rotating water cup per counter-clockwise until it take out

for separate scrubbing.

FIGURE 4.5

4-4I2


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I. Clean NEONATE BILIRUBIN OHOTOTHERAPY EQUIPMENT

See the user’s manual for XHZ-90 and XZH-90L.

J. Clean surface of device


Access Doors and Iris Ports then dry them with a clean cloth or paper towel.

4.2.3 REASSEMBLY AFTER CLEANING

NOTE: Before reassembling parts into Incubator, check carefully if there is any crack or

damage. Some disinfectant-detergent may cause crazing of plastic parts in

Incubator.

A. Install Buffer, Humidity chamber fill spout, Air Filter

Place the Buffer into Trough as described in Figure 4.6 in correct direction. Humidity

chamber fill spout is rotated clockwise to its original position and placed into the Air Filter Cover.

All the screws should be tightened.

4-5I2

Correct Position Wrong Position

FIGURE 4.6

B. The Air Intake Tube should be installed by reversing the procedure , Installed Air Intake

Tube must comply to Figure 4.7.

NOTE: Air Intake Tube must be placed inside the Air Intake Tube Connector and

completely sealed.

FIGURE 4.7


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C. Place Main Deck back and install the seal on it.

WARNING: Be sure the two thumb screws that hold the bassinet are tigh tened. The

right side and the wrong side of seal must be placed in the right

position, and make sure the airproof to avoid the inepuality of heating

towards the bed.

D. Install Controller back according the oposite order , see figure 4.1.

Controller is the key unit of Incubator and must be installed carefully.

Insert Controller into Base Assembly. After the whole part is inserted into Base Assembly,

depress the snaps at both sides of Controller until they are parallel to the side then pull the

Controller outward. If the Controller is not loosened, it is already locked. (See Figure 4.8)

CORRECT INSTALLATION STATE

FIGURE 4.8

E. Rotating the iris entry sleeves , see figure 4.9.

Step 1: Install the elastic band over the inner ring of the port housing. Fold back and slip

elastic band over the outer ring of the port housing.

4-6I2


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Step 2: Rotate outer ring to close. If properly installed, the sleeve will open again if rotation is

reversed.

FIGURE 4.9

F. See figure 4.10, install the Access door gasket, and then install the Access door cuff.

access door gasket, inner wall of hood, Access door wall, outside wall of hood, installation groove

of Access door cuff.

Access door wall

Inner wall of hood

4-7I2

Access door gasket

Outside wall of hood

Installation groove of Access door cuff

FIGURE 4.10

G. Install the soft tubing in figure 4.11.

NOTE: The opening of soft tubing should face outward.

FIGURE 4.11


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4-8I2


H. Install the Mattress cover with the mattress, and put the bassinet inside hood according to

the oposite order. (see Figure 4.2)

WARNING: Place the bassinet as the label ind icates on the infant bed.

4.3 STERILIZATION

NOTE: Please do not steam autoclave.

Please sterilize under low temperature, e.g., gas sterilization.

Clean the incubator before gas sterilization.

WARNING: Please remove the control ler when do gas s terilization, or else, it wi ll cause

danger.

After gas sterilization, there will be ventilation of 16 ~ 24hrs, and then put back the controller.

During the whole ventilation, the incubator shoule work under the dry environment of 32℃~ 35℃.

After ventilation, please cover the dustproof cover if do not use the infant incubator.

CAUTION: The temperature of sterilization should not exceed 54.5 .

IMPORTANT: Please check all parts prior to use.

4.4 MAINTENANCE

Please check the condition of the build-in rechargeable battery before the first use of device

or in the alternation of device using.

A. Operate the unit for a period of 12 to 24 hours.

B. Trigger a power failure alarm by disconnecting the AC power cord.

C. The power failure alarm should activate and continue to alarm for at least 10 minutes.

D. Reconnect the unit to the AC line and recharge the battery.

If the power failure alarm cannot last more than 10 minutes, please replace the rechargeable

battery. For the replacement of battery, please refer to section 5.


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SECTION 5SERVICE

5.1 GENERAL

This section provides system setting procedure and the troubleshooting procedure of these parts:

replacement of Fuse, Internal charging Battery and Controller.

5.2 REPLACEMENT OF ELEMENT

5.2.1 REPLACEMENT OF FUSE

Open Temperature Controller, replace the same type fuse with same specification accorind to the

label on the circuit board.

NOTE: When replacing the fuse, switch off the power supp ly and disconnect the power cord.

5.2.2 REPLACEMENT OF INTERNAL BATTERY

See figure 5.1, Open Controller, and disonnect the battery fastener and the internal charing battery,

and take out the baffle to replace the battery.

5-1I2

Battery Fastene Internal Charing Battery Baffle

FIGURE 5.1

NOTICE: 1.During replacing the internal battery, the plastic washer should be placed the orig inal

position, and keep correct connection between the anode/ cathode of battery and its

fastener;the faulty connection will cause the damage to the battery and no hont for

power failure alarm.

2.Please replace theb internal battery after using it for three years.

3. Battery will be automatically charged when the temperature control ler works,

charging the battery outside of the incubator is fo rbidden.

4.The charging battery inside the wartmer is GP17R8H Ni-MH8.4V/170mAh, to ensure

safety, do not d isassemble battery. Connect the battery correctly, do not use other type

battery.

5.It will not influence battery charging and the battery capacity when the battery is full.

(Switch on controller)

6. Please do not th row the old battery into f ire or water to avoid explos ion or l eakage.7.Please dispose the Old battery accoring to local law, and please do not throw them

away randomly.


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5.3.3 PROCEDURE

At first, connected power supply, press and hold Set key for 2s as soon as switch on until Ai r

temprature indicator displays “ --.-“, and no display on Skin and Set temprature indicator. And then,

press Up or Down until Ai r temprature indicator displays “78.6”, after then, press Set key to enter into

the system set screen, or press Silence/Reset key to exit.

After entering into the set screen, Set temprature indicator displays set code, Ai r temprature

indicator displays the specific set data.

Turn on the power switch

5-3I2

Press and hold the for 3s

Enter password

Press key, EXIT Press or key to enter password 78.6,

Then press key to confirm

Error Password check

YES

System setting screen

Press key or Key, set temperature indicator displays

the set code

Press or Key can change

current set value

END

Press key Press and together

SAVE and EXIT Return to original set

Brightness set of indicator

Figure 5.2


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5-4I2

CODE 00.1 LED Lightness set

Indicate the lightness , and set range is 00.1~01.5. The larger the lighter.

CODE 00.2 Air temperature sensor compensation

Set value of temperature compensation for air temperature sensor , and set range is -5.0~05.0 ,the first figure of set value means the increasing and decreasing value. For Example, 00.2℃ means

that the air temperature adds 0.2 as℃ compensation. -1.3℃ means that the air temperature reduces

1.3 as℃ compensation.

CODE 00.3 Air flow temperature sensor compensation

temperature compensation for air flow temperature sensor , and set range is -5.0~05.0 , the

first figure of set value means the increasing and decreasing value. For Example, 00.2℃ means that

the air flow temperature adds 0.2 as℃ compensation. -1.3℃ means that the air flow temperature

reduces 1.3 as℃ compensation.

CODE 00.4 Skin temperature sensor compensation

Set value of temperature compensation for skin temperature sensor , and set range is

-5.0~05.0 , the first figure of set value means the increasing and decreasing value. For Example,

00.2℃ means that the skin temperature adds 0.2 as℃ compensation. -1.3℃ means that the skin

temperature reduces 1.3 as℃ compensation.

CODE 00.5 Machine Number

Set method of machine number, and set range is 00.0~02.0. For example, 00.1 measn No. 1

machine, 01.5 means No. 15.

CODE 00.6 Motor speed alarm value

Set method of fan speed, and set range is 00.0~25.5. Every 0.1 means 20 rpm. For example,

05.0 means 1000 rpm. Alarm will be active if the fan speed is lower than this value.

CODE 00.7 Set value of Low deviation for air temperature

Set method of low deviation alarm in air mode, and set range is 00.0~05.0. For example, 00.8

means 0.8 .℃

CODE 00.8 Set value of High deviation for air temperature

Set method of high deviation alarm in air mode, and set range is 00.0~05.0. For example, 00.8

means 0.8 .℃

CODE 00.9 Set value of low deviation for skin temperature

Set method of low deviation alarm in skin mode, and set range is 00.0~05.0. For example, 00.8

means 0.8 .℃

CODE 01.0 Set value of high deviation for skin temperature

Set method of high deviation alarm in skin mode, and set range is 00.0~05.0. For example, 00.8

means 0.8 .℃


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5-5I2

CODE 01.1 Minimum set value of air temperature

Set method of Minimum set value of air temperature, and set range is 20.0~34.0. For example,

25.0 means Minimum set value 25.0 .℃

CODE 01. 2 Maximum set value of air temperature

Set method of Maximum set value of air temperature in mode of>37.0℃ , and set range is

37.0~39.0. For example, 39.0 means Maximum set value 39.0 .℃

CODE 01.3 Minimum set value of skin temperature

Set method of Minimum set value of skin temperature, and set range is 30.0~34.0. For example,

34.0 means Minimum set value 25.0 .℃

CODE 01.4 Maximum set value of skin temperature

Set method of Maximum set value of skin temperature in mode of>37.0℃ , and set range is

37.0~39.0. For example, 39.0 means Maximum set value 39.0 .℃

CODE 01.5 Set value of Over temperature alarm A (＜37℃）

Set method of Over temperature alarm in air mode (set temperatuer ＜37℃）, and set range is

37.5~39.0. For example, 38.0 means over-temp alarm value 38.0 .℃

CODE 01.6 Set value of Over temperature alarm B (＞37℃)

Set method of Over temperature alarm in air mode (set temperatuer ＞37℃）, and set range is

38.5~40.0. For example, 40.0 means over-temp alarm value 40.0 .℃

CODE 01.7 Set value of air flow Over temperature alarm A (＜37℃）

Set method of alarm value for air flow blocked (set temperatuer ＜37℃）, and set range is

38.5~48.0. For example, 45.0 means alarm value for air flow blocked 45.0℃

CODE 01.8 Set value of air flow Over temperature alarm B (＞37℃)

Set method of alarm value for air flow blocked (set temperatuer >37℃）, and set range is 40.5~52.0.

For example, 45.0 means alarm value for air flow blocked 45.0℃


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5.4 TROUBLESHOOTING PROCEDURES

5.4.1 GENERAL

Troubleshooting guides for the Controller are provided in Paragraph 5.4.3 and Paragraph 5.4.4.

Paragraph 5.4.3 provides the alarm code when the controller alarms. Paragraph 5.4.4 provides

troubleshooting in the form of flowcharts.

It is confi rmed that the system settings are correct before troubleshooting.

5.4.2 TEST EQUIPMENT REQUIRED

The test equipment listed below is required for troubleshooting the Controller. Equivalent test

equipment may be substituted.

Digital VOM, FLUKE 8060A

31.0℃ Air Temperature Simulation

5-6I2

Resistor

Resistor R=23166Ω/0.25W/0.5%

31.0℃ Air flow Temperature Simulation

Resistor

Resistor R=23166Ω/0.25W/0.5%

31.0℃ skin Temperature Simulation

Resistor R=23166Ω/0.25W/0.5%

5.4.3 TROUBLESHOOTING

All alarms have the relevant alarm code except for the power ailure alarm, please refer to Table 5.1.

TABLE 5.1 ERROR CODES

ALARM CODE TYPEEXPLANATION AND

CORRECTIVE ACTION

E0.1 Air temperature sensor failure alarm Refer to Flow chart 5.1

E0.2 Isolated temperature sensor alarm Refer to Flow chart 5.2

E0.3 Air temperature deviation failure alarm Refer to Flow chart 5.3

Resistor


45/103

SERVICE MANUAL FOR I FANT INCUBATOR EDITION/REVISION B/0 N

5-7I2

TABLE 5.1 ERROR CODES (Continued)

ALARM CODE TYPEEXPLANATION AND

CORRECTIVE ACTION

E0.4 Air flow sensor alarm Refer to Flow chart 5.4

E0.5 Skin temperature sensor failure alarm Refer to Flow chart 5.5

E0.6 Over temperature failure alarm Refer to Flow chart 5.6

E0.7 Air circulation failure alarm Refer to Flow chart 5.7

E0.8 Wrong position of skin sensor alarm Check the position of skin sensor

E0.9 Fan motor stop alarm Refer to Flow chart 5.8

E1.0 High deviation temperature failure alarmCheck whether there is heat sourcenearby, if yes, please leave far away

from the heat source.

E1.1 Low deviation temperature failure alarmCheck the close condition of all doorsand panels

H0.1 ROM failure alarm inside of Main MCU Replace Main MCU

H0.2Internal system failure alarm inside ofMain MCU

Replace Main MCU

H0.3 communication failure alarm

1. Check the connection of circuitbetween the main MUC and auxiliaryMCU2. Replace main MUC and auxiliaryMCU

H0.4 ROM failure alarm inside auxiliary MCU Replace auxiliary MCU

H0.5Internal system failure alarm insideauxiliary MCU

Replace auxiliary MCU

H0.6 E2PROM failure alarm Replace Main MCU

H0.7 SRAM failure alarm Replace U13 on mian board

H0.8 Main ADC failure alarm Refer to Flow chart 5.9

H0.9 Auxiliary ADC failure alarm Refer to Flow chart 5.10

H1.0 Heat system failure alarm Refer to Flow chart 5.11

H1.1 Real timer RTC failure alarm Replace U20 on mian board

H1.2 Keyboard fault alarmWhen the key board of the control panelon controller short-circuit alarms, pleasereplace the control panel.

H1.3 Battery failure alarm

Inner storage battery failure alarm:1. Check the wire connection betweenthe inner storage battery and the powerboard.

2. Replace the inner storage battery.

Power failure alarm Refer to Flow chart 5.12


46/103


5.4.4 TROUBLESHOOTING FLOW CHART

Before troubleshooting, forst, please switch off, and disconnect the power cable, and then open the

top cover of warmer module and the back cover of column. And then connect the power cable and turn

onthe switch, at the same time, make sure that power +5V, +12V of controller, element, and all cables

are in good condition.In working state, press Up Key and Air mode Key , you can find the isolated

temperature and air flow temperarture in the air and set temperature indicator respectively. So it is easy

for service man to find the cause of trouble.

AIR TEMPERATURE SENSOR FAILURE ALARM E0.1

``

no

Good conection? Check connection of air temperature sensor,

and the wiring of all circuit board

The 31.0℃±0.2℃ Air Temperature Simulation (decade

Equal to 23166Ω±182Ω)is instead of the air

temperature sensor, turn on power supply

the temperature display is

31.0℃ and add the no

compensation temperature alarm E0.1? Replace the air temperature sensor

of system set procedure

yes

on the main board U11-6 is 2.3V? no check the connect to R21, U1-6

Yes

CHECK U11

FLOW CHART 5.1 AIR TEMPERATURE SENSOR FAILURE

5-8I2


47/103


ISOLATED TEMPERATURE SENSOR FAILURE ALARM E0.2

``

no

Good conection? Check connection of isolated temperature

sensor, and the wiring of all circuit board


Equal to 23166Ω±182Ω)is instead of the isolated


See 5.4.4, the isolated no

temperature is 31.0℃ alarm E0.2? Replace the isolated temperature sensor

yes

no

on the main board U21-6 is 2.3V? check the connect to R16, U21-6

Yes

Check U21

FLOW CHART 5.2 ISOLATED TEMPERATURE SENSOR FAILURE

5-9I2


48/103


Air temperature deviat ion failure alarm E0.3

``

no

Good conection? Check connection of isolated temperature

sensor, and the wiring of all circuit board


Equal to 23166Ω±182Ω)is instead of the air and isolated


See 5.4.4, check whether

The air temeprature and no

isolated tempertire is alarm E0.3? Replace sensor

added the temperature

compensation based on 31.0℃

yes

U11-6, no

on the main board U21-6 is 2.3V? check the connect to R16 and U21-6,

R21 and U11-6

Yes

Replace U11 or U21

FLOW CHART 5.3 AIR TEMPERATURE DEVIATION FAILURE

5-10I2


49/103


Air f low sensor fai lure alarm E0.4

``

no

Good conection? Check connection of sensor,and the wiring of all

circuit board


Equal to 23166Ω±182Ω)is instead of air flow


See 5.4.4, check whether

The air temeprature and no

isolated tempertire is alarm E0.4? Replace air flow sensor

added the temperature

compensation based on 31.0℃

yes

no

on the main board U11-8 is 2.3V? check the connect to R23 and U11-8

Replace U11

FLOW CHART 5.4 AIR FLOW SENSOR FAILURE

5-11I2


50/103


51/103


Over-temp failure E0.6

yes

Is there heat source nearby? Far away from the heat source

5-13I2

no

yes

Air and isolated temperature Check air and isolated temperature sensor

Sensor is OK?

no

Replace air and isolated temperature sensor

FLOW CHART 5.6 OVER TEMPERATURE FAILURE

Check whether the inlet

Or outlet is blocked

Air c irculat ion failure alarm E0.7

Check the air flow condition of inlet and outlet

FLOW CHART 5.7 AIR CIRCULAATION FAILURE


52/103


Fan Motor Failure Alarm E0.9

Motor rotating no Motor input terminal no Check the power cord

Is AC power?

yes

yes

on the power Pulse at no Check the Capacitor no

supply board U5-2? fan detected CM is good Replace the capacitor CM

board

yes yes

5-14I2

no Replace the Motor

on the power Pulse at Check U5

supply board U5-3

yes

on the main no

board Pulse U12-16? check the connection between the main board

and the power supply board

yes

Check U12

FLOW CHART 5.8 FAN MOTOR FAILURE ALARM( SHEET 1 OF 2)


53/103


Slow Motor Speed Alarm E0.9

yes

Motor input no

Voltage is ok? Check the power input

yes

no

Capacitor Replace the capacitor CM

CM is good

yes

Replace the motor

FLOW CHART 5.8 FAN MOTOR FAILURE ALARM ( SHEET 2 OF 2)

5-15I2


54/103


Connection of U11

and U12 is OK?

Check the jumper wire of

U11-13, R5, R6

noPin of U11-13 is

+2.5V?

no

Check R5, R6Crosspoint of R5

and R6 is +2.5V?

Main ADC failure alarm H0.8

On main board

On main board

Check the connecting wireOn main board

Replace U11

FLOW CHART 5.9 MAIN ADC FAILURE ALARM

5-16I2


55/103


5-17I2

Check the connecting wireConnection of U21

and U18 is OK?

Check the jumper wire of

U21-9, R14, R15

noPin of U21-9 is

+2.5V?

no

Check R14, R15Crosspoint of R14

and R15 is +2.5V?

Auxi liary ADC fai lure alarm H0.9

On main board

On main board

On main board

Replace U21

FLOW CHART 5.10 AUXILIARY ADC FAILURE ALARM


56/103


Heat circuit failure alarm H1.0

Disconnet power supply, measure resistance of two

terminals for heater

5-18I2

yes

Replace heater

no

Heater is open circuit or

short circuit?

Conneat power board and main board

Element number from here is on

power board

Connect pin 1 (ssr-ctr) and pin 3

(relay-ctr) on J8 to VCC power make two

conrol signals high level

no

Base of triode Q2, Q3

is >0.7V?

Check triode Q2, Q3

and resistor R8,R9

yes

nothere +12V on solid

relay and control

terminal of relay K1

Replace triodeQ2 or Q3

yes

To sheet 2

FLOW CHART 5.11 HEAT SYSTEM FAILURE (SHEET 1 OF 4)


57/103


From sheet 1

Output terminal of solid

relay and relay K1 can

work?

no Replace solid relay

or relay K1

yes

Voltage of U1-2 is

> 5mV

yes

no

Check inductor T1

Base of triode Q1

>0V?

yes

noBase of triode Q1

>0.7V?

yes

no

Voltage of U1-1

is >2V?

Check U1,R1 ,C4

Check R2,R6,C5

no

Repalce triode Q1

Connet pin 1 (ssr-ctr) and pin3 (relay-ctr) on J8 to GND

make two control signals high level

yes

To sheet 3


5-19I2


58/103


From sheet 2

Base of triode Q1,Q3is 0V?

yes

Check triode Q2,Q3

and resistor R8, R9

no

Base of triode Q1

is 5V?

yes

noBase of triode Q1

is 0V?

Yes

no

Voltage U1-1 is

0V?

Yes

no

Voltage U1-2 is

0V?

no

yesIs there +12V on

control terminal of solid

relay and relay K1

Replace triode

Q2 or Q3

Check inductor T1

Check U1,R1,C4

Check R2, R6, C5

no

Replace triode Q1

yes

To sheet 4


5-20I2


59/103


From sheet 3

The pins on porer

board J8-1, 3, 4 and

J2-1, 3, 4 on main

board works?

Switch off during measuring

no

Replace connecting wire

yes

Connect power board and main board

Connect pins U8-2, 11 to VCC power

Element number from here is on

mainboard

Yes

Pin of U8-9, 18 is

5V?

no

Check U8

Measure the voltage of U15-2 for self-checking

yes

no

Replace U15

yes yes

Replace main board

Still alarming after

replacing U15

Voltage is changingfrom low level to highlevel?


5-21I2


60/103


Power Failure Alarm

5-22I2

Is there AC power on

input socket?Check outside power input

No

Yse

Initial trans for mer is

AC power?

No Check the connecting wire of

trans for mer and ower cord,

and Fuse F1, F2, F3 on AC

entry boardYes

No

Pin 3 on U2, U3 is +5V?

No

Cross point of R17,R18 is +2.5V?

No

Check U2, U3 and prefix circuit

Yes

On power board

Pin4 of U4 is

+12V?

Check U4 and prefix circuitOn power board

Yes

Check R17, R18

Yes

Secondary output of transformer is 9V, 15V? Replace transformer

On power board

Yes

To sheet 2

FLOW CHART 5.12 POWER FAILURE ALARM (SHEET 1 OF 2)


61/103


From sheet 1

NoCrosspoint of

R19, R20 is 2.5V?

On power board Replace R19, R20

Yes

Crosspoint of

R21, R22 is

2.1V?

No

Replace R21, R22On power board

5-23I2

Yes

Pins7, 1 of U6

is high level?

No

On power board Replace U6

Yes

NoPin5 of U8 is low

level?Check the connection of power board

and main board

On main board

Yes

Pin4 of U8 islow level?

No

Replace U8On main board

Yes

Replace main board

FLOW CHART 5.12 POWER FAILURE ALARM (SHEET 2 OF 2)


62/103


SECTION 6REPLACEMENT PARTS

6.1 GENERAL

This section provides parts lists for infant incubator. Part numbers of accessories are provided

below:

6-1I2

05

03

04

02

01

FIGURE 6.1 PARTS LOCATION DIAGRAM OF WHOLE UNIT

TABLE 6.1 REPLACEMENT PARTS AND ACCESSORIES LIST

ITEM No. DESCRIPTION PART NUMBER

1 Basinet 01 000 00

2 Controller 02 000 00

3 Hood 03 000 00

4 Base 04 000 00

5 I. V. Pole Groupware 05 000 00


63/103


FIGURE 6.2 PARTS LOCATION DIAGRAM, HOOD (SHEET 1 OF 2)

6-2I2


64/103


6-3I2

FIGURE 6.2 PARTS LOCATION DIAGRAM, HOOD (SHEET 2 OF 2)


65/103


6-4I2



1 Outlet port 03 037 00

2 Bumper 03 013 00

3 Hood 03 038 00

4 Direction label 03 012 00

5 Access door 03 010 00

6 Access panel 03 039 00

7 Latch pivot 03 040 00

8 Cross groove pan head bolt M3×25

See No. of

standard Parts

9 Long chain 03 041 00

10 split baffle ring 4See No. of

standard Parts

11 Flat washer 6See No. of

standard Parts

12 Long hinge for access door 03 042 00

13 Short hinge for access door 03 043 00

14 Soft tubing port 03 011 00

15 Right hinge 03 044 00

16 Cover plate 03 006 00

17 Cross groove countersunk head bolt M5×16See No. of

standard Parts

18 Compound nut M5See No. of

standard Parts

19 No.7 stoppert 03 045 00

20 Inlet port 03 046 00

21 Left hinge 03 047 00

22 Fixing hook 03 001 00

23 Cross groove pan head bolt M 6×12See No. of

standard Parts

24 Spring washer 6See No. of

standard Parts

25 Cross groove oblate head bolt M4×12See No. of

standard Parts

26 Pawl latch for access door 03 030 00

27 Sheath for pawl latch 03 031 00


66/103


6-5I2



28 Spring（IV） 03 034 00

29 Hinge pivot 03 020 00

30 Cross groove pan head bolt M3×10See No. of

standard Parts

31 Bolt cover M3 03 051 00

32 Bolt cover M5 03 052 00

33 Torsion spring 03 021 00

34 Access door gasket 03 032 00

35 Access door cuff, reusable 03 033 00

36 O-ring Φ8.5×1.8See No. of

standard Parts

37 Top pin 03 026 00

38 Rolling lock bush 03 028 00

39 Spring （I） 03 025 00

40 Latch for access door 03 024 00

41 Column pin 3×30See No. of

standard Parts

42 Cross groove pan head bolt M 5×10See No. of

standard Parts


standard Parts


standard Parts

45 Iris port sleeve, reusable 03 027 00

46 Ring asembly 03 017 00

47 Soft retaining ring 03 018 00

48 Rotatable ring 03 019 00


standard Parts

50 Washer 03 003 00

51 Cross groove pan head tapping bolt ST2.9×9.5See No. of

standard Parts

52 White elastic part for Pawl Latch 03 035 00


67/103


6-6I2

FIGURE 6.3 PARTS LOCATION DIAGRAM, BASE (SHEET 1 OF 2)


68/103


69/103


6-8I2



1 Base outer shell 04 001 00

2 Lock base 04 002 00


standard Parts

4 Humidity chamber fill spout 04 004 00

5 Label for Humidity chamber fill spout 04 003 00

6 O-ring Φ16×2.65

See No. of

standard Parts

7 Cap of fill spout for Humidity chamber 04 005 00

8 Cross groove pan head bolt M4×12See No. of

standard Parts


standard Parts

10 Small pad 04 006 00

11 Limit panel 04 007 00

12 Fixing bolt（II） 04 008 00

13 Bush （I） 04 009 00

14 Seal 04 010 00

15 Humidity baffle 04 011 00

16 Humidity chamber 04 012 00

17 Bassinet 04 018 00

18 Pull handle 04 014 00

19 Washer for pull handle 04 015 00


standard Parts


standard Parts

22 Hexagon nut M8See No. of

standard Parts


70/103


6-9I2


ITEM No. DESCRIPTION PART N

Date post:	07-Jul-2018
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