Samsung WF42H5200AP User manual

WASHING MACHINE (DRUM) CONTENTS
SERVICE Manual
WASHING MACHINE
DRUM TYPE
Basic Model : WF405ATPAWA/A2
Model Name : WF42H5200AP
WF42H5200AF
WF42H5200AW
(WF5000HA-PJT)
Model Code : WF42H5200AP/A2
WF42H5200AF/A2
WF42H5200AW/A2
(WF5000HA-PJT)
1. Safety Instructions
2.FeaturesandSpecications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Reference

CONTENTS
1. Safety instructions ...................................................................1
1-1. Safety instructions for service engineers ...............................................1
2. FeaturesandSpecications ...........................................................5
2-1. Features ........................................................................5
2-2. Specications ....................................................................7
2-3. Comparingspecicationswithexistingmodels ..........................................8
2-4. Optionsspecications .............................................................9
3. Disassembly and Reassembly ........................................................10
3-1. Toolsfordisassemblyandreassembly ...............................................10
3-2. Standarddisassemblydrawings ....................................................11
4. Troubleshooting ....................................................................19
4-1. Errormodes ....................................................................19
4-2. Correctiveactionsforeacherrorcode ................................................23
5. PCB diagram.......................................................................28
5-1. Main PCB ......................................................................28
5-2. ConnectorandRelayPortPartDetailedManual(MainPCB) ..............................29
5-3. Inverter PCB....................................................................30
5-4. ConnectorPortPartDetailedManual(InverterPCB) ....................................31
5-5. SubPCB ......................................................................32
5-6. ConnectorPortPartDetailedManual(SubPCB) .......................................33
6. Wiring diagram .....................................................................34
6-1. Wiringdiagram ..................................................................34
7. Reference .........................................................................35
7-1. Project Name ...................................................................35

Safety Instructions _ 1
1. SAFETY INSTRUCTIONS
1-1. SAFETY INSTRUCTIONS FOR SERVICE ENGINEERS
► Besuretoobservethefollowinginstructionstooperatetheproductcorrectlyandsafelytopreventpossibleaccidents
andhazardswhileservicing.
► Twotypesofsafetysymbols,WarningandCaution,areusedinthesafetyinstructions.
WARNING
Hazards or unsafe practices that may result in severe personal injury or death.
CAUTION
Hazards or unsafe practices that may result in minor personal injury or property damage.
BEFORE SERVICING
• (Whenservicingelectricalpartsorharnesses)Makesuretodisconnectthepowerplugbeforeservicing.
√ Failingtodosomayresultinariskofelectricshock.
• Donotallowconsumerstoconnectseveralappliancestoasinglepoweroutletatthe
same time.
√ Thereisariskofreduetooverheating.
• Whenremovingthepowercord,makesuretoholdthepowerplugwhenpullingtheplug
fromtheoutlet.
√ Failingtodosomaydamagetheplugandresultinreorelectricshock.
• Whenthewashingmachineisnotbeingused,makesuretodisconnectthepowerplug
fromthepoweroutlet.
√ Failingtodosomayresultinelectricshockorreduetolightning.
• Donotplaceorusegasoline,thinners,alcohol,orotherammableorexplosivesubstancesnearthewashing
machine.
√ Thereisariskofexplosionandrecausedfromelectricsparks.
WARNING

2 _ Safety Instructions
WHILE SERVICING
• Checkifthepowerplugandoutletaredamaged,attened,cutorotherwisedegraded.
√ Iffaulty,replaceitimmediately.
Failingtodosomayresultinelectricshockorre.
• Completelyremoveanydustorforeignmaterialfromthehousing,wiringandconnectionparts.
√ Thiswillpreventariskofreduetotrackingandelectricalhazard..
• Whenconnectingwires,makesuretoconnectthemusingtherelevantconnectorsandcheckthattheyare
completelyproperly.
√ Iftapeisusedinsteadoftheconnectors,itmaycausereduetotracking.
• MakesuretodischargethePBApowerterminalsbeforestartingtheservice.
√ Failingtodosomayresultinahighvoltageelectricshock.
• Whenreplacingtheheater,makesuretofastenthenutafterensuringthatitisinsertedintothebracket-heater.
√ Ifnotinsertedintothebracket-heater,ittouchesthedrumandcausesnoiseandelectricleakage.
AFTER SERVICING
• Checkthewiring.
√ Ensurethatnowiretouchesarotatingpartorasharpenedpartoftheelectricalharness.
• Checkforanywaterleakage.
√ Performatestrunforthewashingmachineusingthestandardcourseandcheckwhetherthereisanywater
leakagethroughtheoorsectionorthepipes.
• Donotallowconsumerstorepairorserviceanypartofthewashingmachine
themselves.
√ Thismayresultinpersonalinjuryandshortentheproductlifetime.
• Ifitseemsthatgroundingisneededduetowaterormoisture,makesuretorun
groundingwires.
(Checkthegroundingofthepoweroutlet,andadditionallygroundittoametallicwater
pipe.)
√ Failingtodosomayresultinelectricshockduetoelectricleakage.
 [Runningagroundingwire]
- Twistagroundingwire(copperwire)twoorthreetimesaroundthetap.
- Ifyouconnectthegroundingwiretoacopperplate,buryit75cmundertheearthina
placewithalotofmoisture.
 Donotconnectthegroundingwiretoagaspipe,plasticwaterpipeortelephone
wire.Thereisariskofelectricshockorexplosion.
75 cm
Copperplate
WARNING
WARNING
Grounding
terminal

Safety Instructions _ 3
BEFORE SERVICING
• Donotsprinklewaterontothewashingmachinedirectlywhencleaningit.
√ Thismayresultinelectricshockorre,andmayshortentheproductlifetime.
• Donotplaceanycontainerswithwateronthewashingmachine.
√ Ifthewaterisspilled,itmayresultinelectricshockorre.Thiswillalsoshortenthe
productlifetime.
• Donotinstallthewashingmachineinalocationexposedtosnoworrain.
√ Thismayresultinelectricshockorre,andshortentheproductlifetime.
• Donotpressacontrolbuttonusingasharptoolorobject.
√ Thismayresultinelectricshockordamagetotheproduct.
WHILE SERVICING
• Whenwiringaharness,makesuretosealitcompletelysonoliquidcanenter.
√ Makesurethattheydonotbreakwhenforceisexerted.
• Checkifthereisanyresiduethatshowsthatliquidenteredtheelectricpartsorharnesses.
√ Ifanyliquidhasenteredintoapart,replaceitorcompletelyremoveanyremainingmoisturefromit.
• Ifyouneedtoplacethewashingmachineonitsbackforservicingpurposes,placeasupport(s)ontheoorandlayit
downcarefullysoitssideisontheoor.
√ Donotlayitdownonitsfront.Thismayresultintheinsidetubdamagingparts.
CAUTION
CAUTION

4 _ Safety Instructions
AFTER SERVICING
• Checktheassembledstatusoftheparts.
√ Nowisagoodtimetoinspectyourwork.Reviewallconnectionsandwiring,includingmountinghardware.
• Checktheinsulationresistance.
√ Disconnectthepowercordfromthepoweroutletandmeasuretheinsulationresistancebetweenthepowerplug
andthegroundingwireofthewashingmachine.Thevaluemustbegreaterthan10MΩwhenmeasuredwitha
500VDCMegger
• Checkwhetherthewashingmachineisleveltheoorwithrespecttotheoriginalposition
ofthewashingmachinepriortoservice.
Bydoingthisnowwillreducefortheneedofcustomerdissatisfactionandredocall.
√ Vibrationscanshortenthelifetimeoftheproduct.
CAUTION

FeaturesandSpecications_5
2. FEATURES AND SPECIFICATIONS
2-1. FEATURES
Features Description
BUBBLE
• BUBBLETechnology’sEnginegeneratesfoamby
dissolvingdetergentwithairandwaterbeforethe
normalcyclestarts.Foamallowsdetergenttodistribute
evenlyandpenetratefabrics2.5timesfasterthanhigh
efciencydetergentanddeeper.Perfectlydissolved
detergentbybubblegeneratorpenetratesveryquickly
andwidely.
- BUBBLETechnology’sEnginegeneratesfoam
bydissolvingdetergentwithairandwaterbefore
thenormalcyclestarts.Foamallowsdetergentto
distributeevenlyandpenetratefabrics2.5times
fasterthanhighefciencydetergentanddeeper.
- Samsung’seffectiveBUBBLEdeliversperfect
cleanlinessevenwithdelicatefabricswithoutany
damages.
SpeedSpray™
• Samsung’snewSpeedSpraytechnologysavesyoutimebyshorteningwashtimes
whilestillkeepingallportionsofthewashingprocessandgettingyourclothes
clean.
Smart Care • Samsung’sSmartCare,anautomaticerror-monitoringsystem,detectsand
diagnosesproblemsatanearlystageandprovidesaquickandeasysolution.
PureCycle™
(Tub Cleaning cycle)
• Cleanyourdrumwithonebutton!ThisPureCycleisspeciallydesignedtoremove
detergentresidueanddirtbuildupinthetub,diaphragm,andonthedoorglass
withouttheneedforspecialchemicaldetergents.
(Thecycleisrunwithoutclothes.)
Deep steam • TheDeepSteamfeatureboostscleaningperformanceandloosensgrimeanddirt,
thusprovidingsuperiorcleaningresults.
The Large Capacity
• MaximumCapacity,Time&energySaving
• KingSizecomforterwithotherbeddings
Quietest VRT™
• LowestVibration&Noise
• Samsung’sVRT™providessmoothoperationatspin
speedsupto1,200rpm.
• 2ndooraswellasmainoorinstallationavailable
Highefciencyenergy&
Water saving
• WashingwithSamsung’sSilverWash,evenincoldwater,sanitizesthelaundry
therebysaving92%oftheenergynormallyusedwithhotwatersanitization.
Direct drive inverter motor • Thepowertohandleanything!Ourdirect-driveinvertermotordeliverspower
righttothewashertubfromavariablespeed,reversiblemotor.Abeltlessdirect-
drivemotorgeneratesahigherspinspeedof1,200rpmsformoreeffective,quiet
operation.Thewasheralsohasfewermovingparts,meaningfewerrepairs.
Woolmarkcertied • ThemachinewashwoolcycleonSamsungmachineshasbeentestedandhas
passedtherequiredWoolmarkCompanyspecicationformachinewashablewool
products.Fabricsshouldbewashedaccordingtotheinstructionsonthegarment
labelasspeciedbyWoolmarkandSamsung.

6_FeaturesandSpecications
Features Description
Diamond Drum • Thewashingperformancehasimprovedandpotentialdamagetotheclothinghas
beenminimized.(Thesizeoftheholesonthediamonddrumhasbeenreduced
forminimizingdamagetotheclothing/garment.)
- Theembossedwallofthedrumservesasawashboard,dramatically
increasingthewashingperformancecomparedwithexistingdrumwashing
machines,whichusesthepowerofthedifferenceinelevationonly.
- Thesizeofholeshasbeenreduceddrastically,maintainingtheoptimalwash
performance(WashingCost1.0)whilesavingonwaterandelectricityrequired
forwashing.
- Thestructureoftheholesonthediamonddrumwasredesignedtominimize
potentialdamagetotheclothing.
Conventional
Fabric
Diamond Drum
Fabric

FeaturesandSpecications_7
2-2. SPECIFICATIONS
Model WF42H5200A*
Wash type FRONTLOADINGWASHER
Dimension
(Inches / mm)
A: High-Overall 38.7”(984)
B: Width 27.0”(686)
C: Depth with door open 90º 51.2”(1300)
D: Depth 33.0”(838)
Water pressure 20-116psi(137-800kPa)
Weight 88kg(194lb)
Heater Rating 900 W
Power
consumption
Washing 120 V 300 W
Washing and heating 120 V 1200 W
Spin 120 V 700 W
Drain 120 V 80 W
Spin revolution 1200 rpm

8_FeaturesandSpecications
2-3. COMPARING SPECIFICATIONS WITH EXISTING MODELS
Grade WF5000HA YUKON BETTER
Model Name
WF42H5200AP
WF42H5200AF
WF42H5200AW
WF431ABW
WF431ABP
Image
Main Spec
Capacity(cu.ft/IEC) 4.2cu.ft 4.5cu.ft
Motor type DDMotor DDMotor
MaxRPM 1,200 1300
VRT Yes Yes
heater(900w) Yes Yes
DiamondDrum Yes Yes
WashingCycle# 9 13
Delaywash 24hrs 24hrs
TiltedDrum 10° 10°
SoundPressure Ave 58dBA Ave56.3dBA
Target
performanece
MEF 3.2 3.2
WCF 2.9 2.99
kWh/year 93 kWh/year 95kWh/year
Design
controlDisplay LED G.LED
FrameColor Rened-wine W:White
P:Stainlessplatium
Dimension 27.0X 33.0 X 38.7" 27 X 32.3 X 38.7"

FeaturesandSpecications_9
2-4. OPTIONS SPECIFICATIONS
Item Code QTY Remarks
BOLTSPANER DC60-40146A 1Default
ASSYHOSEWATER DC97-15648A 1Default
ASSYHOSEWATER DC97-15648B 1Default
MANUALUSERS DC68-03397A 1Default
CAP-FIXER DC67-00307A 5Default
HOSEHANGER DC62-10278A 1Default
Note
• Customercanpurchaseadditionalwatersupplyanddrainhosesfromaservicecenter.

10 _ Removal and Reassembly
3. DISASSEMBLY AND REASSEMBLY
3-1. TOOLS FOR DISASSEMBLY AND REASSEMBLY
Tool Type Remarks
Socket
Wrenchwith
6”Extension
10mm
13mm
19mm
Heater(1)
Motor(1),Balance(5),2holesofeachleftand
rightoftheshockabsorber1Pulleyhole
OpenEnd
wrench
10mm
13mm
19mm
Replaceablefortheboxdriver.
Sincetheboltrunsidlewhentheboxdriveris
used,usetheboxdriver17mm.
Vicepliers Tooltoprotecttheidleandabrasionofthebolt
fortheboxdriver.
Others
(Driver,Nipper,Long
nose)
Generaltoolsfortheafterservice.
JIGfortheTub 1(DisassembleandAssemble)

Removal and Reassembly _ 11
3-2. STANDARD DISASSEMBLY DRAWINGS
► Thisisastandarddisassemblydiagramandmaydifferfromtheactualproduct.
Usethismaterialasareferencewhendisassemblingandreassemblingtheproduct.
Part Figure Description
ASSY COVER TOP
1. RemovethetwoscrewsholdingtheTopCoverat
thebackoftheunit.
2. Removethetop-coverbyliftingitupafterpullingit
backabout15mm.
Noiselter Watervalve
Sensor pressure
3. Withthetopcoverremovedyouwillnowhave
accesstoservicetheWaterpressuresensor,EMI
NoiseFilter,HotandColdWaterValves,Hose
DrawASSY.

12 _ Removal and Reassembly
Part Figure Description
MAIN-PCB AND
SUB-PCB PANEL
1. Removethe2screwsatthetopoftheASSY-
PANELCONTROL.
2. HoldtheASSY-PANELCONTROLwhilepullingit
upwardsandreleasethehooktoremoveit.
3. Carefullydisconnectthetwowiringconnectorsby
hand.
4. Removethe8screwsholdingthePCBandrelease
thehooksonbothsidestoremovethePCBfor
repair/replacement.

Removal and Reassembly _ 13
Part Figure Description
FRAME FRONT
• SeperatetheWire-DiaphragmwiththeLong-nose
fromtheFront-Frame.
1. RemovetheDiaphragm.
2. Removethe4screwsholdingtheFRAME-FRONT.
3. Removethe2screwsholdingthebottomofthe
FRAME-FRONT.
4. Untiethehose.
5. Removethe3screws.
6. Pushbothhooks.
7. DisconnecttheterminalfortheDOOR-LOCK
switch.

14 _ Removal and Reassembly
Part Figure Description
COVER-BACK • Removethe2screwsholdingtheBack-Coverat
thebackofthewashingmachine
DD MOTOR
1. RemovetheoneboltfortheDDMotor.
2. Removethe6screws.
WATER SUPPLY
VALVE
1. RemovetheTopAssy-Plate.
2. Disconnectthe5watervalveconnectors.
3. Removethe4screwssecuringtheHotandCold
watersupplyvalves.

Removal and Reassembly _ 15
Part Figure Description
WATER LEVEL
SENSOR
(The Hook type)
The Hook type water level sensor
Noiselter Watervalve
Sensor pressure
► Disassembly
1. SeparatetheTopAssy-Plate.
1. Toremovethewaterleversensor,pushitslowly
inthedirectionofthearrowshowninthegureon
theleft.
 Sincethisdisassemblymethodusesthe
elasticityofthewaterlevelsensorhook,
imposingtoostrongaforcemaydamageit.
A
2. Whileaforceisimposedonthewaterleversensor
asdirectedinstep1,pullthehook Ainthe
directionofthearrowuntilitisremovedfromthe
bracketspring.
B
3. Imposeaforceslowlyinthedirectionofthearrow
designatedinthegureontheleftuntilthehook B
isremoved.Thenremovethewaterlevelsensor.
► Assembly
1. Connectthepressurehosetothebodyofthe
waterlevelsensorandlockitusingtheclamp.
 Whenconnectingthewaterlevelsensortothe
set,makesuretoconnectitafterdrainingwater
byoperatingthespincycle.
2. Toreattachthewaterlevelsensor,insertthehook
backintothesquareholeuntilyouheara“click”.

16 _ Removal and Reassembly
Part Figure Description
DOOR HINGE
1.Removethe2screwsholdingtheDoorHingeand
separatethedoor.
2. Removethe15screwsholdingtheHolderGlass,
separatetheHolderGlassandreplacethehinge.
DRAIN PUMP
1. PushtheCover-Filterdownwardstoreleasethe
latch.
2. Draintheremainingwaterthroughthedrainage
hose.
 Besuretouseasmallbowltocollectthewater
collectedfromthedrainhose.
3. SeparatetheDrainFilterbyturningit
counterclockwise.
 Sincetheremainingwatermayowout,place
abowlunderneathitwhenseparatingthelter..

Removal and Reassembly _ 17
Part Figure Description
DRAIN PUMP
(Continued)
4. Removethe2screwsholdingtheDrainPump.
5. Draintheremainingwaterthroughthedrainage
hose.
6. Disconnectthewireconnector.
7. Pushitbackandliftitup.
* CheckPointsforTroubleshooting
1. SeparatetheDrainFilterandcheckforanyaliensubstancesinsidethepump(e.g.coins,
buttons..,etc.)→Removeiffound.
2. CheckthewireconnectorfortheDrainPumpASSYhasn’tcomeloose.Reconnectif
necessary.
3. Whenwaterleaks,checktheassemblystatusoftheClampHose,andCapDrain→Take
therelevantcountermeasureifnecessary.
Turntheltercapcounterclockwise,cleanandremoveanymaterialthathascollected.

18 _ Removal and Reassembly
Part Figure Description
DOOR-LOCK S/W
1. OpentheDoor.
SeperatetheWire-DiaphragmwithLong-noseplier
andremoveitfromtheFrontFrame
 SincetheDiaphragmcanbedamagedwhen
removingit,removeitslowlyinonedirection.
2. Removethe3screws.
3. RemovethescrewholdingtheDoor-LockS/W.
RemovetheDoor-LockS/W.
Removetheconnectionwire.
(Removetheconnectorafterreleasingitby
pressingthelatch.)
Heater
1. Removethe3boltsfromthebalanceweight.
2. SeperatetheConnectionHousing(3).
 Removethenutholdingtheheaterandtheheater.
3.RemovetheheaterfromtheTub.
Caution
 Makesuretoinsert
theHeaterintothe
correctpositionofthe
bracketinsidetheTub
whenreassemblingit.
Otherwise,thereisa
riskofre.