Samsung WF42H5600A Datasheet

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

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Samsung WF42H5600A Datasheet

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