WASHING MACHINE - Technical Information

1

WASHING MACHINETechnical Information

Code No. : DC68-03132F_EN

• Duetopossibilityofpersonalinjuryorpropertydamage,alwayscontactanauthorizedtechnicianforservicingorrepairofthisunit.

• RefertoServiceManualfordetailedinstallation,operating,testing,troubleshooting,anddisassemblyinstructions.

Models : WA56H9000A*

AllsafetyinformationmustbefollowedasprovidedinServiceManual.

CAUTION

Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.

WARNING

WA9000HA WASH_WA56H_TECH MANUAL_DC68-03132F_EN.indd 1 2014-1-22 9:18:18

ALIGNMENT AND ADJUSTMENTS

2

GENERAL ERROR FUNCTION

NOError Code

(Diagnostic Code Error Image)

Description Corrective Action

1 5EThewaterlevelfailstodropbelowtheResetWaterLevelwithin30minutes.

Goto“WillNotDrain”TroubleshootingSection.

2 dE1 DoorfailstoUnlock/lockAfter7attempts.

Goto“WillNotUnlock/Lock”TroubleshootingSection.

3 4EWhenthefillingcontinuesformorethan60minutesorthereisnochangeofwaterlevelfor5minutes.

Goto“NoWaterFill”TroubleshootingSection.

4 LEAwaterlevellowerthantheResetwaterlevelisdetectedfor5secondsduringtheWash/Rinsecycle.


5 1E

WaterLevelSensorTrouble.(Whentheinputsignalfromthewaterlevelsensorisoutofrange,theunitwillsendoutbeepingsoundsandhaltsthecycle.)


6 OE

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

Firstchecktoseethatallofwatervalvesarenotstuck.IfthewatervalvesareOK,checkwaterlevel.

7 UE Unbalanceorcabinetbumpisdetectedduringfinalspin.

Goto“WetClothes”TroubleshootingSection.

8 dE Doorisdetectedasopenwhileitistryingtolockthedoor.

Goto“QuickTestMode”andthendoDoorLock/UnlockTest.

9 tEThisoccurswhenthewatertemperaturesensorfaultisdetectedcontinuouslyfor5seconds.

Goto“BoardInputTest”andcheckWaterTemperature.Checklooseorpinchedwires.ReplacePCBorthermistor.

10 3E

MICOMisattemptingtodrivethemotorbutisnotgettinganyresponsesignalsfromthehallsensor.Visualcheckshowsmotorisnotrunning.(Locked,DefectiveHallSensororOverload.)

Evaluatewireharnessforlooseorunhookedconnections.Goto“QuickTestMode”andtestMotor.

11 4E Thehot/coldwaterhoseconnectionisnotcorrect.

Pleaseconnectthehot/coldwaterhoseconnectioncorrectly.


WARNING



3

NOError Code

(Diagnostic Code Error Image)

Description Corrective Action

12SUdSd

Sudsisdetectedduringthewashingsession.(“SUd”or“Sd”isnotanerror.Whenitfinisheswashing,Endandthe“SUd”or“Sd”codewillblinkinturn.)

Guideausertoreduceamountofdetergentused.

13 AE CommunicationerrorbetweenSUBPBAandMAINPBA.

CheckMainPBA,SUBPBA&Wire-harness.ReplacePCB.

148E

8E2

IftheMEMScommunicationerrororMEMStroublediagnosiserroroccur,thismessagewillbedisplayed.

1.ChecktheMEMSsensorandPBA.2.Checkthewireconnectorterminals.

15 bE2 Abutton exceptthePowerbuttoniscontinuallypressed.

CheckwhethereitherthePowerswitchoratactswitchiscontinuallypressed.

16 4E2 Thehot/coldwaterhoseconnectionisnotcorrect.

Pleaseconnectthehot/coldwaterhoseconnectioncorrectly.

17PE

(ClutchMotorError)

Thiserroroccurswhenthepositionoftheclutchisnotdetected.-Ifthepositiondetectionsignalisnotreceived15secondsaftertheclutchmotorstarts,thespindrumisshakenleftandrightandthenthemotorisrestarted.Ifthemotorpositionsignalisnotreceivedevenafter3reattempts,aPEerroroccurs.

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

18PE1

(clutchhallsensorerror)

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

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

19 AE6 CommuicationerrorbetweenINVERTERPBAandMAINPBA.

CheckINVERTERPBA&WireHarness,ReplacePCB.


WARNING



4

TEST MODETest Mode:EachTestModeisasfollowsinthecomingpages.Thetestmodesaremodesunabletogetanaccessoncethewashingcyclehasstartedduetosafetyreasons.

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’slightupanditsendsoutaBeep

SoundwhenitentersintotheQuickTestMode.(Including7-Segment)

2. DisplayssoftwareversionforasecandClearEEPROM.

3. Whentheversionisdisplayed,turntheJog-Dialsothattheversiondisappears.Pressthefollowingkeystotestthevariouscomponents. -Temp.Key:WaterValveTest -DelayEnd:DoorLock/UnlockTest

-Spin:DrainPump/CirculationPumpTest -SoilLevelKey:HeaterTest


WARNING

.



6

Continuous Run Mode

Definition of Continuous Run Mode:- WillcontinuouslyrepeatthecurrentcycleuntiltheContinuousRunModeiscancelled.How to Enter:- PressDelayEnd+EcoPlusKeytogetherfor5sec.Continuous Run Mode:1. PressDelayEnd+EcoPlusKeyfor5secduringPowerOnState(NormalUserMode).2. OnceinContinuousRunMode,Thesevensegmentswillnolongerdisplay“0000”andwillalternate

betweendisplayingthenumberofcyclesofthecompletedcourseandtheremainingtimeofthecycle.3. TheContinuousRunModewillrepeatthepreviouscycleuntilcontinuousrunmodeiscancelled.4. DuringContinuousRunMode,pressDelayEnd+EcoPlusKeyfor5sectoreturntonormaluser

mode.Thesevensegmentswillnolongerdisplaythenumberofcyclesandwilldisplaythemaintenancetimeonly.

5. IfyouexitServiceModeafterenteringitfromContinuousMode,thewashingmachinereturnstoContinuousMode.

6. IfpowerislostinContinuousRunMode(thatis,whenthepowerplugisdisconnectedorthePowerkeyispressedturningthewashingmachineoff),themodeisreleasedwhenthewashingmachineisturnedonagain.

Service ModeDefinition of Service Mode:- ServiceModeenablesservicetechnicianstoverifytheoperationofthewashingmachineand

dotroubleshooting.- ServiceModecanbeenteredduringallwashingcycleswithoutinterruptingthecycle,except

withcertaintestmodes.- VarioustestscanbedonewithServiceMode.So,troubleshootingcanbedonebasedonthe

resultingdiagnosticcodes.How to Enter:- ToentertheServiceMode,presstheDelayEndandPreSoakKeysfor3secondsoruntiltheunit

sendsoutbeepingsounds.


WARNING

Eco PlusDelay End



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Service Mode

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

(i.e.,thecurrentcycleinprogresswillnotbeinterruptedandonlythedisplaywillchange)4. ToexitServiceMode,pressDelayEndandPreSoakKeysfor3secondagain,orPowerKey.If

nokeyisoperatedduringServiceModefor5minutes,themachinewillreturntonormalusermode.

Quick Spin Test Mode

Definition of Quick Spin Test Mode:- QuickSpinTestModeistodoSpinCheck.(HighRPM)How to Enter:- DuringServiceMode,presstheDelayEndandFabricSoftenerKeysfor3secondstoenterQuick

SpinTestMode.- Cannotenteroncethewashingcyclehasstarted.Quick Spin Test Mode:AsitentersintotheQuickSpinTestMode,itstartsspinningandreachesitsmaximumRPM.OncetheSpinspeedreachesthemaximumRPM,thespeeddropsimmediately.ToholdQuickSpinTestMode(enteringHoldSpeedMode),presstheStart/Pausebutton.IftheStart/PausebuttonispressedduringQuickSpinTestMode,itwillstopacceleratingandholditsspinningspeedfor10minutesbeforegoingbacktoQuickSpinTestMode.Also,tocanceltheholdandallowQuickSpinTestModetocontinue,presstheDelayEndandFabricSoftenerKeystogetherfor3seconds.IfyouholddowntheDelayEndandFabricSoftenerkeysforthree(3)secondswhenthewashingmachineisnotinHoldSpeedMode,QuickSpinModeisexitedandServiceModeisrestored.


WARNING

Delay End and Pre Soak

Delay End + Fabric SoftenerWhile it is not in Hold Speed Mode

Delay End + Fabric Softener3 sec

While a cycle is not running

Delay End + Fabric Softener for 3 sec or after 10 minutes



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Cycle Count Check Mode

Definition of Cycle Count Check Mode:- CycleCountCheckModeistotallyupthenumberofwashes.How to Enter:- ToentertheCycleCountCheckMode,pressthePreSoakKeyduringServiceMode.Cycle Count Check Mode:1. ActivatetheServiceModeinadvance.2.WhenthePreSoakkeyispressed,thetotalnumberofwasheswilllightupandaSelfCleanLED

willglow.3.Themaximumnumberofcycleswillbe1999.

Thecounterwillrolloverto0andstartcountingagainafter1999.4.Thecountingwillbecarriedoutattheendofthenormalcycle.

(FornormalandContinuousRuncycles,thecountiscarriedoutattheendofthecycles.5. ToexittheCycleCountCheckMode,pressthe“PreSoak”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,itreturnstotheServiceModewithmotorRPMilluminated.


WARNING



9

Fast Time Down Test Mode

Definition of Fast Time Down Test Mode:- FastTimeDownTestModeistoforwardtheprogramtothenextcyclestage.How to Enter:- ToentertheFastTimeDownTestMode,presstheTemp.keyduringServiceMode.Fast Time Down Test Mode:1. ActivatetheServiceModeinadvance.2. Toforwardtheprogramtothenextcyclestage,presstheTemp.key.

Board Input Test Mode

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

displayedinCelsius.4.TurntheJog-DialsothatthePermPresscycleisturnedon,TheWaterTemperaturewillbe

displayedinFahrenheit.5.TurntheJog-DialsothattheDelicates/HandWashcycleisturnedon,Thedoorstatuswillbe

displayed(OPifopen,CLifclosed).6. TurntheJog-DialsothattheQuickWashcycleisturnedon,TheDoorLockSwitchstatuswillbe

displayed(ULifunlocked,LOiflocked).7. TurntheJog-DialsothattheSelfCleancycleisturnedon,TheWaterFrequencywillbe

displayed.


WARNING

Eco Plus



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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



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Demo Mode

- DemomodeisenteredwhentheExtraRinse+PreSoakbuttonsarehelddownforthree(3)secondssimultaneouslyinthepoweronstate.

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

- DemomodeconsistsofWASH,SPINandLEDmodes.- IftheTemp.buttonispressedduringtheinitialDemomode,“USH”blinksonthe7segment

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

rotatesleftandrightat110RPMina1.1seconand1.3secoffcycle.- WASHmodecontinuesuptofive(5)minutesoncestarted.Afterthefive(5)minuteshave

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

segmentdisplayandtheinitialDemomodeismaintained.- IftheSpinbuttonispressedintheinitialDemomode,“SPn”blinksonthe7segmentdisplayand

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

isoperatedat950RPM.- SPINmodecontinuesuptofour(4)minutesoncestarted.Afterthefour(4)minuteshave

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

segmentdisplayandtheinitialDemomodeismaintained.- IftheSoilLevelbuttonispressedintheinitialDemomode,“LEd”blinksonthe7segment

displayandthewashingmachineentersLEDmode.- IftheStart/PausebuttonispressedinLEDmode,allLEDsareturnedon.TheLEDmode

continuesuptothirty(30)secondsoncestarted.Afterthethirty(30)secondshaveelapsed,“----”isdisplayedonthe7segmentdisplayandtheinitialDemomodeisentered.

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


WARNING

Extra Rinse + Pre Soak3sec

While a cycle is not running



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TROUBLE DIAGNOSIS- Asthemicomwashmachineisconfiguredinacomplicatestructure,theremightbetheneedfor

aservicecall. Thebelowinformationispreparedforexacttroublediagnosisandsuitablerepairguide.

Caution for the Repair and Replacement

Pleasefollowbelowinstructionforthetroublediagnosisandpartsreplacement.

1) Someelectroniccomponentsaredamagedbythechargedstaticelectricityfromtheresinpartofthemachineorthehumanbody.PreparebygroundingthehumanbodytothegroundorremovethepotentialdifferenceofthehumanbodyandmachinebycontactingthepowersupplyplugwhenexecutingaPCBcontact.

2) SinceAC120VisappliedtothetriacT1andT2onP.C.B,electricshockmayoccurbytouchingandbecarefulthatthestrongandweakelectricityarenotmixed.

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


WARNING


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

period,Sudswilllightupinsteadofremainingtime.)• Checkforrestricteddrainsystem.(Ifthereisanelectricalprobleminthedrainsystem,“nd”errorwilloccur

after30minutes.)• ChecktheWaterSupply.• Checkthelineorwatervalvescreenfilter.• CheckifPCBconnectorsareassembledproperly.• CheckifCN2terminalsonPCBareingoodcondition.(RefertoPCBConnectorCheck.)• ReplacePCB.Leaking• Makesureinlethoseconnectionsarenotleaking.Checkforrubbergasketdamageduetoovertightening.• Checkthestandpipeforleaking.Wrapadryragaroundthestandpipeopening.Iftheragbecomeswet,the

leakisthefaultofhomeplumbingandnotthemachine.• Besurethestandpipeiscapableofacceptingtheflowofwaterfromthewasher.• Makesuretheendofthedrainhoseiscorrectlyinsertedandsecuredtothedrainstandpipe.• Checkinternalhoseconnections(fill,drainsystems,dispenserhoses&clamps).• Checkrubberboot.Remove,repositionandreinstall,ifnecessary.• Checkforapossiblekinkeddispenserhosetotheoutertub.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.(CN6,CN2,CN6-1)

(RefertotheComponentTestingProcedure.)• Checkmotorwindingsresistance.(CN6-1Pin1&3=13.4ohms(at±5%25°C/77°F)

Pin1&3=13.4ohms(at±5%25°C) Pin1&3=13.4ohms(at±5%25°C)

TROUBLE SHOOTING


WARNING


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TROUBLE DIAGNOSISNo Water Fill• PerformQuickTestMode.CheckalloftheWaterValvesvisually.

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

• Checkifthewatertapsareturnedonfully.• ChecktheWaterValvesandtheWaterLevelSensor(RefertoPCBConnectorCheck).• Checkifthereisanykinkintheinlethoses.• Checkiftheinletscreensarecloggedup.• Checkifthewaterhasenoughpressure.Ifso,findoutitscontributors.• Checkifthereisanyfrozenareaintheunit.(DrainHose,etc.).• MeasuretheresistanceoftheWaterValveCoil.

(Itshouldread1.18Kohms.CheckPin#4ofPowerRelayandpin#1,2,3,4ofCN401)• CheckPressureS/WandPCBforlooseconnections.(RefertoPCBConnectorCheck.)Tub Full of Suds• Goto“WillNotDrain”and“WillNotSpin”andcheckthedraining.• CheckPCBandDrainPumpforanyloosewireconnection.• PerformQuickTestModeorBoardOutputTesttodrain.• UseHE(High-Efficiency)orlowsudsingdetergentspeciallyformulatedforfrontloadwashers.Thistypeof

detergentwillnotaffectcleaningperformanceinaTopLoadWasher.• Reducetheamountofdetergentforthatspecificloadsizeandsoillevel.Keepinmindthattowelscreate

moresudsgenerally.• Reducetheamountofdetergentwhenwaterissoft,orlaundryissmallorlightlysoiled.• Doonemorewashingcyclewithcoldwaterandatablespoonofsaltwithoutdetergent.Wet Clothes• Unbalanceduetonotenoughload.Putadditionalarticlesoflaundryinload.• Duetoexcessivesudsbyusinggeneraldetergent.UseHE(High-Efficiency)detergentorreduceit’squantity.• LowSpinSpeedorDrainOnlywasselected.• Goto“WillNotSpin”.Will Not Lock• PerformtheQuickTestMode.ChecktheDoorLock.

Checktheresistanceofthedoorlock.Itshouldhaveapprox0.2ohmbetweentheterminalofcontact(white-redwire),andifnot,changethepcb(refertopcbconnectorcheck).

• ReadLockSwitchandPCB(CN301,CN302).(RefertoPCBConnectorCheck.)Will Not Unlock• Displayshows“DE1”.Turnoffandontheunit.If“DE1”keepsilluminating,checkPCBandDoorLockSwitch.• ReadLockSwitchandPCB(CN301,CN302).(RefertoPCBConnectorCheck.)• PerformQuickTestMode.CheckDoorLock.ChecktheresistancefordoorunlockifApprox0.2ohmbetween

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

TROUBLE SHOOTING


WARNING


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

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

selections.Will Not Drain• Checkforanykinksinthedrainhose.Ifany,straightenout.• Checkforanyrestrictioninthedrainhose.• ClosethedoorandpresstheStart/PauseButton.Forsafetyreasons,thewasherdoesnottumbleorspinwith

thedooropen.• Whenitisfreezingoutside,checkifitisfrozeninsidethedrainhose.• Checkifthewaterlevelsignalinputiscorrect.GotoBoardInputTestMode.• GotoQuickTestModeanddoDrainPumpTest.• Checkifthereisanytwistinthehose(theonebetweenTubandDrainPump).• CheckifitreadsAC120Vatthepumpwhenaspincycleisselected.• Readthewindingresistanceofthepumpmotor.(15±10%Ohms)• CheckthepumpatPin#4ofPowerRelayandpin#10ofCN401onPCB.ItshouldreadAC110~120V.(Referto

PCBConnectorCheck)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(suchasacoatofdustonthefloor).Buttons do not Respond• OptionandFunctionbuttonsresponddifferentlyaccordingtoeachcycle.• ChildLockfeaturehasbeenselected.TodisablefeaturepressandholdTemp.andSpinsimultaneouslyuntil

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

TROUBLE SHOOTING


WARNING


16

Hall Sensor CheckCheckVoltageatPin#4and#3ofCN2TesterCheck=DC0.6VCheckVoltageatPin#4and#2ofCN2TesterCheck=DC0.6VMotor CheckResistanceatPin#1ofCN6-1andGND=226㏀ResistanceatPin#2ofCN6-1andGND=226㏀ResistanceatPin#3ofCN6-1andGND=226㏀Drain Motor_Pump CheckCheckVoltageatPin#4ofPowerRelayandpin#10ofCN401WhenDrainPumpoperates=AC120V

Water Valves/ CheckCheckVoltageatPin#4ofPowerRelayandpin#1,2,3,4ofCN401WhenValvesoperates=AC120VClutch-MotorCheckVoltageatPin#4ofPowerRelayandpin#5ofCN401WhenValvesoperates=AC120VAC Power CheckCheckVoltageatPin#4ofPowerRelayandpin#4ofHeaterRelayTesterCheck=AC120VDoor Lock CheckCheckVoltageatPin#3and#7ofCN301,Pin#3and#7ofCN302WhenDoorLock=DC6.5V

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

Ifanydataisnotdisplayed,checkthefollowings.

Thermistor CheckCheckResistanceatPin#8and#7ofCN6TesterCheck=47㏀

Water Sensor CheckCheckFrequencyatPin#10and#15ofCN6Resetfrequency=25.6KHzCheckFrequencyatPin#11and#15ofCN6Resetfrequency=25.6KHz

CN

802

CN103 CN801CN201 CN202 CN301 CN302

CN401

CN402

Power RelayHeater Relay

CN1

CN2

CN6-1

CN5

CN3

CN7Micom writing

CN12 CN6 CN14

TROUBLE SHOOTING


WARNING


17

Model : WA56H9000**

WIRING DIAGRAM


WARNING


18

COLD

HOT

BLACK

WHITE

RED

BLEACH

BLUE

MIST

BLUE

WATER FLOW DIAGRAM


WARNING


19

MEMO



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WASHING MACHINE - Technical Information