Samsung WF42H5600A Datasheet

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WASHING MACHINE
Technical Information
Code No. : DC68-003387A_EN
• Duetopossibilityofpersonalinjuryorpropertydamage,alwayscontactanauthorized
technicianforservicingorrepairofthisunit.
• RefertoServiceManualfordetaiLCD/LEDinstallation,operating,testing,troubleshooting,and
disassemblyinstructions.
Models : WF42H5700A*
WF42H5600A*
WF42H5500A*
WF42H5400A*
WF42H5200A*
WF42H5100A*
WF42H5000A*
AllsafetyinformationmustbefollowedasprovidedinServiceManual.
CAUTION
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
ALIGNMENT AND ADJUSTMENTS
2
GENERAL ERROR FUNCTION
NO
Error Code
(Diagnostic Code
Error Image)
Description Corrective Action
1 UE
Anunbalancedloadthatprevents
yourwasherfromspinning.
Redistributetheload,presstheStart/
Pausebutton.
2 dE
Thedoorisopenwhenthewasheris
running.
Closethedoortightlyandrestart
thecycle.Ifthecodereappears,call
customerservice.
3 dE1
Yourwasherfailedtolockthedoor.
Makesurethedoorisrmlyclosed.
PressthePowerbuttontoturno
yourwasher,thenturnitonagain.
Ifthecodereappears,callcustomer
service.
4 HE
Awatertemperaturecontrolproblem.
(Heatercontrolproblem)
Callcustomerservice.
5 LE
Yourwasherhastriedtoll,buthas
notreachedtheproperwaterlevel.
Callcustomerservice.
6 5E
Yourwasherisnotdraining.Thiscan
alsomeanthattheunitsensesasmall
clogwhiledraining.
1.Turnotheunitfor10secondsand
thenturnitonagain.
2.SelecttheSpinOnlycycle.
3.PresstheStart/Pausetodrainthe
water.
Ifitstilldoesnotdrain,callforservice.
7 4E
Yourwasherhastriedtollbutwas
unsuccessful.
Makesurethewaterfaucetsareopen
alltheway.Checkforbenthoses.
Checktheinletscreensonthehoses.
IfyouareusingaFloodSafetyDevice,
pleaseremovethedeviceandconnect
thewaterhosesdirectlytotheunit.
Checkifthehotwatersupplyhoseis
connected.
Youmustconnectthehotwatersupply
hosebecausehotwaterissuppliedby
theAutoTemperatureControl(A.T.C.)
functionifthetemperatureofthecold
waterislowerthan59°F.
8 4E2
Thehot/coldwaterhoseconnectionisnot
correct.
Pleaseconnectthehot/coldwater
hoseconnectioncorrectly.
9 OE
Afaultisdetectedinthewaterlevel
sensor.
Callcustomerservice.
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
ALIGNMENT AND ADJUSTMENTS
3
NO
Error Code
(Diagnostic Code
Error Image)
Description Corrective Action
10 1E
TheWaterLevelsensorisnotworking
properly.
Callcustomerservice.
11 bE2
Ajammedkey. Callcustomerservice.
12
tE1
Atemperaturesensorproblem.
PressthePowerbuttontoturno
yourwasher,thenturnitonagain.
Ifthecodereappears,callcustomer
service.
13
3E
Amotorproblem.
Restartthecycle.Ifthecode
reappears,callcustomerservice.
14
9E1/9E2
High/Lowvoltagedetected.
Restartthecycle.Ifthecode
reappears,callcustomerservice.
15
AE
ACommunicationerrorbetweenthe
SUB(Sensor)PBAandtheMAINPBA
Callcustomerservice.
16
AE4
ACommunicationerrorbetweenthe
WIFIPBAandtheMAINPBA
Callcustomerservice.
17
AE3
ACommunicationerrorbetweenthe
DRModuleandtheMAINPBA
Callcustomerservice.
18
AE5
ACommunicationerrorbetweenthe
LCDPBAandtheMAINPBA
Callcustomerservice.
19
AE6
ACommunicationerrorbetweenthe
InverterPBAandtheMainPBA
Callcustomerservice.
20
8E
AMEMSsensorproblem.
Callcustomerservice.
21
SF1
SF2
SF3
Asystemerror
Callcustomerservice.
22
SUdS
Toomanysudsaredetectedduringthewashsession.Theunitisputonhold
untilthe amountof sudshave beenreduced.Theunitwillthengobackto
operating.
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
ALIGNMENT AND ADJUSTMENTS
4
TEST MODE
Model: WF42H6300A*
Test Mode:
EachTestModefortheWF5000HAisasfollowsinthecomingpages.
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
Special Test Mode
Power O State
Quick Test Mode
Service 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
Demo Mode Wash
EEPROM Clear
Mode
Power On State
(Normal User Mode)
Special Test Mode
Power O State
Quick Test Mode
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
EEPROM Clear
Mode
Power On State
(Normal User Mode)
ALIGNMENT AND ADJUSTMENTS
5
Quick Test Mode
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
WF42H5600A*
WF42H5700A*
WF42H5500A*
WF42H5400A*
ALIGNMENT AND ADJUSTMENTS
6
Quick Test Mode
Denition of Quick Test Mode:
- CheckoperationofallLED’s(VerifyfaultyLED).
- Checkmodelandsoftwareversion.
- Checkdierentoperatingmodes(e.g.watervalve,motor,door,drainpump,etc.).
How to Enter:
- Plugintheunit.
- PressSoilKey,SpinKeyandPowerKeyatthesameTime.
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
WF42H5000A*
WF42H5100A*
WF42H5200A*
ALIGNMENT AND ADJUSTMENTS
7
1. AllLED’slightupanditsendsoutBeepSoundwhenitentersintotheQuickTestMode.
(Including7-Segment)
2 DisplayssoftwareversionforasecandClearEEprom.(Ex.IftheProjectcodeis7tandVersion
code0A,7-Segmentwilldisplay7t0A)
3. Whentheversionisdisplayed,turntheJog-Dial.Pressthefollowingkeystotestthevarious
components.
- TempKey:WaterValveTest
- SpinKey:DoorLock/UnlockTest
- WF42H5700/5600/5400A*:SuperSpeedKey/WF42H5500/5200/5100/5000A*:SoundKey:
WaterHeaterTest
- SoilLevelKey:DrainPump/BubblePump/DirectValveTest
Quick Test Mode:
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
Quick Test Mode
S/W Version display
All LEDs On for 30 sec
(include 7-Segment)
All Devices Test using keys
Temp Key
WF42H5700/5600/5400A*: Super Speed Key
WF42H5500/5200/5100/5000A*: Sound Key
Spin Key Soil Level Key
ALIGNMENT AND ADJUSTMENTS
8
Service Mode
Denition of Service Mode:
- ServiceModeenablesservicetechnicianstoverifytheoperationofthewashingmachineand
dotroubleshooting.
- ServiceModecanbeenteredduringallwashingcyclewithoutinterruptingthecycleexcept
someoftestmodes.
- VarioustestscanbedonewithServiceMode.So,troubleshootingcanbedonebasedonthe
resultingdiagnosticcodes.
- If¨AE3¨or¨AE4¨erroroccured,presstheStartbuttonthenerrorwillbecleared.
How to Enter:
- ToentertheServiceMode,presstheDelayEndandSoilLevelKeysfor3secondsoruntiltheunit
sendsoutbeepingsounds.
Service Mode:
1. ThewashermustbeontogointotheServiceMode.
2. Themotorspeedwillbedisplayedwhenstarted(Itdisplays0whenthemotordoesnotspin).
3. Thepresentstateofthemachinewillnotbechanged.
(i.e.,thecurrentcycleinprogresswillnotbeinterruptedandonlythedisplaywillchange)
4. FollowingInstructionsToexitServiceMode.
- PressDelayEndandSoilLevelKeysfor3secondagain,orPowerKey.Ifnokeyisoperatedduring
ServiceModefor5minutes,themachinewillreturntonormalusermode.
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
Delay End + Soil Level
3 sec
Service Mode is canceled if no key is pressed for 5 minutes
before the washer operation begins. However, this is not true
when the washer operation has already started.
Power On State
(Normal User Mode)
Service Mode
ALIGNMENT AND ADJUSTMENTS
9
Quick Spin Test Mode
Denition of Quick Spin Test Mode:
- QuickSpinTestModeistodoSpinCheck.(HighRPM)
How to Enter:
- DuringServiceMode,presstheDelayEndandTempKeysfor3secondstoenterQuickSpinTestMode.
- Cannotenteroncethewashingcyclehasstarted.
Quick Spin Test Mode:
AsitentersintotheQuickSpinTestMode,itstartsspinningandreachestoitsmaximumRPM.
OncetheSpinspeedreachesthemaximumRPM,thespeeddropsimmediately.
ToholdQuickSpinTestMode(enteringHoldSpeedMode),presstheStart/Pausebutton.Ifthe
Start/PausebuttonispressedduringQuickSpinTestMode,itwillstopacceleratingandholdits
spinningspeedfor10minutesbeforegoingbacktoQuickSpinTestMode.
Also,tocanceltheholdandallowQuickSpinTestModetocontinue,presstheDelayEndandTemp
Keysfor3secondsIfyoutheDelayEndandTempKeysfor3secondswhenthewashingmachineis
notinHoldSpeedMode,QuickSpinModeisexitedandServiceModeisrestored.
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
Delay End + Temp
for 3sec or after 10 minutes
3 sec
While a cycle is not running
While it is not in Hold Speed Mode
Service Mode
Start/PauseQuick Spin Test Mode
Hold Speed Mode
Delay End + Temp Delay End + Temp
ALIGNMENT AND ADJUSTMENTS
10
Cycle Count Check Mode
Denition of Cycle Count Check Mode:
- CycleCountCheckModeistotallyupthenumberofwashings.
How to Enter:
Model : WF42H5700A* / WF42H5400A*
- ToentertheCycleCountCheckMode,presstheHoldTempKeyfor3secduringServiceMode.
Model : WF42H5500A* / WF42H5200A* / WF42H5100A* / WF42H5000A*
- ToentertheCycleCountCheckMode,presstheSoundKeyduringServiceMode.
Cycle Count Check Mode:
1. ActivatetheServiceModeinadvance.
2.WhentheSoundkeyispressed,7-segmentswilldisplaythetotalnumberofwashings.
3.Themaximumnumberofcycleswillbe9999.
Thecounterwillrolloverto0andstartcountingagainafter9999.
4.Thecountingwillbecarriedoutattheendofthenormalcycle.
(FornormalandContinuousRuncycles,thecountiscarriedoutattheendofthecycles.
5. ToexittheCycleCountCheckMode,presstheSoundkeyagain.
S/W Version Check Mode
Denition of S/W Version Check Mode:
- S/WVersionCheckModeistobringupS/WVersioninformation.
How to Enter:
- ToentertheS/WVersionCheckMode,presstheSoilLevelKeyduringServiceMode.
S/W Version Check Mode:
1. ActivatetheServiceModeinadvance.
2. PresstheSoilLevelKeytobringupitssoftwareVersion
EX)GeneratedE49atVersion49(dEisMicomcode,49isit’ssoftwareversion)
3. ToexittheS/WVersionCheckMode,presstheSoilLevelS/Wonceagain.
Then,itreturnstotheServiceModewithmotorRPMilluminating.
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
WF42H5700/5600/5400A*: Hold Temp Key for 3sec
WF42H5500/5200/5100/5000A*: Sound Key
Service Mode Cycle Count
Soil Level
Service Mode
S/W Version Check
Mode
ALIGNMENT AND ADJUSTMENTS
11
Fast Time Down Test Mode
Denition of Fast Time Down Test Mode:
- FastTimeDownTestModeistoforwardtheprogramtothenextcyclestage.
How to Enter:
- ToentertheFastTimeDownTestMode,presstheTempkeyduringServiceMode.
Fast Time Down Test Mode:
1. ActivatetheServiceModeinadvance.
2. Toforwardtheprogramtothenextcyclestage,presstheTempkey.
Each stage is located at key points of a complete cycle as follows:
- EndofEachFill(BeginningofWashorRinseTumbleSession)
Caution:CheckifthecurrentwaterlevelishigherthantheResetwaterlevelandthenperform
theFasttimedowntest.
- BeginningofDrainSession
- BeginningofSpinSession(Here,itchecksthewaterlevel.So,ifitisovertheresetlevel,itcarries
outdrainingbeforethespinning.)
- BeginningofFillSession
- BeginningofBleachFill
- BeginningofFabricSoftenerFill
- Every3minutesduringWashandRinseTumbleSession
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
Temp.
Service Mode
Fast Time Down
Test Mode
ALIGNMENT AND ADJUSTMENTS
12
Board Input Test Mode
Denition of Board Input Test Mode:
- BoardInputTestModeistodisplaysaspeciedInputafterakeypress.
How to Enter:
- ToentertheBoardInputTestMode,presstheDelayEndkeyDuringServiceMode.
Board Input Test Mode:
- IftheproductentersBoardInputTestMode,‘inisdisplayed.
- TheinformationthatisdisplayedintheBoardInputTestisasfollows.
1. TheWaterTemperatureinCelsius.
2. TheWaterTemperatureinFahrenheit.
3.Thedoorstatus(OPifopen,CLifclosed).
4.TheDoorLockSwitchstatus(ULifunlocked,LOiflocked).
5.TheWaterLevelPulse
- YoucanchangeeachinformationusingtheCycleSelectorbutton.
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
Extra Rinse
Service Mode Board Input Test
ALIGNMENT AND ADJUSTMENTS
13
Diagnostic Code Check Mode
Denition of Diagnostic Code Check Mode:
- DiagnosticCodeCheckModeistobringupthestoreddiagnosticcodes(referecodesforservice
technicians).
How to Enter:
- ToentertheDiagnosticCodeCheckModewithcoded”ashing,presstheSpinkeyduring
ServiceMode.
Board Input Test Mode:
1.ActivatetheServiceModerst.
2. Pressthe“SpinkeykeytostartErrorCodeCheckModewithCodedashing.
3. Tocyclethroughtheerrorcodes,turntheRotaryCycleSelectorinonedirection(either
ClockwiseorCounterclockwise).
4. Now,whenturningtheRotarySelectorKeyinthesamedirection,itshowserrorcodesfromthe
latest.
5. Whenturningitintheoppositedirection,itshowstheerrorcodesinthereverseorder.
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
Service Mode Spin
Diagnostic Code
ALIGNMENT AND ADJUSTMENTS
14
Demo Mode
- DemomodeisenteredwhentheDelayEnd+Temp+SoilLevelbuttonsarehelddownforve
(5)secondssimultaneouslyinthepoweronstate.
- WhenenteringDemomode,thebuzzerringsthree(3)timesand“----”isdisplayedonthe7
segmentdisplayandallotherLED’sareturnedo.(InitialDemomode)
- DemomodeconsistsofWASH,SPINandLEDmodes.
- IftheTempbuttonispressedduringtheinitialDemomode,WASH”blinksonthe7segment
displayandthewashingmachineentersWASHmode.
- IftheStart/PausebuttonispressedinWASHmode,thedoorislocked(doorLock)andthemotor
rotatesleftandrightat45RPMina7seconand3-secocycle.
- WASHmodecontinuesuptove(5)minutesoncestarted.Aftertheve(5)minuteshave
elapsed,“----”isdisplayedonthe7segmentdisplayandtheinitialDemomodeismaintained.
- IftheStart/PausebuttonispressedduringaWASHmodeoperation,“----”isdisplayedonthe7
segmentdisplayandtheinitialDemomodeismaintained.
- IftheSpinbuttonispressedintheinitialDemomode,“Spin”blinksonthe7segmentdisplay
andthewashingmachineentersSPINmode.
- IftheStart/PausebuttonispressedintheSPINmode,thedoorislocked(doorLock)andaSPIN
isoperatedat1150RPM.WhenthespeedreacheseachRPMs,theNoSpin,Low,Medium,High,
andExtraHighLED’sareturnedon.
- Duringaspinoperation,theNoSpinLEDturnsonwhenthespeedislowerthan400RPM.The
LowLEDturnsonbetween400RPMand700RPM.TheMediumLEDturnsonbetween700RPM
and900RPM.TheHighLEDturnsonbetween900RPMand1100RPM.ExtraHighspinspeed
LEDturnOnmorethan1100RPM.
- SPINmodecontinuesuptofour(4)minutesoncestarted.Afterthefour(4)minuteshave
elapsed,“----”isdisplayedonthe7segmentdisplayandtheinitialDemomodeismaintained.
- IftheStart/PausebuttonispressedduringaSPINmodeoperation,“----”isdisplayedonthe7
segmentdisplayandtheinitialDemomodeismaintained.
- IftheSoilLevelbuttonispressedintheinitialDemomode,“LED”blinksonthe7segment
displayandthewashingmachineentersLEDmode.
- IftheStart/PausebuttonispressedinLEDmode,allLED’sareturnedon.LEDmodecontinues
uptothirty(30)secondsoncestarted.Afterthethirty(30)secondshaveelapsed,“----”is
displayedonthe7segmentdisplayandtheinitialDemomodeisentered.
- IftheStart/PausebuttonispressedduringanLEDmodeoperation,“----”isdisplayedonthe7
segmentdisplayandtheinitialDemomodeisentered.
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
Delay End + Temp + Soil Level
5 sec
While a cycle is not running
Power O Key
Normal User Mode
Power O Mode
Demo Mode
ALIGNMENT AND ADJUSTMENTS
15
Smart Install Mode
Denition of Smart Install Mode:
- SmartInstallModeisthemodethatconrmwhether
normalsetmodeendsaftersettinghasbeendone.
How to Enter:
- Understandbycondition,Settheappointmenttime
to17:00.IfyoupushStart/Pausebuttonfor7seconds,
youwillenterSmartInstallMode.
Samrt Install Mode
- WhenenteringSmartInstallMode,itwilldisplay“SC.
- SmartInstallModehastwoModes
ManualMode:WhenyoupushDelayEndbutton,
submodewillbeadded.
AutomaticMode:Undertheconditionof“SC”or“OK”
beingdisplayed,ifyoupushStart/Pausebutton,itwillchangetoautomatic
modetilltheendofinspection.
- ThedisplayandTestofvarioussubmodesareasfollows:
SC:standbycodition
1:DoorLockTest
2:DrainPumpTest1
3:PreValveTest
Co:ColdValveTest
Ho:HotValveTest
6:WatershotValve&MotorTumble&WaterHeaterTest
7:DrainPumpTest2
8:SpinTest
9:DryHeater&DryFanTest
10:DoorUnlockTest
Ot(OK):Normalend
- Ifyoupush“DelayEnd+Startsimultaneouslywhendisplaying”SC”,EEPROMwillbereadand
OKornGwilldisplay.
- Ot(OK):SmartInstallendsnormally.
nG:SmartInstallendsabnormallyordoesn’texecute.
Standby Condition
Set the appointment time to 17:00
Push Start/Pause button for
7 seconds
Smart Install Mode
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
16
EEPROM Clear Check
Denition of EEPROM Clear Mode:
- EEPROMinitialization.
- Allcourse/optionsettingsaretoberesettodefault
valuesafterEEPROMinitialization.
- WhenServicearisesanditneedsPCBreplacement,
EEPROMshouldbereset.
How to Enter:
- Plugintheunit.
- PressDelayStartKey,andPowerKeyatthesame
time.
TROUBLE DIAGNOSIS
- Asthemicomwashmachineisconguredofthecomplicatestructure,theremightbethe
servicecall.
Belowinformationispreparedforexacttroublediagnosisandsuitablerepairguide.
Caution for the Repair and Replacement
Pleasefollowbelowinstructionforthetroublediagnosisandpartsreplacement.
1) Assomeelectroniccomponentsaredamagedbythechargedstaticelectricityfromtheresin
partofmachineorthehumanbody,preparethehumanbodyearthorremovethepotential
dierenceofthehumanbodyandmachinebycontactingthepowersupplyplugwhenthe
workcontactingtoPCBisexecuted.
2) SinceAC120VisappliedtothetriacT1andT2onP.C.B,theelectricshockmayoccurbytouching
andbecarefulthatthestrongandweakelectricityaremixed.
3) AstheP.C.Bassemblyisdesignedfornotrouble,donotreplacetheP.C.Bassemblybythewrong
diagnosisandfollowtheprocedureofthetroublediagnosiswhenthemicomisnotoperated
normally.
TROUBLE SHOOTING
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
17
TROUBLE DIAGNOSIS
Will Not Start
• Plugtheunitintothewalloutlet.Checkforpropervoltage.
• Checkfuseorresetcircuitbreaker.
• PushanykeytoturnonthewasherandpresstheStart/Pausekeytorunthewasher.
• ClosedoorandpushtheStart/Pausekeytorunthewasher.
• Checkifwasherisinapause,soakorsudsprocess.Waitbrieyanditmaystart.(Ifthewasherisinsuds
period,Sudswilllightupinsteadofremainingtime.)
• Checkforrestricteddrainsystem.(Ifthereiselectricalproblemindrainsystem,“NODraining”errorwilloccur
after15minutes.)
• CheckWaterSupply.
• Checkthelineorwatervalvescreenlter.
• CheckifPCBconnectorsareassembledLCD/LEDproperly.
• CheckifCN6terminalsonPCBareingoodcondition.(RefertoPCBConnectorCheck.)
• ReplacePCB.
Leaking
• Makesureinlethoseconnectionsarenotleaking.Checkforrubbergasketdamageduetoovertightening.
• Checkstandpipeforleak.Wrapadryragaroundthestandpipeopening.
Ifragbecomeswet,leakisfaultofhomeplumbing.
Besurethestandpipeiscapableofacceptingtheowofwaterfromthewasher.
• Makesureendofdrainhoseiscorrectlyinsertedandsecuredtodrainstandpipe.
• Checkinternalhoseconnections(ll,drainsystems,dispenserhoses&clamps).
• Checkrubberboot.Remove,repositionandreinstall,ifnecessary.
• Checkforpossiblekinkeddispensertooutertubhose.Hotwaterpressurizationmayforcedooropen.
No Tumble
• Startnormalcyclewithanemptymachineandallowalltochecktumble.
• PerformQuickSpinTest.(Beforetest,makesurethatthetumblerisempty.)
• CheckforlooseconnectionsatMachineControlBoard,PressureSwitch,Motor,TachHarnessandMotor
Control.(Refertothecomponenttestingprocedure)
• Checkmotorwindingsresistance.
CN8pins1&3=11.6ohms±7%,
Pins1&2=11.6ohms±7%,
Pins2&3=11.6ohms±7%
• FaultyMainControlBoard.
• Faultymotor.
Will Not Spin
• Makesuretoclosethedoorcompletely.
• Checkforwaterleftinsidethewasher.Ifso,gotoWillNotDrain.
• PerformQuickTestModeorQuickSpinTest.Doesthewasherspin?(Beforethetest,emptytheunitinside.)
Ifitdoesn’ttumbleaftertheabove,changePCB.Whentheproblempersists,changethemotor.
• PerformQuickTestModeorQuickSpinTest.Doesthewasherspin?Ifitdoes,CheckPossibleunbalanced
loadscenarioinnormalmode.
• CheckforlooseconnectionsatPCB,WaterLevelSensor,Motor,HallSensorWireHarness.(CN7,CN5,CN6)
(RefertotheComponentTestingProcedure.)
• Checkmotorwindingsresistance.(CN8Pin1&3=11.6ohms(at±7%20°C/68°F),
Pin1&2=11.6ohms(at±7%20°C),
Pin2&3=11.6ohms(at±7%20°C))
TROUBLE SHOOTING
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
18
TROUBLE DIAGNOSIS
No Water Fill
• PerformQuickTestMode.CheckallofWaterValvesvisually.
(PreWashValve,ColdWaterValve,BleachWaterValve,SoftenerdispensesusingCold&BleachWaterValve,
andHotWaterValve.)
• Checkifwatertapsareturnedonfully.
• CheckWaterValvesandWaterLevelSensor(RefertoPCBConnectorCheck)
• Checkifthereisanykinkininlethoses.
• Checkifinletscreensarecloggedup.
• Checkifwaterhasenoughpressure.Ifso,ndoutitscontributors.
• Checkifthereisanyfrozenareaintheunit(DrainHose,etc)
• MeasuretheresistanceofWaterValveCoil.
(Itshouldread1.18Kohms.CheckPin#1ofCN6andPIN#1,2,7,8,9ofCN1)
• CheckPressureS/WandPCBforlooseconnections.(RefertoPCBConnectorCheck.)
Tub Full of Suds
• GotoWillNotDrainandWillNotSpin”andcheckthedraining.
• CheckPCBandDrainPumpforanyloosewireconnection.
• PerformQuickTestModeorBoardOutputTesttodrain.
• UseHE(High-Eciency)orlowsudsingdetergentspeciallyformulatedforfrontloadwashers.
• Reducetheamountofdetergentforthatspecicloadsizeandsoillevel.Keepinmindthattowelcreates
moresudsgenerally.
• Reducetheamountofdetergentwhenwaterissoft,orlaundryissmallorlightlysoiLCD/LED.
• Doonemorewashingcyclewithcoldwaterandatablespoonofsaltwithoutdetergent.
Wet Clothes
• Unbalanceduetonotenoughload.Putadditionalload.
Duetoexcessivesudsbyusinggeneraldetergent.UseHE(High-Eciency)orreduceitsquantity.
• LowSpinSpeedorDrainOnlywasselected.
• Goto“WillNotSpin.
Will Not Lock
• Doorisnotalignedorclosedproperly.
• PerformQuickTestMode.CheckDoorLock.
ChecktheoutputvoltageofDoorLockCoil.
Ifitreads120V,changeDoorLockSwitch,andifnot,changePCB.(RefertoPCBConnectorCheck.)
• ReadLockSwitchandPCB(CN6&CN1).(RefertoPCBConnectorCheck.)
• TryDoorLockandcheckfor120VtoDoorLockConnector.If120Vpresent,changeMainControlBoardand
ifnot,changeDoorLockswitch.
Will Not Unlock
• Checkifthedoorisbeingpushedout,whichmaykeepitfromunlocking.
•
Doorlocksitselfwhenthewaterlevelistoohigh.Openingdoorwillresultinwaterdrainingfromdooropening.
• CheckthefollowingwithBoardInputTestMode.
WaterLevel(frequency):Over23.80KHz.
Ifso,referto“WillNotDrain”.
Temperature(InsideDrum):Higherthan60ºC/140ºF.
Ifso,waituntilitdrops.
Wheneverythingisnormal,checkPCBconnectorsandDoorLockSwitch.
• Drainmanuallyafterremovingtheplasticdrainhoseholder.
• DisplayshowsThedoorwillnotunlock.Turnoandontheunit.IfThedoorwillnotunlock”keeps
illuminating,checkPCBandDoorLockSwitch.
TROUBLE SHOOTING
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
19
TROUBLE DIAGNOSIS
• ReadLockSwitchandPCB(RY7&CN10).(RefertoPCBConnectorCheck.)
• PerformQuickTestMode.CheckDoorLock.ChecktheoutputvoltageofDoorLockCoil.
Ifitreads120V,changeDoorLockSwitch,andifnot,changePCB.(RefertoPCBConnectorCheck.)
No Key Operation
• OptionandFunctionbuttonsresponddierentlyaccordingtoeachcycle.
• ChildLockisbeingactivated.Toexit,holddownSoilLevelKeyandSignalKeysimultaneouslyuntilitsends
outabeepingsound.
• When“End“illuminatesonthedisplay,onlyPowerbuttonworks.PressPowerbuttonandmakenewcycle
selections.
Will Not Drain
• Checkforanykinkonthedrainhose.Ifany,straightitout.
• Checkforanyrestrictioninthedrainhose.
• ClosethedoorandpresstheStart/PauseButton.Forsafetyreasons,thewasherdoesnottumbleorspinwith
thedooropen.
• Whenitisfreezingoutside,checkifitisfrozeninsidethedrainhose.
• Checkifthewaterlevelsignalinputiscorrect.GotoBoardInputTestMode.
• GotoQuickTestModeanddoDrainPumpTest.
• Checkifthereisanytwistinthehose(theonebetweenTubandDrainPump).
• CheckifitreadsAC120Vatthepumpwhenaspincycleisselected.
• Readthewindingresistanceofthepumpmotor.(14.2±7%Ohms)
• CheckthepumpatCN1(PIN3)onPCB.ItshouldreadAC110~120V.(RefertoPCBConnectorCheck)
Wrong Water Temperature
• Checkifbothofthewatertapsarefullyopen.
• Makesurethedomesticwaterheaterissettodeliverwaterlowerthan120°F(49°C)hotwateratthetap.
Alsocheckwaterheatercapacityandrecoveryrate.
• Ifthewaterheaterislocatedfarfromthewasher,screwoutthehotwatertapandletitswaterpassuntilyou
gethotwater.
• TooHot/TooCold:ReducedamountofwaterissuppliedwhilePCBcontrolstheinuxtoregulatetheactual
temperatureofthewaterinthetub.Thismayappeartobesignicantlyhotter/colderthanexpected.
• Checkifthetemperatureselectioniscorrect.
• DisconnectinlethosesfromtheWaterValveandremoveanyresidueintheinletscreens.
Noisy and/or Vibration/Walking
• CheckifthewasherisleveLCD/LEDandthelocknutsaretighteneduponthebottomplate.
• Checkifalloftheshippingboltsandspacersareremovedfromthebackpanel.
•
Checkifloadisbigenoughandthereisnounbalance.Ifthereisnotenoughload,putinafewtowelstobalanceit.
• Checkifthemotorisfastenedenough.
• Removevarioustroublecontributors(suchasdustcoatontheoor).
Rubber Feet Leaving Marks on Floor
• Useapencilerasertoremovemark.
• Walkwasherintolocation,donotdrag.
Additive Cups Full of Water
• Smallamountofwaterinbottomofadditivecupsisnormal.
• RemoveandwashDispenserTray,removableCup,andRinseCap.
• Levelwasher.
Buttons do not Respond
• OptionandFunctionbuttonsresponddierentlyaccordingtoeachcycle.
• ChildLockfeaturehasbeenselected.TodisablefeaturepressandholdTempandSpinsimultaneouslyuntila
beepisheard.
• Whendisplayshows“End”,onlythePowerbuttonwillfunction.PressPowerandmakenewcycleselections.
TROUBLE SHOOTING
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
20
Door Lock Check
CheckVoltageatPin#2ofCN10andPin#3ofRY7
WhenDrainMotoroperates=AC120V
Drain Motor Check
CheckVoltageatPin#5ofCN10andPin#3ofRY7
WhenDrainMotoroperates=AC120V
CIRCLE Motor Check
CheckVoltageatPin#4ofCN10andPin#3ofRY7
WhenCirculationMotoroperates=AC120V
Water Valve Check
CheckVoltageatPin#10ofCN10andPin#3ofRY7
WhenCirculationMotoroperates=AC120V
AC Power Check
CheckVoltageatPin#1ofCN11andPin#4ofPower
RY7
TesterCheck=AC120V
Wash Heater Relay Check
CheckVoltageatPin#3ofRY2andPin#3ofRY7
WhenHeaterRelayoperates=AC120V
Hall Sensor Check
CheckVoltageatPin#4and#2ofCN2
TesterCheck=DC0Vor1.3V
CheckVoltageatPin#4and#3ofCN2
TesterCheck=DC0Vor1.3V
Motor Check
ResistanceatPin#1and#2ofCN6=12Ω
ResistanceatPin#1and#3ofCN6=12Ω
ResistanceatPin#2and#3ofCN6=12Ω
PROBLEM CHECKING AND METHOD OF PCB
- IfyoupluginthepowercordandturnPowerS/Won,memorizeddataisdisplayed.
Ifanydataisnotdisplayed,checkthefollowings.
TROUBLE SHOOTING
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
CN3 CN6
CN9
CN11
CN10
CN7
CN201
CN402
CN601
CN1
CN2
CN6
CN5
CN4
/