washing machinepdf.lowes.com/useandcareguides/036725570214_use.pdf · 2012-06-30 · are ok, check...
TRANSCRIPT
1
WASHING MACHINETechnical Information
Code No. : DC68-03011B_EN
• Duetopossibilityofpersonalinjuryorpropertydamage,alwayscontactanauthorizedtechnicianforservicingorrepairofthisunit.
• RefertoServiceManualfordetailedinstallation,operating,testing,troubleshooting,anddisassemblyinstructions.
AllsafetyinformationmustbefollowedasprovidedinServiceManual.
CAUTION
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 1 2011-06-24 �� 6:20:23
ALIGNMENT AND ADJUSTMENTS
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GENERAL ERROR FUNCTION
NOError Code
(Diagnostic Code Error Image)
Description Corrective Action
1 nd ThewaterlevelfailstodropbelowtheResetWaterLevelwithin15minutes.
Goto“WillNotDrain”TroubleshootingSection.
2 Lo DoorfailstoUnlockAfter7attempts. Goto“WillNotUnlock”TroubleshootingSection.
3 nFWhenthefillingContinuesformorethan40minutesorthereisnochangeofwaterlevelfor6minutes.
Goto“NoWaterFill”TroubleshootingSection.
4 FL Doorfailstolockafter7attempts. Goto“WillNotLock”TroubleshootingSection.
5 LEAwaterlevellowerthantheResetwaterlevelisdetectedfor5secondsduringtheWash/Rinsecycle.
Goto“NoWaterFill”TroubleshootingSection.
6 1E Waterlevelsensorproblem. GOyo“NOWaterFill”Troubleshootingsection
7 dL Doorisunlockedwhenwasherisrunning.
PressthePowerbuttontoturnoffyourwasher,thenrestartthecycle.Ifthecodereappears,callforservice.
8 OE
Afaultisdetectedinthewaterlevelsensor.Data(frequency)showsthewaterlevelisatorabovetheoverflowwaterlevel.(Whenthisconditionisdetected,themachinewillautomaticallystartsdrainingwateruntilthewaterlevelfallsbelowtheresetwaterlevel)
Firstchecktoseethatallofwatervalvesarenotstuck.IfwatervalvesareOK,checkwaterlevel.
9 dc
Unbalanceorcabinetbumpisdetectedduringfinalspin,whichpreventsthedrumfromspinningover150rpm.(Neverexceeds150RPMduetounbalancedload)
Goto“WetClothes”TroubleshootingSection.
10 E2JammedKey.(Whenkeyinputsignalsarecomingoutformorethan30seconds,itisregardedasajam.)
Checkallofkeys.IfAkeyissensedtobepressed,allkeyswilldonotrespond.
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 2 2011-06-24 �� 6:20:23
ALIGNMENT AND ADJUSTMENTS
3
NOError Code
(Diagnostic Code Error Image)
Description Corrective Action
11 dS Doorisdetectedasopenwhileitistryingtolockthedoor.
Goto“QuickTestMode”andthendoDoorLock/UnlockTest
12 tEAbnormalhigh/lowtemperatureorresistance(ThermalsensororPBAresistance).
Goto“BoardInputTest”andcheckWaterTemperature.Checklooseorpinchedwires.ReplacePCBorthermistor.
13 3E Motorproblem restartthecycleifthecodereappears,callforservice
14 Hr HeaterRelayFailure(NoHeaterRelayCheckSignal) ReplacePCB
15 nF1 Thehot/coldwaterhoseconnectionisnotcorrect.
Pleaseconnectthehot/coldwaterhoseconnectioncorrectly.
16 2E Voltageformotorcontrolbusisoverorunderspecifiedlimit. ReplacePCB
17 Suds
Sudsisdetectedduringthewashingsession.(“SUdS”isnotanerror.Ifthewasherisinsudsperiod,“SUdS”willlightupinsteadofremainingtime.)
Guideausertoreduceamountofdetergentusage.
18 AE CommunicationerrorbetweenSUBPBAandMAINPBA
CheckMainPBA, SUBPBA&Wire-harness.ReplacePCB
19 8E1 FrontMEMSsensorproblemCheckMEMSSensor,MANIPCB&WIREHarness
20 8E2 RearMEMSsensorproblemCheckMEMSSensor,MANIPCB&WIREHarness
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 3 2011-06-24 �� 6:20:24
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TEST MODETest Mode:EachTestModefortheGRACEisasfollowsinthecomingpages.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.- PressSoilKey,SpinKeyandPowerKeyatthesameTime.
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
Special Test Mode
Power Off State
Quick Test Mode
EEPROM ClearMode
Continuous CycleMode
Service Mode
Demo Mode
Quick Spin Test Mode
Cycle Count Check Mode
S/W Version Check Mode
Fast Time Down Test Mode
Board Input Test Mode
Diagnostic Code CheckMode
Power On State(Normal User Mode)
(Technical information)WF501ANWX-03011B_EN.indd 4 2011-06-24 �� 6:20:24
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Quick Test Mode:1. AllLED’slightupanditsendsoutBeepSoundwhenit
entersintotheQuickTestMode.(Including7-Segment)2. DisplayssoftwareversionforasecandClearEEprom.(Ex.If
S/WVersionis49,7-SegmentwilldisplayL349)3. Whentheversionisdisplayed,turntheJog-Dialsothat
theversiondisappears.Pressthefollowingkeystotestthevariouscomponents. -TempKey:WaterValveTest -SpinKey:DoorLock/UnlockTest -SoilKey:WaterHeaterTest -IntensiveWash:DrainPumpTest
EEPROM Clear CheckDefinition of EEPROM Clear Mode:- EEPROMinitialization.- Allcourse/optionsettingsaretoberesettodefault
valuesafterEEPROMinitialization.- WhenServicearisesanditneedsPCBreplacement,
EEPROMshouldbereset.How to Enter:- Theunitneedstobeon.- PressDelayStartKey,andPowerKeyatthesame
time.
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 5 2011-06-24 �� 6:20:24
ALIGNMENT AND ADJUSTMENTS
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Continuous Run Mode
Definition of Continuous Run Mode:- WillcontinuouslyrepeatthecurrentcycleuntiltheContinuousRunModeiscancelled.How to Enter:- PressTemp+IntensiveWashKeytogetherfor7sec.Continuous Run Mode:1. PressTemp+IntensiveWashKeyfor7secduringPowerOnState(NormalUserMode).2. OnceinContinuousRunMode,Thesevensegmentswillnolongerdisplay“0000”andwillalternate
betweendisplayingthenumberofcyclesofthecompletedcourseandtheremainingtimeofthecourse.3. TheContinuousRunModewillrepeatthepreviouscycleuntilcontinuousrunmodeiscancelled.4. DuringContinuousRunMode,presstemp+spinKeyfor7sectoreturntonormalusermode.The
sevensegmentswillnolongerdisplaythenumberofcyclesandwilldisplaythemaintenancetimeonly.
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.
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 6 2011-06-24 �� 6:20:24
ALIGNMENT AND ADJUSTMENTS
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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,presstheDelayStart+RinseAddKeysfor3secondstoenterQuickSpin
TestMode.- Cannotenteroncethewashingcyclehasstarted.Quick Spin Test Mode:AsitentersintotheQuickSpinTestMode,itstartsspinningandreachestoitsmaximumRPM.OncetheSpinspeedreachesthemaximumRPM,thespeeddropsimmediately.ToholdQuickSpinTestMode(enteringHoldSpeedMode),presstheStart/Pausebutton.IftheStart/PausebuttonispressedduringQuickSpinTestMode,itwillstopacceleratingandholditsspinningspeedfor10minutesbeforegoingbacktoQuickSpinTestMode.Also,tocanceltheholdandallowQuickSpinTestModetocontinue,presstheDelayStart+RinseAddKeystogetherfor3seconds.IfyouholddowntheDelayStart+RinseAddkeysforthree(3)secondswhenthewashingmachineisnotinHoldSpeedMode,QuickSpinModeisexitedandServiceModeisrestored.
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 7 2011-06-24 �� 6:20:24
ALIGNMENT AND ADJUSTMENTS
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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)GenerateL349atVersion49(L3isMicomcode,49isit’ssoftwareversion)3. ToexittheS/WVersionCheckMode,presstheSoilLevelS/Wonceagain.
Then,itreturnstotheServiceModewithmotorRPMilluminating.
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 8 2011-06-24 �� 6:20:24
ALIGNMENT AND ADJUSTMENTS
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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
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 9 2011-06-24 �� 6:20:24
ALIGNMENT AND ADJUSTMENTS
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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-DialsothatthenormalcourseLEDisturnedon,andTheWaterTemperaturewillbe
displayedinCelsius.4.TurntheJog-DialsothattheHeavydutycycleLEDisturnedon,TheWaterTemperaturewillbe
displayedinFahrenheit.5.TurntheJog-DialsothatthePermPresscycleLEDisturnedon,Thedoorstatuswillbedisplayed
(OPifopen,CLifclosed).6. TurntheJog-DialsothattheSanitizeLEDisturnedon,TheDoorLockSwitchstatuswillbe
displayed(ULifunlocked,LOiflocked).
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 10 2011-06-24 �� 6:20:24
ALIGNMENT AND ADJUSTMENTS
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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.
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
Service Mode Spin Diagnostic Code
(Technical information)WF501ANWX-03011B_EN.indd 11 2011-06-24 �� 6:20:24
ALIGNMENT AND ADJUSTMENTS
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Demo Mode
- DemomodeisenteredwhentheDelayStart+SoilLevelbuttonsarehelddownforfive(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
isoperatedat1150RPM.Whenthespeedreaches0RPM,theNoSpin,Low,Medium,High,andExtraHighLEDsareturnedon.
- Duringaspinoperation,theNoSpinLEDturnsonwhenthespeedislowerthan400RPM.TheLowLEDturnsonbetween400RPMand700RPM.TheMediumLEDturnsonbetween700RPMand900RPM.TheHighLEDturnsonbetween900RPMand1100RPM.AllspinspeedLEDturnoffmorethan1100RPM.
- SPINmodecontinuesuptofour(4)minutesoncestarted.Afterthefour(4)minuteshaveelapsed,“----”isdisplayedonthe7segmentdisplayandtheinitialDemomodeismaintained.
- IftheStart/PausebuttonispressedduringaSPINmodeoperation,“----”isdisplayedonthe7segmentdisplayandtheinitialDemomodeismaintained.
- ForLEDmode,useSOILLEVELkey.- IftheStart/PausebuttonispressedinLEDmode,allLEDsareturnedon.TheLEDmode
continuesuptothirty(30)secondsoncestarted.Afterthethirty(30)secondshaveelapsed,“----”isdisplayedonthe7segmentdisplayandtheinitialDemomodeisentered.
- IftheStart/PausebuttonispressedduringanLEDmodeoperation,“----”isdisplayedonthe7segmentdisplayandtheinitialDemomodeisentered.
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 12 2011-06-24 �� 6:20:24
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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
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 13 2011-06-24 �� 6:20:25
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TROUBLE DIAGNOSISWill Not Start• Plugtheunitintothewalloutlet.Checkforpropervoltage.• Checkfuseorresetcircuitbreaker.• PushanykeytoturnonthewasherandpresstheStart/Pausekeytorunthewasher.• ClosedoorandpushtheStart/Pausekeytorunthewasher.• Checkifwasherisinapause,soakorsudsprocess.Waitbrieflyanditmaystart.(Ifthewasherisinsuds
period,Sudswilllightupinsteadofremainingtime.)• Checkforrestricteddrainsystem.(Ifthereiselectricalproblemindrainsystem,“NODraining”errorwilloccur
after15minutes.)• CheckWaterSupply.• Checkthelineorwatervalvescreenfilter.• CheckifPCBconnectorsareassembledproperly.• CheckifCN6terminalsonPCBareingoodcondition.(RefertoPCBConnectorCheck.)• ReplacePCB.Leaking• Makesureinlethoseconnectionsarenotleaking.Checkforrubbergasketdamageduetoovertightening.• Checkstandpipeforleak.Wrapadryragaroundthestandpipeopening.
Ifragbecomeswet,leakisfaultofhomeplumbing. Besurethestandpipeiscapableofacceptingtheflowofwaterfromthewasher.
• Makesureendofdrainhoseiscorrectlyinsertedandsecuredtodrainstandpipe.• Checkinternalhoseconnections(fill,drainsystems,dispenserhoses&clamps).• Checkrubberboot.Remove,repositionandreinstall,ifnecessary.• Checkforpossiblekinkeddispensertooutertubhose.Hotwaterpressurizationmayforcedooropen.No Tumble• Startnormalcyclewithanemptymachineandallowafilltochecktumble.• PerformQuickSpinTest.(Beforetest,makesurethatthetumblerisempty.)• CheckforlooseconnectionsatMachineControlBoard,PressureSwitch,Motor,TachHarnessandMotor
Control.(Refertothecomponenttestingprocedure)• Checkmotorwindingsresistance. CN8pins1&3=11.6ohms±7%, Pins1&2=11.6ohms±7%, Pins2&3=11.6ohms±7%• FaultyMainControlBoard.• Faultymotor.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.(CN7,CN5,CN6)
(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
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 14 2011-06-24 �� 6:20:25
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TROUBLE DIAGNOSISNo Water Fill• PerformQuickTestMode.CheckallofWaterValvesvisually.
(PreWashValve,ColdWaterValve,BleachWaterValve,SoftenerdispensesusingCold&BleachWaterValve,andHotWaterValve.)
• Checkifwatertapsareturnedonfully.• CheckWaterValvesandWaterLevelSensor(RefertoPCBConnectorCheck)• Checkifthereisanykinkininlethoses.• Checkifinletscreensarecloggedup.• Checkifwaterhasenoughpressure.Ifso,findoutitscontributors.• Checkifthereisanyfrozenareaintheunit(DrainHose,etc)• MeasuretheresistanceofWaterValveCoil.
(Itshouldread1.18Kohms.CheckPin#1ofCN6andPIN#1,2,7,8,9ofCN1)• 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• Doorisnotalignedorclosedproperly.• PerformQuickTestMode.CheckDoorLock.
ChecktheoutputvoltageofDoorLockCoil. Ifitreads120V,changeDoorLockSwitch,andifnot,changePCB.(RefertoPCBConnectorCheck.)
• ReadLockSwitchandPCB(CN6&CN1).(RefertoPCBConnectorCheck.)• TryDoorLockandcheckfor120VtoDoorLockConnector.If120Vpresent,changeMainControlBoardand
ifnot,changeDoorLockswitch.Will Not Unlock• Checkifthedoorisbeingpushedout,whichmaykeepitfromunlocking.• Doorlocksitselfwhenthewaterlevelistoohigh.Openingdoorwillresultinwaterdrainingfromdooropening.• CheckthefollowingwithBoardInputTestMode.
WaterLevel(frequency):Over23.80KHz. Ifso,referto“WillNotDrain”. Temperature(InsideDrum):Higherthan60ºC/140ºF. Ifso,waituntilitdrops. Wheneverythingisnormal,checkPCBconnectorsandDoorLockSwitch.
• Drainmanuallyafterremovingtheplasticdrainhoseholder.• Displayshows“Thedoorwillnotunlock”.Turnoffandontheunit.If“Thedoorwillnotunlock”keeps
illuminating,checkPCBandDoorLockSwitch.
TROUBLE SHOOTING
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 15 2011-06-24 �� 6:20:25
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TROUBLE DIAGNOSIS• ReadLockSwitchandPCB(CN6&CN1).(RefertoPCBConnectorCheck.)• PerformQuickTestMode.CheckDoorLock.ChecktheoutputvoltageofDoorLockCoil.
Ifitreads120V,changeDoorLockSwitch,andifnot,changePCB.(RefertoPCBConnectorCheck.)No Key Operation• OptionandFunctionbuttonsresponddifferentlyaccordingtoeachcycle.• ChildLockisbeingactivated.Toexit,holddownSoilLevelKeyandSignalKeysimultaneouslyuntilitsends
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)• CheckthepumpatCN1(PIN3)onPCB.ItshouldreadAC110~120V.(RefertoPCBConnectorCheck)Wrong Water Temperature• Checkifbothofthewatertapsarefullyopen.• Makesurethedomesticwaterheaterissettodeliverwaterlowerthan120°F(49°C)hotwateratthetap.
Alsocheckwaterheatercapacityandrecoveryrate.• Ifthewaterheaterislocatedfarfromthewasher,screwoutthehotwatertapandletitswaterpassuntilyou
gethotwater.• TooHot/TooCold:ReducedamountofwaterissuppliedwhilePCBcontrolstheinfluxtoregulatetheactual
temperatureofthewaterinthetub.Thismayappeartobesignificantlyhotter/colderthanexpected.• Checkifthetemperatureselectioniscorrect.• DisconnectinlethosesfromtheWaterValveandremoveanyresidueintheinletscreens.Noisy and/or Vibration/Walking• Checkifthewasherisleveledandthelocknutsaretighteneduponthebottomplate.• Checkifalloftheshippingboltsandspacersareremovedfromthebackpanel.• Checkifloadisbigenoughandthereisnounbalance.Ifthereisnotenoughload,putinafewtowelstobalanceit.• Checkifthemotorisfastenedenough.• Removevarioustroublecontributors(suchasdustcoatonthefloor).Rubber Feet Leaving Marks on Floor• Useapencilerasertoremovemark.• Walkwasherintolocation,donotdrag.Additive Cups Full of Water• Smallamountofwaterinbottomofadditivecupsisnormal.• RemoveandwashDispenserTray,removableCup,andRinseCap.• Levelwasher.Buttons do not Respond• OptionandFunctionbuttonsresponddifferentlyaccordingtoeachcycle.• ChildLockfeaturehasbeenselected.TodisablefeaturepressandholdTempandSpinsimultaneouslyuntila
beepisheard.• Whendisplayshows“End”,onlythePowerbuttonwillfunction.PressPowerandmakenewcycleselections.
TROUBLE SHOOTING
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 16 2011-06-24 �� 6:20:25
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Hall Sensor CheckCheckVoltageatPin#4and#3ofCN3TesterCheck=DC0Vor1.3VCheckVoltageatPin#4and#2ofCN3TesterCheck=DC0Vor1.3VMotor CheckResistanceatPin#1of#2ofCN8=12ΩResistanceatPin#2of#3ofCN8=12ΩResistanceatPin#3of#1ofCN8=12ΩDoor Lock CheckCheckVoltageatPin#1ofCN6andPin#5ofCN1WhenDoorLock=AC120VDrain Motor CheckCheckVoltageatPin#1ofCN6andPin#3ofCN1WhenDrainPumpoperates=AC120V
Water Valve CheckCheckVoltageatPin#1ofCN6andPin#1,2,7,8,9ofCN1WhenEachValveoperates=AC120VAC Power CheckCheckVoltageatPin#1and#2ofCN6CheckVoltageatPin#1CN2andPin#2ofRY1WASH Heater Relay CheckCheckVoltageatPin#1ofCN6andPin#2ofRY13WhenHeaterRelayoperates=AC120V
PROBLEM CHECKING AND METHOD OF PCB- IfyoupluginthepowercordandturnPowerS/Won,memorizeddataisdisplayed.
Ifanydataisnotdisplayed,checkthefollowings.
Thermistor CheckCheckVoltageatPin#4and#5ofCN6TesterCheck=DC1.6VIfitready5V,checkifitsconnectorisengagedproperly.
Water Sensor CheckCheckVoltageandFrequencyatPin#6and#5ofCN6Resetwaterlevel=DC1.6V,26.0KHzCheckVoltageandFrequencyatPin#7and#5ofCN6Resetwaterlevel=DC1.6V,26.0KHz
TROUBLE SHOOTING
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 17 2011-06-24 �� 6:20:25
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Model: WF501AN*
WIRING DIAGRAM
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
(Technical information)WF501ANWX-03011B_EN.indd 18 2011-06-24 �� 6:20:25
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WATER FLOW DIAGRAM
Toavoidriskofelectricalshock,personal injuryordeath;disconnectpowertowasherbeforeservicing,unlesstestingrequirespower.
WARNING
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(Technical information)WF501ANWX-03011B_EN.indd 20 2011-06-24 �� 6:20:26