F00E900291
SMT 300 Smoke Machine Tester Operator Manualwith UltraTraceUV® Dye Solution
Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011
ii | Contents | SMT 300 Operator Manual
TO PREVENT PERSONAL INJURY AND/OR DAMAGE TO VEHICLE OR EQUIPMENT• Usethisequipmentinthemannerspecifiedbythe
manufacturer.• Understandoperatingprocedures/followallsafety
precautions.• CorrectlyconnectSMT300testertobatteryand
chassisground.• UseUltraTraceUV®SmokeSolutionNo.
F00E900348inthisSMT300tester.Alteringthesolution,hoses,cablesoranyotherreplacementpartsmaycausedamagetovehiclesbeingtestedandmaycausepersonalinjury.
• NEVERusewithrunningvehicleengine.• NeverleavetheSMT300tester’shosesorpower
cablesconnectedtothevehicleforextendedperiodsoftimewhentestsarenotbeingperformed.
• Donotperformtestnearsourceofsparkorignition.
• Itisessentialthatthe12VDCbatterysourceyouusetopowertheSMT300testerisingoodconditionandfullycharged.
• WeareyeprotectionthatmeetsOSHAstandards.• Followsafetyprecautionswhenusingultraviolet
lightsource.• Airpressureornitrogensourcetotestercanbe
between50-175PSI(3.4to12bar).• StoreandoperatetheSMT300testerinupright
position.• Usewithanon-combustiblegas,suchasnitrogen,
argonorCO2,whentestingavehicle’sfuelvaporrecovery(EVAP)system.
• Smokeexitingaverysmallleakissometimeseveneasiertoseeifafterfillingthesystemwithsmokeyoureducethesmokeflowbyturningtheflowcontrolknobclockwise,whichslowstheexitingsmokevelocityandhelpsyouseeverysmallleak(s).
• Usethewhitelightprovidedtohighlightthesmokeexitingaleak.
• UsetheUltraviolet(UV)lightandyellowglassesprovidedtolookforthefluorescentdepositattheexactlocationofaleak.WhenusingalternatesourceofUVlight,besureitisonethatcoversthe400nanometer(nm)UVlightrange.
• WhenoperatingtheSMT300testerinnearfreezingtemperatures,cycletheoperationoftheSMT300tester15secondsONand15secondsOFFforapproximatelythefirstminuteortwoofoperation.ThiswillallowtheSMT300testertoreachitsoptimumoperatingtemperature.
• Whentestinganengine’sintakeorexhaustsystemforleaks,itisrecommendedthattheenginebecold.Smallleaksmaybesealedduetothermalexpansion.
Contents
1 Introduction
1 SMT 300 Technical Specifications
2 Items Included with the SMT 300 Tester
3 Optional SMT 300 Accessories
4 Initial Setup
5 SMT 300 Tester Front View
6 SMT 300 Tester Rear View
7 Basic Testing Procedure
7 Optional Gas Source
8 Flow Meter Overview
9 EVAP Tech Tip
10 Control Valve Overview
11-13 Sample Leak Detection Applications
14 SMT 300 Troubleshooting Guide
15 SMT 300 Warranty
16-17 Notes
NOTICEPlease note that the instructions in this Operator Manualareintendedtoonlyprovidegeneralandbasicinformationtotheuser.Thismanualisnotintendedtobeanexhaustivediscussionanditisnotintendedasprofessionaladviceonthemattersorproceduresinquestion.Whilerecommendationsandsafetyprecautions/warningsareprovidedforinthismanual,itisnotintendedtobeasubstituteforyourcommonsense.
SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC
SMT 300 Operator Manual | Introduction | 1
Thank You and Congratulations!Youareinpossessionofthemostuseful,yetsimpletooperate,leaktesteravailabletoday.ThepatentedtechnologiesinthismodelSMT300testerweredevelopedincollaborationwithmajorautomakerstospecifiedstandardsanddesignedtobesafetouseinanyvehicle.ItistheonlysmoketechnologyapprovedbyanyautomakerintheworldandistheonlyonethatmeetsSAEInternationalPapers’recommendationsforsaferfuelevaporative(EVAP)testing[2007-01-1235&2008-01-0554].
ThisSMT300testerproducesaspecialsmokevaporknownasDiagnosticSmoke®.Itisdesignedtofindleaksinanylowpressureclosedsystem,aswellaspinpointwindandwaterleaksenteringthevehicle’spassengerortrunkcompartment.TheUltraTraceUV®dyesolutionthetesterusesistheonlyautomaker(OEM)approvedsolution.Tolocatealeak;yousimplyintroducethesmokevaporintothesystemtobetestedandshinethewhitelightsuppliedtolookforthesmokeexitingtheleak.Orusetheultraviolet(UV)lightsuppliedtoviewthefluorescentdyedepositedattheexactlocationofaleak.Ifyouseethesmokeorthedye,you’vefoundtheleak.
SMT 300 Technical Specifications:Height 13in.(33.0cm)
Length 13in.(33.0cm)
Width 12in.(30.5cm)
Weight 19lb.(8.6kg)
Shippingweight 24.5lb.(9.5kg)
Power supply 12voltsDC
Powerconsumption 15amps.
SolutionMax.Volume 12oz.(355ml)
Supply pressure 13.0in.H2O(0.032bar)
Supplyvolume 12litersperminute
Smokesupplyline 10feet(3m)
Power supply line 10feet(3m)
Operatingtemp.range 45°Fto140°F(7.2°Cto60°C)
Altitude Upto6,561Ft(2,000M)
MaximumRelativeHumidity
80%forTemperaturesupto140°F(60°C)
ConditionsofUse Indoor/Outdoor(ifnotwet)
PollutionDegree 2
UltraTraceUV®; the proper solution to use in your SMT 300 Smoke MachineTester.
A common question asked is if one can use a basic generic mineral oil, such as ‘baby oil’, in the tester to create the smoke.
Youcanifyouwantto,butwedon’trecommendit.ThepatentedUltraTraceUV®smokesolutionsuppliedwiththistester;willperformhundredsofteststhatonlycostpenniespertest;istheonlysolutionintheworldapprovedbytheautomanufacturers;andwillnotvoidanyvehiclefactorywarranties.Plus,youhavetheaddedbenefitofthetracedyethatmarkstheexactlocationofaleak,increasingdiagnosticaccuracyunlikeanyother.Thisspecialsolutionisnota“generic”mineraloil.Infact,genericmineraloilsarenotintendedforthistypeindustrialuse.Thegenericmineraloilsbreakdown,asevidencedbyafoulodorandcoulddamagevehiclecomponents.
Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011
2 | Items Included | SMT 300 Operator Manual
Items Included with the SMT 300 Smoke Machine Tester
UltraTraceUV® (F00E900348)Thispatentedsolutionistheonlyautomaker-approvedsmoke-producingsolution.Thesolution’schemistrycontainsaspecialdyethatdepositsattheexactlocationofaleak.Eachbottlewillperformapproximately300fullcycletests.(12oz./355ml).SMT300isshippedwithtwo(2)bottles.Replenishmentpart#F00E900348isone(1)bottle.
Cap Plugs Kit (F00E900349)Usefulwhensealinganintakemanifoldsysteminordertocontainthesmokeinthesystemforproperleaktestingsuchas;massairflowsensorducting,etc.
Adapter Cone (F00E900350)Forintroducingsmokeintotheexhaustsystemorintoanyorificethataccommodatesthecone’ssize,suchastheinductionsystem.
Smoke Diffuser (F00E900351)Designedtolocateleaksarounddoors,windowssunroofsandtrunkcompartment.
Combination Light (F00E900352)Turnitonanditdeliversawhitelight,foreasiersmokelocation.Clickitagainanditdeliversanultraviolet(UV)lightthathighlightsthefluorescentdyedepositedattheexactlocationofaleak.Clickitathirdtimetoactivatethelaserpointer.Kitincludeslight,amberglassesandbatteries.
Standard Size EVAP Service Port Fitting (F00E900353)
Schrader Removal / Installation Tool (F00E900354)
NOTE: Theseitemsareprovidedwithinaseparateaccessorystoragecaseandareavailableasreplacementitemsaswell.PleaseorderthenotedF00E900XXXpartnumber.TheaccessorycasereplacementisF00E900364.
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SMT 300 Operator Manual | Optional Accessories | 3
Inert Gas Pack (F00E900355)20oz.liquidCO2bottleandregulatortouseinlieuofshopair.ProvidesthesafestwaytotestEVAPsystemleakage.Fullyfilledbottleprovidescapacityfor25fullcycletests.RefertotheOperatorManualforfulldetails.(CO2 bottlearrivesempty).
100psi pre-set Nitrogen Regulator (F00E900365) For use withlargernitrogenbottlesintheshop.Connectstothelargebottlestandardoutletfitting.UsewithcylinderhoseP/NF00E900366.
Nitrogen Regulator/Cylinder Hose (F00E900366) Connects the SMT 300 inlet to the optional 100psi NitrogenRegulatorP/NF00E900365.
SMT 300 Replacement Filter Kit (F00E900361) ReplacementelementfortheSMT300internalfiltersystem.ProtectstheSMT300fromworkshopaircontaminants.Yearlyreplacementisrecommended.
SMT 300 Universal Filler Neck Adapter (F00E900362) AllowsdirectconnectoftheSMT300smokeoutputhosetomostfueltankfillernecks.Fueltankandperipheralcomponenttestingisthusmadeeasier.
SMT 300 BMW-Mini Fuel Filler Neck Adapter (F00E900363)Allowsdirect&specificconnectionoftheSMT300smokeoutputhosetoBMWandMinifueltankfillernecks.Fueltankandperipheralcomponenttestingisthusmadeeasier.
Air FittingTwoaresupplied.TheautomotivestylefittingisalreadyinstalledontheSMT300.Thesparefittingisanindustrialstylefittingbutalsoapopularoneinautofacilities.
Optional SMT 300 Accessories
Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011
4 | Setup | SMT 300 Operator Manual
1. Fill with Solution
PriortousingtheSMT300testerforthefirsttime;pourtheentirecontentsofone12oz.(355ml)smokesolutionbottlesuppliedintothemachine.
Initial Setup/Prior to Turning the SMT 300 Smoke Machine Tester ‘ON’
WedonotrecommendintroducingasolutionintotheSMT300testerthatisnotrecommendedbythemanufacturerbecauseitmaydamagethevehiclesbeingtestedandmayaffecttheirfactorywarranty.Itcouldalsocauseharmtotheoperator!
2. Proper Air Fitting
TwocommonlyusedmaleairfittingsaresuppliedwiththeSMT300tester.Besureoneofthesefittingsisthecorrectfittingforyourfemalehoseconnector.OtherwiseinstallcorrectfittingontotheSMT300tester.UseTeflon®threadsealer.Donotover-tighten.
� AirinletpressuresuppliedtotheSMT300testercanbebetween50and175PSI(3.4to12bar).
[Note:optimuminletpressureis90PSI/6.2bar]
AlwaysmaintainsolutionlevelatornearFULLmark.
AirFitting
Full
Low
SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC
SMT 300 Operator Manual | Front View | 5
SMT 300 Smoke Machine Tester Front View
A. Smoke Solution Fill Port and Dipstick
B. Supply Hose w/ Delrin® Nozzle Length: 10 ft. (3.16M)
C. Function Indicator LightsD. ON | OFF Switch
E. Flow Control Knob
F. Pressure/Vacuum Decay Gauge
G. Flow Meter
A Smoke Solution Dipstick usedtofillandmaintainpropersmokesolutionlevel.
B Smoke Supply Hose
C Function Indicator LightsgreenbatterylightturnsONwhenconnectedto12-VoltDCpower.
� Blinks1-persecondifpowersourceisinsufficient.
� RedON/OFFlightturnsONwhenyoupressthe<ON>button,indicatingsmokeproduction.
D ON | OFF Switch Pushtoturn<ON>smokeproductionfor5minutes.
E Flow Control Knob TESTdelivers‘non-smoke’air.SMOKE(fullopen)deliversfullvolumeofsmoke.ApositionbetweenSMOKEandFLOWCONTROLdeliversvaryingdegreesofsmokevolume.
F Pressure/Vacuum Decay Gauge usedtoverifyifthereisaleakinthesystem.TotestusingPressure-Decay;fillthesystembeingtested,withtheSMT300ineitherTESTorSMOKEsetting.Oncefull,turnSMT300OFF.Observethepressuregaugefordecay,whichwouldindicatealeak.TotestusingVacuum-Decay;besuretheSMT300isturnedOFF.PlaceaTeefittingbetweentheSMT300supplylinenozzleandthesystembeingleaktested.AttachahandvacuumpumptotheTeeanddrawvacuum.ObservetheSMT300vacuumgaugetobesureyoudonotdrawmorevacuumthanthegaugeallows,oritwilldamagethegauge.Stopdrawingvacuumoncepropervacuumisachieved.Observethegaugefordecay,whichwouldindicatealeak.
NOTE: Thepressure/vacuumdecaytestscannotdeterminethesizeoftheleak(s).Leaksizecanbedeterminedusingtheflowmetertest,describedonpage8.
G Flow Meter indicatingflowcouldindicatealeakinthesystembeingtested.Ifthemeterindicatesnoflow,thenyouknowthereisnothingflowingthroughthesystembeingtested(orindicatesnoleak).
Do not runthevehicleenginewiththesupplyhose(itemB)connectedtothevehicle.Normalenginevacuumwilldamagethepressure/vacuumgauge.
Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011
6 | Rear View | SMT 300 Operator Manual
SMT 300 Smoke Machine Tester Rear View
H. Air / Inert Gas Fitting
I. 12-Volt DC Power Cables Length: 10 ft. (3.16M)
J. Internal Filter Drain Port
H Workshop Air Fitting / Inert Gas Fitting connecttoshopairforgeneralpurposeleaktestingortoaninertgas,suchasnitrogenorCO2,whentestingafuelevaporativesystem.
I. 12-Volt DC Power Cables connecttopositivebatteryterminalandchassisground.
J. Internal Filter Drain Portthistesterisequippedwithaninternalfiltersystemthatprotectsthetesterandvehiclefromworkshopaircontaminants.
Occasionalfluiddrainage,fromPort‘J’,isnormal.Excessivedrainageindicatesyourworkshopcompressorrequiresdrainingand/orafiltersystemofitsown.FailuretokeepworkshopcompressordrycanresultincontaminationoftheSMT300testerandvehiclebeingtested.
SAEINTERNATIONALpublishedpapersstronglyrecommendyouconnectthesmokemachinetoaninertgas,suchasnitrogenorCO2,whentestingavehicle’sfuelvapor(EVAP)systemduetoitspotentiallyexplosivefumes.
SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC
SMT 300 Operator Manual | Basic Testing Procedure | 7
Basic Testing Procedure
1. ConnecttheSMT300testertoworkshopair.
2. ConnecttheSMT300tester’sredpowercabletovehicle’s12VoltDCbatterypositiveterminal.
� Batterymustbeingoodconditionandfullycharged!
3. ConnecttheSMT300tester’sblackcabletothevehicle’schassisground.DoNOTconnecttheblackcabletobatterygroundbecauseasparkinthevicinityofthebatterycancauseanexplosion!(Figure 1)
4. ObservethatthegreenpowerindicatorlampontheSMT300testeris‘ON’confirmingthatyouareproperlyconnected.
� Ablinkinggreenpowerlampindicatesinsufficientbatterypowertothetester.
5. Connectsmokesupplyhosetosystembeingtested.
� FlowControlValvemustbeinfullOpen(+)position.(Figure 2)
6. Press<ON>buttonandfillsystemwithsmoke.
� Smokeproductionison5-minutetimer.
7. Usewhitelightsuppliedandlookforexitingsmokeoruseultravioletlightsuppliedtolookforfluorescentdyedepositatexactlocationofaleak.
� Thelongersmokeisallowedtoexitaleak,themorefluorescentdyewillbedepositedatleaklocations.
� Wheneverpossibleitisbestto‘purge’the‘non-smoke’airoutofthesystembeingtestedinordertoquicklyfillthesystemwithsmoke.
Optional Gas SourceShown here using the optional portable Inert Gas Pack. (PartNo.F00E900355)
ThisgaspackmakestheSMT300testerveryportableandisalsoperfectforsaferEVAPtesting,sincethegassuppliedisinert.One20oz.cylinderwillperformabout25fullcycletestsandisinexpensivetorefill.PleaseNote:ThisInertGasPackisshippedwithanemptygascylinder(forsafetyreasons).Priortousingforthefirsttime,thecylindermustbefilledwithliquidCO2.ContactalocalrefillingstationforliquidCO2.Suggestion:ForCO2, contactalocalairtoolorsportinggoodsrefillinglocation(i.e.hardwarestore,sportinggoodsstore,orpaintballsupplyhouse)
Black to chassis ground
Figure1
Figure2
Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011
8 | Flow Meter Overview | SMT 300 Operator Manual
Flow Meter Overview
Flow
Aflowmeterballindicatingflowmeansthereisflowgoinginto(orthrough)thesystembeingleak-tested.Thisisnormalwhilethesystembeingleaktestedisbeingfilled.
� AnEVAPsystemwillusuallytakeabouttwominutestofill.
� Anindicationofthesystembeingfulliswhentheflowmeterballstopsdescendingduringtheleaktest(orwhenthepressuregaugestopsincreasinginpressure).
Iftheflowmeterballdescendstothebottomoftheflowmeter;thatindicatesthereisnoflowthroughthesystembeingtested,orthatthereisnoleakinthesystembeingleaktested.
Iftheflowmetercontinuestoindicateflowafterthesystemisfilled,thisindicatesaleak.Thehighertheballisintheflowmeter,thelargertheleaksize.
EVAP Leak Size Reference Points
Theflowmeterhastwoleaksizereferencepointswhichhelpquantifytheleaksizeinthesystembeingleaktested.The.020”(0.5mm)and.040”(1.0mm)referencepointsareequivalenttoleaksofthosesizesintheEVAPsystembeingtested.
Oncethesystemisfilled(eitherinTESTorSMOKEsetting)andtheflowmeterballstopsdescending;positiontheflowmeter’sredflagsothatitalignswiththeleveloftheflowmeterball.ComparetheleveloftheballwiththereferencepointsinordertodetermineaPASS/FAIL.
AballreadingabovethereferencepointindicatesaFAIL.
AballreadingbelowthereferencepointindicatesaPASS.
NOTE:TheflowmeterismostaccuratewhentheSMT300controlvalveisinTEST(non-smoke)setting.
Remember:Alltestswiththistesterareperformedwiththevehicle’sengineturnedoff!
Leak Size Reference Points
Flow Meter Ball
SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC
SMT 300 Operator Manual | EVAP Tech Tip | 9
EVAP Tech Tip
NOTE: TheflowmeterisactiveinallsettingsoftheFlowControlValve.However,forthemostprecisequantifyingofaleaksizeusetheTESTsettingineitherofthesetwomethods:
A. FillsysteminTEST(nosmoke)settinguntilflowmeterballstopsdescending.Positiontheflowmeter’sredflagsothatitalignswiththeflowmeterballposition(asdescribedonpreviouspage).Compareflowmeterballpositionwithflowmeter’sLeakSizeReferencePoints.Iftheleaksizeisunacceptable(abovereferencepoint)andleaktestingisrequired;setcontrolvalvetoSMOKEsetting,introducesmokeandlookforsmokeordyetofindtheleak(s).
Or
B. Tosavetime;fillsysteminSMOKEsetting(fullopen).BesureTesterisstill<ON>andwhentheflowmeterballstopsdescending,immediatelypositionthecontrolvalvetoTESTandallowtheballtosettle(TESTsettingwillgiveyouamoreaccurateflowmeterreading).Compareflowmeterballpositionwithflowmeter’sLeakSizeReferencePoints.
� Abovereferencepoint=FAIL.
� Below referencepoint=PASS.
Iftheleaksizeisunacceptableandleaktestingisrequired,thentimewillhavebeensavedbecausethesystemisalreadyfilledwithsmoke.NowpositionthecontrolvalveagaintoSMOKEandcontinuetointroducesmokewhilelookingforsmokeordyeatleakexitpoints.
NOTE: Whensmoketestingaclosedsystem,suchastheEVAPsystem;itisbesttopurgethe‘non-smoke’airoutofthesystembyleavinganopeninginthesystembeingfilledwithsmoke(e.g.EVAPvent).Closethesystemoncesmokeexitsandcontinuetofillwithsmoke.Thisquicklyfillsthesystemwithsmoke.
Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011
10 | Control Valve Overview | SMT 300 Operator Manual
Control Valve Overview
TEST (non-smoke)settingdeliversnon-smokeairandthemostaccurateflowmeterreading.ThisistheperfectsettingwhenyouwantthemostaccurateleaksizereadingwhentestingtheEVAPsystem.
Thissettingcanalsobeusedwhentestingmanysystems,suchasasolenoidfunction,whensmokeisnotneeded.Testthesolenoidwhileactivatingitopenandclosed.Closingthesolenoidshouldmaketheflowmeterballdroptothebottom.Aflowmeterindicatingflow,whilethesolenoidisclosed,confirmsaleakinthesolenoid.
SMOKE (fullopen)settingdeliversmaximumsmokevolumetothesystembeingleaktested.
FLOW CONTROL controlssmokevolume.Locatingtheleaksourceissometimeseveneasierwithlesssmokevolumeexitingaleak.AfterfillingasystemwithsmokeintheSMOKE(fullopen)setting,usethesmokevolumecontrolknobtotuneinthedesiredvolumeofsmokeexitingaleak.
NOTE: FlowControldoesnotaffectdeliverypressure;itonlyaffectssmokeflowvolume.
SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC
SMT 300 Operator Manual | Sample Leak Detections | 11
Sample Leak Detection ApplicationsThisleakdetectorcanbeusedinvirtuallyanyvehiclelowpressuresystemsuspectedofhavingaleak,suchas;EVAPsystem,intake/inductionsystem,intercoolerandturbochargersystem,vacuumsystem,exhaustsystem,wind/waterleaksandcanalsobeusedtoverifyairsolenoidfunctionsandtestcomponentspriortoassembly.FordetailsonEVAPtesting,pleaserefertotheBoschtrainingmaterials(notincludedwiththismanual).
Intake/Induction Leaks
Exhaust Leaks
Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011
12 | Sample Leak Detections | SMT 300 Operator Manual
Wind and Water leaks
1. Setvehicle’sclimatecontrolto‘freshair’andsetbloweronfullspeed.
� Thiscreatespositivecabinpressure.
2. ConnecttheSMT300tester’ssupplyhosenozzletoSmokeDiffuser.
3. Laysmokepathalongseals.
4. Lookforsmokedisturbanceindicatingaleak.
� Noairdisturbancemeans‘NoLeak’.
Airdisturbancepinpointstheleak.
SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC
SMT 300 Operator Manual | Sample Leak Detections | 13
Sample UV deposits
Thepatentedsmokevaporcontainsaspecialultraviolet-activatedfluorescentdyethatgetsdepositedattheexactlocationofaleak.UsetheUVlightprovidedtohighlightthedye.
� Thistechnologyisdesignedsothatthedyewillonlydepositifthereispressure-differential.Soforinstance,thedyewilldepositwhenexitingaleakbutwillnotdepositduringthewindandwatertest.
� Thelongerthesmokeisallowedtoexitaleak,themoredyewillbedeposited.
Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011
14 | Troubleshooting | SMT 300 Operator Manual
Troubleshooting Guide
Green Red Interval Cause
✔ ConstantON Goodbatterypower.
✔ Blinks:1-persecond Insufficientbatterypower.
✔ ✔ Blinkssimultaneously:1-persecond Badgroundatsmokecanisterorcircuitboard;orpowerconnectionatbatteryisloose;orshortinheatingcircuit.
✔ ✔ Blinkssimultaneously:4-persecond Badgroundatsmokecanisterorcircuitboard;oropenheatingcircuit.
✔ ✔ Blinksalternately:1-persecond (Systemwillshutdown.Powermustbedisconnected/connected.)
Badgroundatsmokecanisterorcircuitboard;orcircuitboardfailure.*
* Ifcircuitboardfailureoccurs,firsttrydisconnectingpowertotheSMT300testerfor10secondsandreconnect.Iffailurecodeoccursasecondtime,disconnecttheSMT300testerandcontactthemanufacturer.
Symptom Likely Cause Solution
1. ThegreenpowerindicatorlampontheSMT300testerdoesnotturnON.
1. Thepowercablesarereversed.
2. Poorpower-supplycableconnection.
3. Batteryprovidingpoweristooweak.
1. Correctlypositionthepowercables.
2. Securetheconnectionatthepositiveterminalandchassisground.
3. Verifythebatteryisingoodconditionandfullycharged.
2. IturntheSMT300testerONbutthereisnoairorsmokecomingoutofthesupplyhose.
1. Poorpower-supplycableconnection.
2. Batteryprovidingpoweristooweak.
3. Airsupplytotesterisinsufficient.
1. Securetheconnectionatthepositiveterminalandchassisground.
2. Verifythebatteryisingoodconditionandfullycharged.
3. Besureair/nitrogensupplyissufficient.
2. Verylittlesmokecomingoutofthesmokehoseorthereisoildrippingfromthesmokehose.
1. Thereistoomuchsmokecondensationinsidethesmokesupplyhose.
�ThesmokevaporfromtheSMT300isverydenseanditisnormalifattimesitcondensesinsidethehose.Thisusuallydoesnotindicateaproblem.
1. PositionthehoselowerthantheTester.SetcontrolvalvetoTESTandturnTester<ON>foronecycle,oruntiloilhasdrainedfromhose.
SMT 300 Technical Service Line
(866)670-7734MondaythruFriday8:00amto4:00pmPST(PacificTime)
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SMT 300 Operator Manual | Warranty | 15
SMT 300 Warranty
LIMITEDONE(1)YEARWARRANTY
OriginalPurchaserWarranty:undernormaluse,careandservice,theSMT300(exceptasotherwiseprovidedherein)shallbefreefromdefectsinmaterialandworkmanshipforONE(1)YEARfromthedateoforiginalinvoice.
Seller’sobligationsunderthiswarrantyarelimitedsolelytotherepairor,atSeller’soption,replacementoforrefundoftheoriginalpurchasepricefor,SMT300orpartswhichtoSeller’ssatisfactionaredeterminedtobedefectiveandwhicharenecessary,inSeller’sjudgment,toreturntheequipmenttogoodoperatingcondition.
RepairsorreplacementsqualifyingunderthisWarrantywillbeperformedormadeonregularbusinessdaysduringSeller’snormalworkinghourswithinareasonabletimefollowingBuyer’srequest.Allrequestsforwarrantyservicemustbemadeduringthestatedwarrantyperiod.
Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011
16 | Notes | SMT 300 Operator Manual
SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC
SMT 300 Operator Manual | Notes | 17
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