Samsung WF45M5500A series User manual

WASHING MACHINE (DRUM) CONTENTS
SERVICEManual
WASHING MACHINE
DRUM TYPE
Basic Model : WF45K6500AV/A2
(WF6500K PROJECT)
Model Name : WF45N5300AV
WF45N5300AF
WF45N5300AW
Model Code : WF45N5300AV/US
WF45N5300AF/US
WF45N5300AW/US
(WF5300N)
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 ....................................................................6
2-3. Comparingspecicationswithexistingmodels ..........................................7
2-4. Optionsspecications .............................................................8
3. Disassembly and Reassembly .........................................................9
3-1. Toolsfordisassemblyandreassembly ................................................9
3-2. Standarddisassemblydrawings ....................................................10
4. Troubleshooting ....................................................................21
4-1. Errormodes ....................................................................21
4-2. TestModes.....................................................................24
4-3. Correctiveactionsforeacherrorcode ................................................25
5. PCB diagram.......................................................................28
5-1. MAIN PCB .....................................................................28
5-2. CircuitdiagramsofMainpartsforMainPCB ...........................................29
5-3. INVERTER PCB.................................................................30
5-4. CircuitdiagramsofMainpartsforINVERTERPCB......................................31
5-5. SubPCB ......................................................................32
5-6. CircuitdiagramsofMainpartsforSUBPCB ...........................................33
5-7. Reactor........................................................................34
6. Wiring diagram .....................................................................35
6-1. Wiringdiagram(WF45M5500A*,WF45M5100A*).......................................35
7. Reference .........................................................................36
7-1. WF5500M Project name .........................................................36

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
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partsdamaging.
CAUTION
CAUTION

Safety Instructions _ 3
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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

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
Smart Control • Samsung’sinnovativeSmartControltechnologyenablesyoutocontrolyour
washerthroughpersonaltechnologiessuchassmartphones.Youdon’thave
tobeonstandbyuntilthecycleends.SmartControlallowsyoutomonitorthe
washingprocessandletyouknowwhenthecycleiscomplete.
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
throughLCDnavigation.WiththeinnovativeSmartControltechnology,youcan
alsobealertedwhentheproblemoccursviayoursmartphones.
Self Clean+
(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.
Stylish Design • Thestylishdesignofthiswasherblendswellwithyourenvironment.
Premium & Ergonomic
Design • Apremiumdesignprovidesanergonomicandsophisticatedlooktocomplement anymoderninterior.Itsnaturalcurvesincorporateanelegantchromelineanda
BigDoorforeasieraccess.Italsoincorporatesaswirldrumpatternandacontrol
panelwithacleariceblueLEDdisplay.
DD 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1,300rpmformoree󰀨ective,quiet
operation.Thewasheralsohasfewermovingparts,meaningfewerrepairs.
Pedestal with Storage
Drawers
(Model No : WE357*)
• Anoptional15”pedestalisavailabletoraisethewasher
foreasierloadingandunloading.
Italsoo󰀨ersabuilt-instoragedrawerthatcanholda
100oz.bottleofdetergent.
Stacking
(Model No : SK-7A/XAA) • Samsungwashersanddryerscanbestackedto
maximizeusablespace.Anoptionalstackingkitis
availableforpurchasefromyourSamsungretailer.

6_FeaturesandSpecications
2-2. SPECIFICATIONS
Type Front loading washer
WF45M5500A* WF45N5300A*
Dimension
(inches/mm)
A:High-Overall 38.7(984)
B:Width 27686)
C:Depthwithdooropen 54.6(1,386)
D:Depth 34(864)
Waterpressure(psi(kPa)) 20~116(137~800)
NETWeight(lb(kg)) 218(99)
Spinrevolution 1,300rpm
Heater rating 900 W -
Heater rating
Washing 120V 200 W 200 W
WashingandHeating 120V 1150 W -
Spin 120V 550 W 550 W
Drain 120V 80 W 80 W
A
B
D
C

FeaturesandSpecications_7
2-3. COMPARING SPECIFICATIONS WITH EXISTING MODELS
Project WF5500M WF5300N
Model Name WF45M5500AP WF45M5500AZ
WF45M5500AW WF45M5100AW WF45N5300AV
WF45N5300AF
WF45N5300AW
Image
Capacity (cu.ft. DOE) 4.5 cu.ft. 4.5 cu.ft. 4.5 cu.ft.
Main Spec
Motor Type DD Motor DD Motor DD Motor
MAX RPM 1200 1200 1200
VRT Yes Yes Yes
Heater (900W) Yes - -
Diamond Drum Yes Yes Yes
Washing Cycle # 10 8 8
Delay Wash Yes Yes Yes
Tilted Drum 5° 5° 5°
Sound Pressure MAX61.0dBA↓ MAX61.0dBA↓ MAX61.0dBA↓
Target
Perfermance
MEF 3.26 3.45 3.45
WCF 2.9 2.8 2.8
kWh/year 127kWh/year↓ 95kWh/year↓ 95kWh/year↓
Design
Control Display GLED GLED GLED
Frame Color Platinum White White
Dimension
(W*D*H) 27”×33”×38.7” 27”×33”×38.7” 27”×33”×38.7”

8_FeaturesandSpecications
2-4. OPTIONS SPECIFICATIONS
Item Code QTY Remarks
MANUALUSER USER:DC68-03665A
TECH : DC68-03672A 1Default
CAP-FIXER DC67-00307A 6 Default
HOSE-HANGER DC62-10278A 1 Default
Note
• Customercanpurchaseadditionalwatersupplyanddrainhosesfromaservicecenter.
• Thespanner(wrench),watersupplyanddrainhosesarenotsupplied.Boththewatersupplyanddrainhosesare
suppliedduringtheinstallation.

Removal and Reassembly _ 9
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.

10 _ Removal and Reassembly
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
Disassembling and
Repairing the Rear
Motor
1. Removethe2screwsholdingtheBack-Coverat
thebackofthewashingmachineandseparatethe
Back-Coverpushingitdownwards.(Assembleitby
liftingitupwards)
2. AfterseparatingtheBack-Cover,removetheM19
nutholdingtheMotor.Toremoveit,turnitcounter-
clockwise.AstheMotoralsorotatesifthenutis
turnedslowly,torqueitquicklyandrmlyinasingle
action.
 Donotremovethenutbyinsertingascrewdriver
intotheMotor,asthismayresultinaproblemwith
themotor.
3. RemovetheM19nutandwasherandthen
separatetheRotor.Sinceremovingtherotor
requiresalotofstrengthduetothemagneticforce
oftheRotoranditmaycomeo󰀨suddenly,your
handorarmmaybeinjuredbytheedgeofthe
StatororFrame.Thereforetakeprecautionwhen
separating it.
 Youcanseparatetheconnectorbypressing
Motorwire
Hallsensor
4. SeparatetheMotorWireandHallSensorwhile
pressingthenaveloftheHousing.Takeprecaution
whenyoudothisbecausetheHallSensorpartis
easilyshocked.
5. Separatethe6M10screws.→SeparatetheAssy
BracketMotor→SeparatetheStator.
 Whenremovingthelastofthe6screws,holdthe
Statorasitmayfallwhenthescrewsareremoved.
*Check Points for Troubleshooting
1. CheckifthereisanyaliensubstancebetweentheRotorandtheStator.
2. Checkifthemotorpower(Blue,White,Red)wireisconnected.
3. CheckiftheHallSensorwireisconnected.
 TheorderofthemotorwiresisBlue,White,andRedfromtheright.Checkifthe
resistancebetweenBlue-White,White-Red,andRed-Blueisequalto15Ω.

Removal and Reassembly _ 11
Part Figure Description
Disassembling
and Repairing the
Thermistor
1. SeparatetheAssyThermistorandGuideWire-T
whilepullingtheAssyThermistor.
2. SeparatetheAssyThermistorandAssyWire
HarnesswhilepressingthenaveloftheHousing.
3. PulltheAssyThermistorfromTubBack.
WhendisassemblingAssyThermistor,leavethe
rubberpacking.
CAUTION
OK NG
OK NG Gap
1. WhenassemblingAssyThermistor,pushtothe
end.IfassemblinglikeNGpicture,waterleakage
possibilityishigh.
2. WhenassemblinganddisassemblingAssy
Thermistor,rubberPackingshouldbechecked.If
thegapexistedbetweenrubberpackingandtub-
back,waterleakagepossibilityishigh.

12 _ Removal and Reassembly
Part Figure Description
Separating the
Cover_Top and
Panel-Control
(Check Sub-PCB)
1. Removethe2hexagonscrews,whichareatthe
back,xingtheCOVER-TOP.
2. DisassembletheCOVER-TOPbyslidingit
backwards.
3. PresstheSeparatebuttontoseparatetheASSY
DRAWER.
4. PullthePANEL-CONTROLtowardsandthenliftit
upwardstoseparate.
5. Carefullydisconnectthetwowiringconnectorsby
hand.
6. DisassembletheASSYKNOB-ENKODERby
pullingitupwards.
7. Removetheall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
Separating the Main
PCB
1. Removethe2screwsholdingtheASSYPCB-
MAINatthebackofthewashingmachine.
2. Separatethe2Hooksbypushingitrightwards.
3. Removethe2screwand2Connectorsfor
separatingGuideWire-T
4. PushtheTUBupsidetoseparateASSYPCB-
MAIN.andseparatetheASSYPCB-MAINliftingit
up.
5. Separatethe3Hooks.
6. DisconnectAllConnectorsonmainPBA.Liftup
MainPBA,ChangeSVCPart.AfterSVC,Certainly
checktheallHooksonCOVER-PCB(M)Otherwise
COVER-PCB(M)willbedisassembledduring
washingmachinerunning.

14 _ Removal and Reassembly
Part Figure Description
Disassembling and
Reassembling the
Door Part
1. Removethe2screwsholdingtheHINGE-DOOR
andtheFRAME-FRONT.
2. DisassembletheASSYDOORliftingitupslightly.
3. Removethe18screwsxingtheHOLDER-
GLASS.
(includingthe2bluescrewsholdingtheLEVER-
DOOR,includingthe3arrowscrewsholdingthe
HINGE-DOOR.)
4. Puttingandpressinghardaat-headscrewdriver
intothefurrowbetweenCOVER-DOORand
SUPPORT-HINGE.
5. Makingasemicirclewithscrewdriver.
(Disassemblethehooks)
6. DisassembletheHOLDER-GLASSfromCOVER-
DOORTaketheDOOR-GLASS,SUPPORT-
HINGE,HINGE-DOOR.
4 CheckPointsforTroubleshooting
• CheckthestatusofthescrewsholdingtheHinge(checkiftheyareloose).
Checkifthefrontandrearofthedoorandthehingepartarenotdamaged.

Removal and Reassembly _ 15
Part Figure Description
Disassembling the
Front Cover/Frame
Front (Check the
Door Lock S/W)
1. PulltheDIAPHRAGMupside,andnish
disassemblingalongthecircle.
2. Removethe2screwstoseparatetheDOOR
LOCKS/W.
3. Removethe5screwsatthetopofFRAME-
FRONT.
4. Pushtheleverandpullittowardstoopenthe
COVER-FILTER.
5. SeparatetheremainingWATERREMOVALHOSE
(BLUE)fromthehook.
6. Removethe2screwdownunderFrameFront.
7. PresstheUPPER-PLATEslightlywiththe
screwdrivertoseparatetheFRAME-FRONT.

16 _ Removal and Reassembly
Part Figure Description
Disassembling and
Repairing the Water
Supply Valve
1. RemovetheTopAssy-Plate.
2. Disconnectthewatersupplyvalvewireconnector.
3. Removethe4screwsholdingthewatersupply
valve.
4. Removethehoseconnectedtothevalves.
(Usethepliertoremovethehose.)
Disassembling and
Repairing the Water
Level Sensor
1. SeparatethewireconnectedtheSENSOR-
PRESSURE.
2. Adjusttheplasticclip(ofpressuresensor)between
twonoseofplier,thengripandpulltheplasticclip
withcaution.
(Usethelongnosepliertopushthehook).
3. RemovethehosefromtheSENSOR-PRESSURE.
Disassembling the
inside Detergent Box • HoldtheClampoftheDetergentBoxand
disassembletheHose-Drawer-Tub.

Removal and Reassembly _ 17
Part Figure Description
Disassembling the
Pump Motor Part
1. Removethe2screwsholdingtheASSYPUMP
DRAIN.
2. SeparatetheClampofthehoseconnectedtothe
PUMPandthenpulltheDRAIN-HOSE.
3. SeparatetheClampofthehoseconnectedtothe
PUMPandthenpulltheHOSE-AIR.
4. SeparatetheClampofthehoseconnectedtothe
PUMPandthenpulltheHOSE-DRAIN.
5. SeparatethewireconnectedtothePUMP.
Removing the
Remaining Water
• Ifthewashingmachineworks,drainthewater
inthewashtubbyselectingtheSpincourse.
Ifthewashingmachinedoesnotwork,remove
thelaundryfromthewashtubandscoopthe
remainingwateroutofthetubusingacup.

18 _ Removal and Reassembly
Part Figure Description
Disassembling the
Tub
1. Removethe2screwsxingGUIDE-WIRE,6
screwsxingFRAME-PLATE(U).
2. Removethe6boltsxingWEIGHTBALANCER
andthenpullittowardswithcaution.
3. Removethe4boltsxingDAMPERtotakeASSY
TUBout.
4. RemoveallwireandhoseconnectedtheASSY-
TUB.
5. OpenthecapofSPRING-HANGERtotakeASSY-
TUBout.
6. LifttheASSY-TUBwithtwopeoplecarefullywith
holdingSPRING-HANGER.