washing machine - lowes holidaypdf.lowes.com/operatingguides/036725569249_oper.pdf ·...

1

WASHING MACHINETechnical Information

Code No. : DC68-03051A-01_EN

• Duetopossibilityofpersonalinjuryorpropertydamage,alwayscontactanauthorizedtechnicianforservicingorrepairofthisunit.

• RefertoServiceManualfordetailedinstallation,operating,testing,troubleshooting,anddisassemblyinstructions.

Models : WA5471*

WA5451*

AllsafetyinformationmustbefollowedasprovidedinServiceManual.

CAUTION

Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.

WARNING

WA5471ABP_03051A-01(Technical information).indd 1 2011-05-30 �� 2:38:32

ALIGNMENT AND ADJUSTMENTS

2

GENERAL ERROR FUNCTION

NOError Code

(Diagnostic Code Error Image)

Description Corrective Action

1 nd ThewaterlevelfailstodropbelowtheResetWaterLevelwithin30minutes.

Goto“WillNotDrain”TroubleshootingSection.

2 LO DoorfailstoUnlockAfter7attempts. Goto“WillNotUnlock”TroubleshootingSection.

3 nFWhenthefillingContinuesformorethan60minutesorthereisnochangeofwaterlevelfor6minutes.

Goto“NoWaterFill”TroubleshootingSection.

4 FL Doorfailstolockafter7attempts. Goto“WillNotLock”TroubleshootingSection.

5 LEAwaterlevellowerthantheResetwaterlevelisdetectedfor5secondsduringtheWash/Rinsecycle.

Goto“NoWaterFill”TroubleshootingSection.

6 1E

WaterLevelSensorTrouble.(Whentheinputsignalfromthewaterlevelsensorisoutofrange,theunitwillsendoutbeepingsoundsandhaltsthecycle.)

Goto“NoWaterFill”TroubleshootingSection

7 OE

Afaultisdetectedinthewaterlevelsensor.Data(frequency)showsthewaterlevelisatorabovetheoverflowwaterlevel.(Whenthisconditionisdetected,themachinewillautomaticallystartsdrainingwateruntilthewaterlevelfallsbelowtheresetwaterlevel)

Firstchecktoseethatallofwatervalvesarenotstuck.IfwatervalvesareOK,checkwaterlevel.

8 dc Unbalanceorcabinetbumpisdetectedduringfinalspin

Goto“WetClothes”TroubleshootingSection.

9 E2JammedKey.(Whenkeyinputsignalsarecomingoutformorethan30seconds,itisregardedasajam.)

Checkallofkeys.IfAkeyissensedtobepressed,allkeyswilldonotrespond.

10 ds Doorisdetectedasopenwhileitistryingtolockthedoor.

Goto“QuickTestMode”andthendoDoorLock/UnlockTest


WARNING



3

NOError Code

(Diagnostic Code Error Image)

Description Corrective Action

11 TE1Thisoccurswhenthewatertemperaturesensorfaultisdetectedcontinuouslyfor5seconds.

Goto“BoardInputTest”andcheckWaterTemperature.Checklooseorpinchedwires.ReplacePCBorthermistor.

12 3E

MICOMisattemptingtodrivethemotorbutisnotgettinganyresponsesignalsfromthehallsensor.Visualcheckshowsmotorisnotrunning.(Locked,DefectiveHallSensororOverload)

Evaluatewireharnessforlooseorunhookedconnections.Goto“QuickTestMode”andtestMotor.

13 HE HeaterRelayFailure(NoHeaterRelayCheckSignal) ReplacePCB

14 nF1 Thehot/coldwaterhoseconnectionisnotcorrect.

Pleaseconnectthehot/coldwaterhoseconnectioncorrectly.

15 SUd

Sudsisdetectedduringthewashingsession.(“SUdS”isnotanerror.Whenitfinisheswashing,EndandtheSUdcodewillblinkinturn.)

Guideausertoreduceamountofdetergentusage.

16 AE CommunicationerrorbetweenSUBPBAandMAINPBA

CheckMainPBA,SUBPBA&Wire-harness.ReplacePCB

17PE

(ClutchMotorError)

Thiserroroccurswhenthepositionoftheclutchisnotdetected.-Ifthepositiondetectionsignalisnotreceived15secondsaftertheclutchmotorstarts,thespindrumisshakenleftandrightandthenthemotorisrestarted.Ifthemotorpositionsignalisnotreceivedevenafter3reattempts,aPEerroroccurs.

1.Checktheclutchmotor.2.Checktheassemblystatusoftheclutchmotor.3.Checkthewireconnectorterminals.

18PE1

(clutchhallsensorerror)

Afterthecompletionoftheclutchpositiondetection,andtheclutchhallsignalisinvalid,thespindrumisshakenleftandrightandthentheclutchhallsignalisevaluatedagain.This,iftheclutchhallsignalisstillinvalid,theclutchpositionswitchingstatusischeckedandthentheoperationisrestarted.(Ifthe15reattemptsfail,thiserroroccurs.)

1.Checktheclutchhallsensor.2.Checkthewireconnectorterminals.3.Checktheclutchswitchingstatus.-Checkthecouplingassemblyanddisassemblystatus.

19 8E

IftheoutputfromtheMEMSsensorisover4.5Vorunder0.5Vanditcontinuesfor5seconds,thiserroroccurs.

1.ChecktheMEMSsensorandPBA.2.Checkthewireconnectorterminals


WARNING



4

TEST MODETest Mode:EachTestModefortheORCAisasfollowsinthecomingpages.Thetestmodesindicatedbytheredarrowsaremodesunabletogetanaccessoncethewashingcyclehasstartedduetosafetyresons.

Quick Test Mode

Definition of Quick Test Mode:- CheckoperationofallLED’s(VerifyfaultyLED).- Checkmodelandsoftwareversion.- Checkdifferentoperatingmodes(e.g.watervalve,motor,door,drainpump,etc.).How to Enter:- Plugintheunit.- Pressspinkey,soillevelkeyandPowerKeyatthesameTime.


WARNING



5

Quick Test Mode:1. AllLED’slightupanditsendsoutBeepSoundwhenit

entersintotheQuickTestMode.(Including7-Segment)2. DisplayssoftwareversionforasecandClearEEprom.3. Whentheversionisdisplayed,turntheJog-Dialsothat

theversiondisappears.Pressthefollowingkeystotestthevariouscomponents. -TempKey:WaterValveTest -Signal:DoorLock/UnlockTest -SoilKey:WaterHeaterTest -Spin:Drain/circulationpumptest

EEPROM Clear CheckDefinition of EEPROM Clear Mode:- EEPROMinitialization.- Allcourse/optionsettingsaretoberesettodefault

valuesafterEEPROMinitialization.- WhenServicearisesanditneedsPCBreplacement,

EEPROMshouldbereset.How to Enter:- Theunitneedstobeon.- PressDelayStartKey,andPowerKeyatthesame

time.


WARNING



6

Continuous Run Mode

Definition of Continuous Run Mode:- WillcontinuouslyrepeatthecurrentcycleuntiltheContinuousRunModeiscancelled.How to Enter:- PressDelayStart+SoilLevelKeytogetherfor7sec.Continuous Run Mode:1. PressDelayStart+SoilLevelKeyfor7secduringPowerOnState(NormalUserMode).2. OnceinContinuousRunMode,Thesevensegmentswillnolongerdisplay“0000”andwillalternate

betweendisplayingthenumberofcyclesofthecompletedcourseandtheremainingtimeofthecourse.3. TheContinuousRunModewillrepeatthepreviouscycleuntilcontinuousrunmodeiscancelled.4. DuringContinuousRunMode,pressDelayStart+SoilLevelKeyfor7sectoreturntonormal

usermode.Thesevensegmentswillnolongerdisplaythenumberofcyclesandwilldisplaythemaintenancetimeonly.

5. IfyouexitServiceModeafterenteringitfromContinuousMode,thewashingmachinereturnstoContinuousMode.

6. IfpowerislostinContinuousRunMode(thatis,whenthepowerplugisdisconnectedorthePowerkeyispressedturningthewashingmachineoff),themodeisreleasedwhenthewashingmachineisturnedonagain.

Service ModeDefinition of Service Mode:- ServiceModeenablesservicetechnicianstoverifytheoperationofthewashingmachineand

dotroubleshooting.- ServiceModecanbeenteredduringallwashingcyclewithoutinterruptingthecycleexcept

someoftestmodes.- VarioustestscanbedonewithServiceMode.So,troubleshootingcanbedonebasedonthe

resultingdiagnosticcodes.How to Enter:- ToentertheServiceMode,presstheSignalandExtraRinseKeysfor3secondsoruntiltheunit

sendsoutbeepingsounds.


WARNING



7

Service Mode

Service Mode:1.ThewashermustbeontogointotheServiceMode.2.Themotorspeedwillbedisplayedwhenstarted(Itdisplays0whenthemotordoesnotspin).3.Thepresentstateofthemachinewillnotbechanged.

(i.e.,thecurrentcycleinprogresswillnotbeinterruptedandonlythedisplaywillchange)4. ToexitServiceMode,pressSignalandExtraRinseKeysfor3secondagain,orPowerKey.Ifnokey

isoperatedduringServiceModefor5minutes,themachinewillreturntonormalusermode.

Quick Spin Test Mode

Definition of Quick Spin Test Mode:- QuickSpinTestModeistodoSpinCheck.(HighRPM)How to Enter:- DuringServiceMode,presstheDelayStartandTemp.Keysfor3secondstoenterQuickSpin

TestMode.- Cannotenteroncethewashingcyclehasstarted.Quick Spin Test Mode:AsitentersintotheQuickSpinTestMode,itstartsspinningandreachestoitsmaximumRPM.OncetheSpinspeedreachesthemaximumRPM,thespeeddropsimmediately.ToholdQuickSpinTestMode(enteringHoldSpeedMode),presstheStart/Pausebutton.IftheStart/PausebuttonispressedduringQuickSpinTestMode,itwillstopacceleratingandholditsspinningspeedfor10minutesbeforegoingbacktoQuickSpinTestMode.Also,tocanceltheholdandallowQuickSpinTestModetocontinue,presstheDelayStartandTempKeystogetherfor3seconds.IfyouholddowntheDelayStartandTemp.keysforthree(3)secondswhenthewashingmachineisnotinHoldSpeedMode,QuickSpinModeisexitedandServiceModeisrestored.


WARNING



8

Cycle Count Check Mode

Definition of Cycle Count Check Mode:- CycleCountCheckModeistotallyupthenumberofwashings.How to Enter:- ToentertheCycleCountCheckMode,presstheSignalKeyduringServiceMode.Cycle Count Check Mode:1. ActivatetheServiceModeinadvance.2.WhentheSignalkeyispressed,thetotalnumberofwashingswilllightupandasignalLEDwill

glow.3.Themaximumnumberofcycleswillbe1999.

Thecounterwillrolloverto0andstartcountingagainafter1999.4.Thecountingwillbecarriedoutattheendofthenormalcycle.

(FornormalandContinuousRuncycles,thecountiscarriedoutattheendofthecycles.5. ToexittheCycleCountCheckMode,pressthe“Signal”keyagain.

S/W Version Check ModeDefinition of S/W Version Check Mode:

- S/WVersionCheckModeistobringupS/WVersioninformation.How to Enter:- ToentertheS/WVersionCheckMode,presstheSoilLevelKeyduringServiceMode.S/W Version Check Mode:1. ActivatetheServiceModeinadvance.2. PresstheSoilLevelKeytobringupitssoftwareVersion

EX)GeneratedE49atVersion49(dEisMicomcode,49isit’ssoftwareversion)3. ToexittheS/WVersionCheckMode,presstheSoilLevelS/Wonceagain.

Then,itreturnstotheServiceModewithmotorRPMilluminating.


WARNING



9

Fast Time Down Test Mode

Definition of Fast Time Down Test Mode:- FastTimeDownTestModeistoforwardtheprogramtothenextcyclestage.How to Enter:- ToentertheFastTimeDownTestMode,presstheTempkeyduringServiceMode.Fast Time Down Test Mode:1. ActivatetheServiceModeinadvance.2. Toforwardtheprogramtothenextcyclestage,presstheTempkey.Each stage is located at key points of a complete cycle as follows:- EndofEachFill(BeginningofWashorRinseTumbleSession)

Caution:CheckifthecurrentwaterlevelishigherthantheResetwaterlevelandthenperformtheFasttimedowntest.

- BeginningofDrainSession- BeginningofSpinSession(Here,itchecksthewaterlevel.So,ifitisovertheresetlevel,itcarries

outdrainingbeforethespinning.)- BeginningofFillSession- BeginningofBleachFill- BeginningofFabricSoftenerFill- Every3minutesduringWashandRinseTumbleSession


WARNING



10

Board Input Test Mode

Definition of Board Input Test Mode:- BoardInputTestModeistodisplaysaspecifiedinputafterakeypress.How to Enter:- ToentertheBoardInputTestMode,presstheExtraRinsekeyduringServiceMode.Board Input Test Mode:1. ActivatetheServiceModefirst.2. PressthekeytostartBoardInputTest.3.TurntheJog-Dialsothatthenormalcourseisturnedon,andTheWaterTemperaturewillbe

displayedinCelsius.4.TurntheJog-DialsothattheHeavydutycycleisturnedon,TheWaterTemperaturewillbe

displayedinFahrenheit.5.TurntheJog-DialsothatthePermPresscycleisturnedon,Thedoorstatuswillbedisplayed(OP

ifopen,CLifclosed).6. TurntheJog-DialsothattheRinse+SpinorQuickWashisturnedon,TheDoorLockSwitch

statuswillbedisplayed(ULifunlocked,LOiflocked).


WARNING



11

Diagnostic Code Check Mode

Definition of Diagnostic Code Check Mode:- DiagnosticCodeCheckModeistobringupthestoreddiagnosticcodes(referecodesforservice

technicians).How to Enter:- ToentertheDiagnosticCodeCheckModewithcode“d”flashing,presstheSpinkeyduring

ServiceMode.Board Input Test Mode:1.ActivatetheServiceModefirst.2. Pressthe“Spinkey”keytostartErrorCodeCheckModewithCode“d”flashing.3. Tocyclethroughtheerrorcodes,turntheRotaryCycleSelectorinonedirection(either

ClockwiseorCounterclockwise).4. Now,whenturningtheRotarySelectorKeyinthesamedirection,itshowserrorcodesfromthe

latest.5. Whenturningitintheoppositedirection,itshowstheerrorcodesinthereverseorder.


WARNING

Service Mode Spin Diagnostic Code



12

Demo Mode

- DemomodeisenteredwhenthePureCycle+ExtraRinsebuttonsarehelddownforfive(5)secondssimultaneouslyinthepoweronstate.

- WhenenteringDemomode,thebuzzerringsthree(3)timesand“----”isdisplayedonthe7segmentdisplayandallotherLEDsareturnedoff.(InitialDemomode)

- DemomodeconsistsofWASH,SPINandLEDmodes.- IftheTempbuttonispressedduringtheinitialDemomode,“WASH”blinksonthe7segment

displayandthewashingmachineentersWASHmode.- IftheStart/PausebuttonispressedinWASHmode,thedoorislocked(DoorLock)andthemotor

rotatesleftandrightat45RPMina7seconand3-secoffcycle.- WASHmodecontinuesuptofive(5)minutesoncestarted.Afterthefive(5)minuteshave

elapsed,“----”isdisplayedonthe7segmentdisplayandtheinitialDemomodeismaintained.- IftheStart/PausebuttonispressedduringaWASHmodeoperation,“----”isdisplayedonthe7

segmentdisplayandtheinitialDemomodeismaintained.- IftheSpinbuttonispressedintheinitialDemomode,“Spin”blinksonthe7segmentdisplay

andthewashingmachineentersSPINmode.- IftheStart/PausebuttonispressedintheSPINmode,thedoorislocked(DoorLock)andaspin

isoperatedat1030RPM.Whenthespeedreaches0RPM,theNoSpin,Low,Medium,High,andExtraHighLEDsareturnedon.

- Duringaspinoperation,theNoSpinLEDturnsonwhenthespeedislowerthan400RPM.TheLowLEDturnsonbetween400RPMand700RPM.TheMediumLEDturnsonbetween700RPMand900RPM.TheHighLEDturnsonbetween900RPMand1030RPM.AllspinspeedLEDturnoffmorethan1030RPM.

- SPINmodecontinuesuptofour(4)minutesoncestarted.Afterthefour(4)minuteshaveelapsed,“----”isdisplayedonthe7segmentdisplayandtheinitialDemomodeismaintained.

- IftheStart/PausebuttonispressedduringaSPINmodeoperation,“----”isdisplayedonthe7segmentdisplayandtheinitialDemomodeismaintained.

- IftheStart/PausebuttonispressedinLEDmode,allLEDsareturnedon.TheLEDmodecontinuesuptothirty(30)secondsoncestarted.Afterthethirty(30)secondshaveelapsed,“----”isdisplayedonthe7segmentdisplayandtheinitialDemomodeisentered.

- IftheStart/PausebuttonispressedduringanLEDmodeoperation,“----”isdisplayedonthe7segmentdisplayandtheinitialDemomodeisentered.


WARNING


13

TROUBLE DIAGNOSIS- Asthemicomwashmachineisconfiguredofthecomplicatestructure,theremightbethe

servicecall. Belowinformationispreparedforexacttroublediagnosisandsuitablerepairguide.

Caution for the Repair and Replacement

Pleasefollowbelowinstructionforthetroublediagnosisandpartsreplacement.

1) Assomeelectroniccomponentsaredamagedbythechargedstaticelectricityfromtheresinpartofmachineorthehumanbody,preparethehumanbodyearthorremovethepotentialdifferenceofthehumanbodyandmachinebycontactingthepowersupplyplugwhentheworkcontactingtoPCBisexecuted.

2) SinceAC120VisappliedtothetriacT1andT2onP.C.B,theelectricshockmayoccurbytouchingandbecarefulthatthestrongandweakelectricityaremixed.

3) AstheP.C.Bassemblyisdesignedfornotrouble,donotreplacetheP.C.Bassemblybythewrongdiagnosisandfollowtheprocedureofthetroublediagnosiswhenthemicomisnotoperatednormally.

TROUBLE SHOOTING


WARNING


14

TROUBLE DIAGNOSISWill Not Start• Plugtheunitintothewalloutlet.Checkforpropervoltage.• Checkfuseorresetcircuitbreaker.• PushanykeytoturnonthewasherandpresstheStart/Pausekeytorunthewasher.• ClosedoorandpushtheStart/Pausekeytorunthewasher.• Checkifwasherisinapause,soakorsudsprocess.Waitbrieflyanditmaystart.(Ifthewasherisinsuds

period,Sudswilllightupinsteadofremainingtime.)• Checkforrestricteddrainsystem.(Ifthereiselectricalproblemindrainsystem,“nd”errorwilloccurafter30

minutes.)• CheckWaterSupply.• Checkthelineorwatervalvescreenfilter.• CheckifPCBconnectorsareassembledproperly.• CheckifCN2terminalsonPCBareingoodcondition.(RefertoPCBConnectorCheck.)• ReplacePCB.Leaking• Makesureinlethoseconnectionsarenotleaking.Checkforrubbergasketdamageduetoovertightening.• Checkstandpipeforleak.Wrapadryragaroundthestandpipeopening.

Ifragbecomeswet,leakisfaultofhomeplumbing. Besurethestandpipeiscapableofacceptingtheflowofwaterfromthewasher.

• Makesureendofdrainhoseiscorrectlyinsertedandsecuredtodrainstandpipe.• Checkinternalhoseconnections(fill,drainsystems,dispenserhoses&clamps).• Checkrubberboot.Remove,repositionandreinstall,ifnecessary.• Checkforpossiblekinkeddispensertooutertubhose.Hotwaterpressurizationmayforcedooropen.Will Not Spin• Makesuretoclosethedoorcompletely.• Checkforwaterleftinsidethewasher.Ifso,goto“WillNotDrain”.• PerformQuickTestModeorQuickSpinTest.Doesthewasherspin?(Beforethetest,emptytheunitinside.)

Ifitdoesn’ttumbleaftertheabove,changePCB.Whentheproblempersists,changethemotor.• PerformQuickTestModeorQuickSpinTest.Doesthewasherspin?Ifitdoes,CheckPossibleunbalanced

loadscenarioinnormalmode.• CheckforlooseconnectionsatPCB,WaterLevelSensor,Motor,HallSensorWireHarness.(CN9,CN1,CN8)

(RefertotheComponentTestingProcedure.)• Checkmotorwindingsresistance.(CN8Pin1&3=11.6ohms(at±7%20°C/68°F),

Pin1&2=11.6ohms(at±7%20°C), Pin2&3=11.6ohms(at±7%20°C))

TROUBLE SHOOTING


WARNING


15

TROUBLE DIAGNOSISNo Water Fill• PerformQuickTestMode.CheckallofWaterValvesvisually.

(ColdWaterValve,BleachWaterValve,SoftenerdispensesusingCold&BleachWaterValve,andHotWaterValve.)

• Checkifwatertapsareturnedonfully.• CheckWaterValvesandWaterLevelSensor(RefertoPCBConnectorCheck)• Checkifthereisanykinkininlethoses.• Checkifinletscreensarecloggedup.• Checkifwaterhasenoughpressure.Ifso,findoutitscontributors.• Checkifthereisanyfrozenareaintheunit(DrainHose,etc)• MeasuretheresistanceofWaterValveCoil.

(Itshouldread1.18Kohms.CheckPin#3ofCN6andpin#1.2.3.4ofCN4)• CheckPressureS/WandPCBforlooseconnections.(RefertoPCBConnectorCheck.)Tub Full of Suds• Goto“WillNotDrain”and“WillNotSpin”andcheckthedraining.• CheckPCBandDrainPumpforanyloosewireconnection.• PerformQuickTestModeorBoardOutputTesttodrain.• UseHE(High-Efficiency)orlowsudsingdetergentspeciallyformulatedforfrontloadwashers.• Reducetheamountofdetergentforthatspecificloadsizeandsoillevel.Keepinmindthattowelcreates

moresudsgenerally.• Reducetheamountofdetergentwhenwaterissoft,orlaundryissmallorlightlysoiled.• Doonemorewashingcyclewithcoldwaterandatablespoonofsaltwithoutdetergent.Wet Clothes• Unbalanceduetonotenoughload.Putadditionalload.• Duetoexcessivesudsbyusinggeneraldetergent.UseHE(High-Efficiency)orreduceitsquantity.• LowSpinSpeedorDrainOnlywasselected.• Goto“WillNotSpin”.Will Not Lock• PerformQuickTestMode.CheckDoorLock.

Checkthereistancefordoorlock.ifApprox0.2ohmbetweentheterminalofcontact(white-Redwire), andifnot,changepcb(refertopcbconnectorcheck).

• ReadLockSwitchandPCB(CN3).(RefertoPCBConnectorCheck.)Will Not Unlock• Displayshows“LO”.Turnoffandontheunit.If“LO”keepsilluminating,checkPCBandDoorLockSwitch.• ReadLockSwitchandPCB(CN3).(RefertoPCBConnectorCheck.)• PerformQuickTestMode.CheckDoorLock.ChecktheresistancefordoorunlockifApprox0.2ohmbetween

theterminalofcontact(white-bluewire),andifnot,changepcb(refertopcbconnectorcheck).

TROUBLE SHOOTING


WARNING


16

TROUBLE DIAGNOSISNo Key Operation• OptionandFunctionbuttonsresponddifferentlyaccordingtoeachcycle.• ChildLockisbeingactivated.Toexit,holddownSpinlevelkeyandsoillevelkeysimultaneouslyuntilitsends

outabeepingsound.• When“End“illuminatesonthedisplay,onlyPowerbuttonworks.PressPowerbuttonandmakenewcycle

selections.Will Not Drain• Checkforanykinkonthedrainhose.Ifany,straightitout.• Checkforanyrestrictioninthedrainhose.• ClosethedoorandpresstheStart/PauseButton.Forsafetyreasons,thewasherdoesnottumbleorspinwith

thedooropen.• Whenitisfreezingoutside,checkifitisfrozeninsidethedrainhose.• Checkifthewaterlevelsignalinputiscorrect.GotoBoardInputTestMode.• GotoQuickTestModeanddoDrainPumpTest.• Checkifthereisanytwistinthehose(theonebetweenTubandDrainPump).• CheckifitreadsAC120Vatthepumpwhenaspincycleisselected.• Readthewindingresistanceofthepumpmotor.(14.2±7%Ohms)• CheckthepumpatPin#3ofCN6andpin#7ofCN4onPCB.ItshouldreadAC110~120V.(RefertoPCB

ConnectorCheck)Wrong Water Temperature• Checkifbothofthewatertapsarefullyopen.• Ifthewaterheaterislocatedfarfromthewasher,screwoutthehotwatertapandletitswaterpassuntilyou

gethotwater.• TooHot/TooCold:ReducedamountofwaterissuppliedwhilePCBcontrolstheinfluxtoregulatetheactual

temperatureofthewaterinthetub.Thismayappeartobesignificantlyhotter/colderthanexpected.• Checkifthetemperatureselectioniscorrect.• DisconnectinlethosesfromtheWaterValveandremoveanyresidueintheinletscreens.Noisy and/or Vibration/Walking• Checkifthewasherisleveledandthelocknutsaretighteneduponthebottomplate.• Checkifalloftheshippingboltsandspacersareremovedfromthebackpanel.• Checkifloadisbigenoughandthereisnounbalance.Ifthereisnotenoughload,putinafewtowelstobalanceit.• Checkifthemotorisfastenedenough.• Removevarioustroublecontributors(suchasdustcoatonthefloor).Buttons do not Respond• OptionandFunctionbuttonsresponddifferentlyaccordingtoeachcycle.• ChildLockfeaturehasbeenselected.TodisablefeaturepressandholdTempandSpinsimultaneouslyuntila

beepisheard.• Whendisplayshows“End”,onlythePowerbuttonwillfunction.PressPowerandmakenewcycleselections.

TROUBLE SHOOTING


WARNING


17

Hall Sensor CheckCheckVoltageatPin#4and#3ofCN1TesterCheck=DC0.6VCheckVoltageatPin#4and#2ofCN1TesterCheck=DC0.6VMotor CheckResistanceatPin#1ofCN8andGND=280㏀ResistanceatPin#2ofCN8andGND=280㏀ResistanceatPin#3ofCN8andGND=280㏀Drain Motor_Pump CheckCheckVoltageatPin#3ofCN6andPin#9ofCN4WhenDrainPumpoperates=AC120VWater Valves/ CheckCheckVoltageatPin#3ofCN6andPin#1,2,3,4ofCN4WhenValvesoperates=AC120V

Clutch-MotorCheckVoltageatPin#3ofCN6andPin#8ofCN4WhenValvesoperates=AC120VPumpCheckVoltageatPin#3ofCN6andPin#7ofCN4WhenValvesoperates=AC120VHeater Relay CheckCheckVoltageatPin#1ofCN8andPin#1ofRY13WhenHeaterRelayoperates=AC120VAC Power CheckCheckVoltageatPin#1and#3ofCN6CheckVoltageatPin#1ofCN6andPin#2ofRY13TesterCheck=AC120VDoor Lock CheckCheckVoltageatPin#3and#5ofCN3WhenDoorLock=DC6.5V

PROBLEM CHECKING AND METHOD OF PCB- IfyoupluginthepowercordandturnPowerS/Won,memorizeddataisdisplayed.

Ifanydataisnotdisplayed,checkthefollowings.

Thermistor CheckCheckResistanceatPin#9and#7ofCN8TesterCheck=47㏀

Water Sensor CheckCheckFrequencyatPin#11and#7ofCN8Resetfrequency=25.6KHzCheckFrequencyatPin#12and#7ofCN8Resetfrequency=25.6KHz

TROUBLE SHOOTING


WARNING


18

Model : WA5471*, WA5451*

WIRING DIAGRAM


WARNING


19

WATER FLOW DIAGRAM


WARNING


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