Samsung WW70T304MBW 7kg Front Loader Washer User Manual

WASHING MACHINE

DRUM TYPE

WASHING MACHINE (DRUM) CONTENTS

SERVICE

Manual

REPAIR GUIDE

1. Safety Instructions

2. FeaturesandSpecications

3. Disassembly and Reassembly

4. Troubleshooting

5. Wiring Diagram

6. Reference

The model code is on the next page.

MODEL CODE

WW7*T****** WW8*T****** WW9*T******

WW70T301MBW WW80T301MBS WW90T304MBW

WW70T301MWW WW80T301MBW WW90T304MWW

WW70T302MBS WW80T301MWW WW90T304PWW

WW70T302MBW WW80T304MBS WW91T304MBW

WW70T302MWW WW80T304MBW WW9FT304PWW

WW70T303MBS WW80T304MWW

WW70T303MBW WW80T304PWW

WW70T303MWW WW81T301MWW

WW70T304MBW WW81T304MWW

WW70T304MWW WW81T304PWW

WW70T304PWW WW8ET304PWW

WW71T301MWW

CONTENTS

1. Safety instructions .........................................................................1

1-1. Safety instructions ...........................................................................1

2. FeaturesandSpecications ................................................................4

2-1. Specications .......................................... ............................... .......4

2-2. ComparingSpecicationswithExistingModels ................................................5

2-3. Accessories ..................................................................................6

3. Disassembly and Reassembly ...............................................................7

3-1. Toolsfordisassemblyandreassembly ......................................................... 7

3-2. Standarddisassemblydrawings ............................. ...... ....... ...... ...... ...... ...8

4. Troubleshooting ..........................................................................26

4-1. InformationCode ...........................................................................26

4-2. ProblemCheckPoint ........................................................................28

5. Wiring diagram ...........................................................................29

5-1. Wiringdiagram .............................................................................29

6. Reference .................................................................................30

6-1. WW3000TM Project Name ..................................................................30

6-2. Terminology ................................................................................31

Safety Instructions _ 1

1. SAFETY INSTRUCTIONS

1-1. SAFETY INSTRUCTIONS

► Makesuretoobservethefollowinginstructionstooperatetheproductcorrectlyandsafelyand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.

► Followingtherepairbyanon-authorisedserviceprovider,self-repairornon-professionalrepairoftheproduct,Samsungisnot

liableforanydamagetotheproduct,anyinjuryoranyotherproductsafetyissuecausedbyanyattempttorepairtheproduct

whichdoesnotcarefullyfollowtheserepairandmaintenanceinstructions.Anydamagetotheproductcausedbyanattemptto

repairtheproductbyanypersonotherthanaSamsungcertiedserviceproviderwillnotbecoveredbythewarranty.

WARNING

BEFORE SERVICING

• (Whenservicingelectricalpartsorharnesses)Makesuretodisconnectthepowerplugbeforeservicing.

4 Failingtodosomayresultinariskofelectricshock.

• Adviseconsumersnottoconnectseveralappliancestoasinglepoweroutletatthesametime.

4 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.

4 Failingtodosomaydamagetheplugorpoweroutlet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.

4 Failingtodosomayresultinresultinaccidentaloperationofthewashingmachine.

• Donotplaceorusegasoline,thinners,alcohol,orotherammableorexplosivesubstancesnearthewashingmachine.

4 Thereisariskofexplosionandrecausedfromelectricsparks.

2 _ Safety Instructions

WARNING

WHILE SERVICING

• Checkifthepowerplugandoutletaredamaged,attened,cutorotherwisedegraded.

4 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.

4 Thiswillpreventariskofreduetotrackingandshortsinadvance.

• Whenconnectingwires,makesuretoconnectthemusingtherelevantconnectorsandcheckthattheyareproperlyconnected.

4 Donotusetapeinsteadoftheconnectors,itmaycausereduetotracking.

• MakesuretodischargethePBApowerterminalsbeforestartingtheservice.

4 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.

4 Ifnotinsertedintothebracket-heater,ittouchesthedrumandcausesnoiseandelectricleakage.

• Donotrepairthewashingmachinewithoutsafetygloves.

4 It can cause injury.

WARNING

AFTER SERVICING

• Checkthewiring.

4 Ensurethatthewiringcannotbedamagedbyanysharpedgesormovingparts.

• Checkforanywaterleakage.

4 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.

• Adviseconsumersnottorepairorserviceanypartofthewashingmachinethemselves.

4 Thismayresultinpersonalinjuryandshortentheproductlifetime.

Safety Instructions _ 3

CAUTION

BEFORE SERVICING

• Donotsprinklewaterontothewashingmachinedirectlywhencleaningit.

4 Thismayresultinelectricshockorre,andmayshortentheproductlifetime.

• Donotplaceanycontainerswithwateroranyotherliquidonthewashingmachine

4 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.

4 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.

4 Thismayresultinelectricshockordamagetotheproduct.

CAUTION

WHILE SERVICING

• Whenwiringaharness,makesuretosealitcompletelysonoliquidcanenter.

4 Takecarewhendisconnectingconnectors,donotuseexcessiveforceasthismaydamage

theconnector.

• Checkifthereisanyresiduethatshowsthatliquidenteredtheelectricpartsorharnesses.

4 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.

4 Donotlayitdownonitsfront.Thismayresultintheinsidetubdamagingparts.

• Atleasttwopeopleshouldworkwhenworkingwithheavyproducts.

4_FeaturesandSpecications

2. FEATURES AND SPECIFICATIONS

2-1. SPECIFICATIONS

MODEL

WW7*T30*** WW8*T301*** WW9*T304***

Modelname

Frontloadingwashingmachine

Dimensions(mm)

595*495*850 595*520*850 595*560*850

Water pressure

50kPa-800kPa

Netweight(kg) 59

59 64

Washandspincapacity

7kg 8kg 9kg

Power

consumption

Washing

220V

120 W 120 W 120 W

240V

150 W 150 W 150 W

Washingand

heating

220V

1800 W 1800 W 1800 W

240V

2100 W 2100 W 2100 W

Spin+Pump 220V~240

500 W 500 W 500 W

Spinrevolutions

WW9*T304***

WW9*T303***

WW9*T302***

WW9*T301***

WW8*T304***

WW8*T303***

WW8*T302***

WW8*T301***

WW7*T304***

WW7*T303***

WW7*T302***

WW7*T301***

1400rpm 1200 rpm 1400rpm 1200 rpm 1400rpm 1200 rpm

PleasevisitSamsungofcialwebsitetoreceivemostup-to-dateinformationaboutsoftwareandproductmaintenance.

Model

WW7*T30*** WW8*T301*** WW9*T304***

Width(A)

595 mm

Height-Overall(B)

850 mm

Depth(C)

495 520 560

Depthwithdooropen90°(D)

913 938 978

FeaturesandSpecications_5

2-2. COMPARING SPECIFICATIONS WITH EXISTING MODELS

Project WW3000TM

Model Name WW9*T304*** WW8*T30**** WW7*T30****

Image

Feature - - -

Capacity 9.0kg 8.0kg 7.0kg

Main

Spec

DrumVolume 60 L 53 L 49 L

MaxRpm 1400 rpm 1400 / 1200 rpm 1200,1400/1200,1400rpm

Motor DIT DIT/Universal DIT/Universal

ControlSys General General General

WeightDetection Yes Yes Yes

WashHeaterCapacity

1800-2100W /

220-240V

1800-2100W / 220-240V 1800-2100W / 220-240V

WaterSupply ColdOnly ColdOnly ColdOnly

Drainage Pump Pump Pump

Power-OutageCompensation No No No

ZeroStanbyPower

Yes

(0.5WorLess)

Yes

(0.5WorLess)

Yes

(0.5WorLess)

USP

EcoBubble

No No No

DelayEnd Yes Yes Yes

ChildLock Yes Yes Yes

DiamondDrum No No No

Design

Door 450mm 450mm 450mm

CenterJogDial No No No

Display LED LED LED

Dimension(WxDxH) 595x560x850(mm) 595x520x850(mm) 595x495x850(mm)

(★) : Special models only

6_FeaturesandSpecications

2-3. ACCESSORIES

Figure Unit Code QTY Description

BoltSpanner - 1

Toremovetheshippingbolts

Toadjustthelevelingleg

Assy Hose Water -

Coldonly1(★)

Tosetupwatersupply.

Hose Water

(Aqua-Stop)

1(★)

Tosetupwatersupply.

CapFixer - 4

Tocovertheholes.

Hose Hanger - 1 Tosecurethedrainhose.

Note

• (H)issuppliedforspecicmodelsonlyamongthosewithoutwatersupplyhoses.

• Customercanpurchaseadditionalwatersupplyanddrainhosesfromaservicecenter.

• Forbuilt-inmodels,thespanner,watersupplyanddrainhosesarenotsupplied.Boththewatersupplyanddrainhosesare

suppliedduringtheinstallatio.

Disassembly and Reassembly _ 7

3. DISASSEMBLY AND REASSEMBLY

3-1. TOOLS FOR DISASSEMBLY AND REASSEMBLY

Tool Type Remarks

Boxdriver

10mm Heater(1),Tub(12),Fixerscrew(4),Motor(2),

13mm

ShockAbsorber(3holeseachinleft/right),

Damper(3),Damper(friction2),Balance(6)

17mm Pulley(1)

Double-ended

spanner

10mm

13mm

17mm

Replacedbyboxdriver

Leg

Vicepliers

AToolforprotectingemptyturningofboltor

abrasionfromusingboxdriver

FordisassemblyofSpindrum

Others

(screwdriver,nipper,long

nosepliers)

Commontoolsforservicing

Torquewrench TheToolforassemblyofheaterandTub

-Forinformationaboutpurchasingpartsandtool,pleasevisithttp://www.samsung.com/support

-Forthepartcodeinformation,pleaserefertheattachedle'ExplodedView'.

8 _ Disassembly 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.

 Disassembly

Part Figure Description

Assy Cover Top

1. Remove2screwsholdingtheCoverTopatthe

backoftheunitusing(+)screwdriver.

Back Front

2. RemovetheCoverTopbyliftingitupafter

pullingitbackabout15mm.

Assy Drawer

1. OpentheDrawerbyhand.

2. Whileholdingdownthereleaseleverinsidethe

Drawer(redbox),slideopentheDrawer.

3. PulluptheCapRinsetoremoveit.

Disassembly and Reassembly _ 9

 Reassembly

Part Figure Description

Assy Drawer

1. FittheholeandpresstheCapRinsesothatit

canbeassembled.

2. Makesuretottherailwhenreassemblingthe

AssyDrawer.

3. InserttheDrawerasshowninthepicture.

10 _ Disassembly and Reassembly

 Disassembly

Part Figure Description

Assy Panel Control

1. Remove2screwsholdingtheDrawerandPanel

using(+)screwdriver.

2. Removethe2screwsatthetopoftheAssy

PanelControlusing(+)screwdriver.

3. IfyouholdthePanelandpullitforward,the

HookwillcomeoffandthePanelwillbe

separated.

 BecarefulnottobreaktheHook.

4. RemovetheConnectorwhilepressingtheHook

onthe7ConnectorsinsertedinthePBAofthe

AssyPanel.

5. RemovetheCableTiethatisxedintwoplaces

asshowninthepicture.

Disassembly and Reassembly _ 11

 Reassembly

Part Figure Description

Assy Panel Control

1. Insertthe7WireConnectorsintoPBAandx

the2CableTies.

 MakesuretheHookislockedproperly.

2. AssembletheAssyPanelControltotheproduct.

3. Assemblethe2screwsonbothsidesofthe

AssyPanelControl.

4. Assemble2screwsholdingtheDrawerand

Panelwith(+)screwdriver.

12 _ Disassembly and Reassembly

 Disassembly

Part Figure Description

Assy Housing-Drawer

1. SeparatetheClamp.

2. RemovetheHoseDrawerTubxedtotheAssy

Housing-Drawer.

3. SeparatetheClampxedtotheTub.

4. Removethe2Connectorsand2screwsxedto

theWaterValve.

Disassembly and Reassembly _ 13

Part Figure Description

Assy Housing-Drawer

1. SeparatetheallClamps.

2. Separatethe6Hooksfrombothsidesof

Housing-Drawer.

 BecarefulnottobreaktheHook.

14 _ Disassembly and Reassembly

 Reassembly

Part Figure Description

Assy Housing-Drawer

1. Assemblethe6Hooksonbothsidesof

Housing-Drawer.

2. First,assembletheHosetotheWaterValveand

Housing-DrawerandthenxtheClamps.

3. AftermountingtheAssyHousing-Draweron

theproduct,assemblethe2Connectorsand2

screwsontheWaterValve.

Disassembly and Reassembly _ 15

Part Figure Description

Assy Housing-Drawer

4. AssembletheHoseDrawerTubtoAssy

Housing-Drawer.

5. AssembletheClamp.

16 _ Disassembly and Reassembly

 Disassembly

Part Figure Description

Water Valve

1. SeparatetheAssyCoverTop.

2. Separatethe2ConnectorsandClampsbyhand

andremove2Hoseswithlongnosepliers.

3. Removethe2screwsholdingtheWaterValve

using(+)screwdriver.

 Reassembly

Part Figure Description

Water Valve

1. Assemblethe2screwsholdingtheWaterValve

using(+)screwdriver.

2. Assemblethe2hosestothewatervalveusing

longnosepliers.

3. Assemblethe2Clampsand2WireConnectors

asshowninthepicture.

 MakesuretheHookislockedproperly.

Disassembly and Reassembly _ 17

 Disassembly

Part Figure Description

Frame Front

Beforeyoustart,disassembleAssyCoverTop,

AssyPanelControl.

 BecarefulnottotearuptheDiaphragm.

1. Usinglongnosepliers,pickuponeoftherings

onWire-Diaphragmwhichconnectthespring

andthewireends.Then,separatetheWire-

DiaphragmfromtheFrameFront.

2. Removethe2screwsfromthetopand3screws

fromthebottom.

3. SeparatetheConnectorofDoorS/Wxedinside

theFrameFront.

18 _ Disassembly and Reassembly

Part Figure Description

Frame Front

4. Removethe2screwsandseparatetheAssyDoor.

5. SeparatetheDoorS/Wbypressingthemolded

objectaboveandbelowDoorS/W.

6. OpentheHookontheupperpartoftheFilter

Coverbypressingitdownwitha(-)screwdriver

orapointedtool.

7. Separatethe8hooksxedtotheFrameFront.

Disassembly and Reassembly _ 19

 Reassembly

Part Figure Description

Frame Front

1. Assemblethe8Hooksbycheckingthedirection

oftheGuideFilter.

2. AfterxingtheCoverFiltertothelower2places

oftheGuideFilter,presstheupperpartto

assemble.

3. AssemblebypressingDoorS/Winlinewith

FrameFrontgroove.

4. Assemblebyfastening2screwstoAssyDoor.

20 _ Disassembly and Reassembly

Part Figure Description

Frame Front

5. Fastenthe5screwsintheupper2placesand

thelower3places.

6. AssembletheDoorDiaphragmonFrameFront.

7. FixtheClamp.

Disassembly and Reassembly _ 21

 Disassembly

Part Figure Description

Assy Door

OpentheDoor.

Removethe2screwsxedtotheFrameFrontand

Doorusinga(+)screwdriver.

Remove10screwsusinga(+)screwdriver,and

removebyinsertinganawlintotheHolder.

22 _ Disassembly and Reassembly

Part Figure Description

Assy Door

Remove4screwswith(+)screwdriverand

disassembletheDoorHingeandDoorLever

assembledinHolderandthenseparatetheDoor

GlassfromHolderGlassHook.

Disassembly and Reassembly _ 23

 Reassembly

Part Figure Description

Assy Door

InserttheDoorGlassintotheHolderGlasstotthe

grooveandfastenthedoorleverwithtwoscrews

andthenassembletheHingeDoortoHolderand

fastenwith2screws.

AssembletheCoverDoortoHolderGlassandfasten

the10screws.

AssyDoorisassembledtoFrameFrontbyfastening

2screws.

24 _ Disassembly and Reassembly

 Disassembly

Part Figure Description

Door-Lock S/W

Beforeyoustart,disassembleAssyCoverTop,Assy

PanelControl.

 BecarefulnottotearuptheDiaphragm.

1. Usinglongnosepliers,pickuponeoftherings

onWire-Diaphragmwhichconnectthespring

andthewireends.Then,separatetheWire-

DiaphragmfromtheFrameFront.

Removethe2screwsfromthetopand3screws

fromthebottom.

SeparatetheDoorS/Wbypressingthemolded

objectaboveandbelowDoorS/W.

SeparatetheConnectorofDoorS/Wxedinsidethe

Frame Front.

Disassembly and Reassembly _ 25

 Reassembly

Part Figure Description

Door-Lock S/W

InserttheConnectorofDoorLockS/W.

Insertthe2HoldersofDoorLockS/WintotheHole

of Frame Front.

Fastenthe5screwsintheupper2placesandthe

lower3places.

26 _ Troubleshooting

4. TROUBLESHOOTING

4-1. INFORMATION CODE

► When an abnormal condition occurs, melody sounds and displays Info. code indications as shown in the following Info. codes

are shown until the status has cleared.

No. Information Type

Information

Code

Causes Corrective Actions

1 WaterLevel 0C/1C

-Inletvalvefailure

-Thecomputerboardisfaulty(theSCRofthewaterinletvalve

isshort-circuited)

-Waterlevelsensorfailure(lessthan20KHzormorethan

50KHzbeyondthenormalrange)

-Theterminalofthewaterlevelsensorisnotpluggedinorthe

wiringharnessisfaulty.

•Replacethewaterinletvalve

•Replacecomputerboard

•Replacethewaterlevelsensor

•Checkwhetherthewiringharness

terminalisrmlyconnectedor

replacethewiringharness

2 Motor 3C

-Themotorwiringharnessterminalislooseorthewiring

harnessisfaulty

-Motortemperaturerisetoohighthermalprotectionaction

(lockedrotorfailure,checkthemotorspeedis0for5

consecutivetimes,every5secondsinterval)

-Themotoritselfisfaulty

-Computerboardfailure

-UVWshortcircuit;motorcoilinsulationisdamaged(variable

frequencyvariant)

-UVWwiringisoff(variablefrequencyvariant)

-Poorheatdissipation(variablefrequencyvariant)

•Checkwhetherthewiringharness

terminalsarermlyconnectedor

replacethewiringharness

•Checkiftheclothesaretoomuchor

stuck.Afterpoweroffandcooling

foraperiodoftime,youcanpower

on again

•Replacethemotor

•Replacecomputerboard

•Checkifthewiringharnessterminal

isshortedorreplacethemotor

(variablefrequencyvariant)

•Checkwhetherthewiringharness

terminalisrmlyconnectedor

replacethewiringharness(variable

frequencyvariant)

•Waitingtocooldown(variable

frequencyvariant)

3 WaterSupply 4C

-Thefaucetisnotturnedonorthewaterowistooslow

-Thedrainagepipeisnotsuspended

-Airlevelsensororaircollectiontubeleaks

-Theinletvalveisdamaged

-Thecomputerboardisfaulty(theSCRofthewaterinletvalve

isopenortheSCRofthepumpisbrokendown)

-waterlevelsensorfailure

(alwaysmaintainacertainwaterlevelvalue)

•Checkwhetherthefaucetisturned

onandthesizeofthewaterow

•Hangthedrainpipe

•Checkthewaterlevelsensorandgas

manifoldassembly,orreplace

•Replacethewaterinletvalve

•Replacethecomputerboard

•Replacethewaterlevelsensor

4 Drain 5C

-Drainpumplterisdirty

-Thedrainagepipeisblocked

-Drainpumpfailure

-Thedrainpumpwiringharnessplugisloose,notconnected,

orthewiringharnessisfaulty

-Computerboardfailure(waterlevelsensorterminalshort

circuit)

-Waterlevelsensorfailure(alwayskeephigherthanthe

emptywaterlevelvalue)

•Clearpumplter

•Dredgingthedirtydrainpipe

•Replacethedrainagepump

•Checkwhetherthewiringharness

terminalisrmlyconnectedor

replacethewiringharness

•Replacethecomputerboard

•Replacethewaterlevelsensor

5 Communication

-Theterminalisnotpluggedinorthewiringharnessisfaulty

-Powercomputerboardordisplayboardfailure

•Checkwhetherthewiringharness

terminalsarermlyconnectedor

replacethewiringharness

•Replacecomputerboard

AC6

-Theterminalisnotpluggedinorthewiringharnessisfaulty.

-Computerboardorinverterboardisfaulty

•Checkwhetherthewiringharness

terminalsarermlyconnectedor

replacethewiringharness

•Replacecomputerboardorinverter

board

- -Motherboardvariantandinvertermodeldonotmatch

•Resetvariants

•Replacetheinverter

Troubleshooting _ 27

No. Information Type

Information

Code

Causes Corrective Actions

6 DOOR

-Thedoorisnotclosed

-Microswitchfailure

-Theterminalisnotpluggedinorthewiringharnessisfaulty

-Computerboardfailure

•Checkifthedoorisclosedproperly

•Replacethedoordetectionswitch

•Checkifthewiringharnessterminals

arermlyconnectedorreplace

•Replacecomputerboard

DC1

-Thedoorisnotclosed

-Doorlockfailure

-Theterminalisnotpluggedinorthewiringharnessisfaulty

-Computerboardfailure(triacfailure)

•Checkifthedoorisclosedproperly

•Replacethedoorlock

•Checkifthewiringharnessterminals

arermlyconnectedorreplace

•Replacecomputerboard

7 HEATER HC

-Theterminaloftheheatingpipelineislooseorthewiring

harnessisfaulty.

-Heatingtubefailure

-Computerboardfailure(ordryingcomputerboardfailure)

•Checkwhetherthewiringharness

terminalsarermlyconnectedor

replacethewiringharness

•Replacetheheatingtube

•Replacethecomputerboard

(ordrythecomputerboard)

8 WaterLeakage LC

-Heaterengagementfault.(outofplace)

-Theairhoseisoutofplaceandwaterleakageoccursduring

thespincycle.

-Thetubbackatthesafetyboltsxingpartisbroken.

-Waterleakageoccursatthefrontwithfoamingbecauseof

toomuchdetergent.

-Waterleakageoccursbecausetheconnectinghosetothe

detergentdrawerisconnectedincorrectly.

-Thedrainpumpltercoverisengagedincorrectly.

-Waterleakageoccursatthedrainhose.

-Theductcondensingholdingscrewsareworn.

-Thenozzle-diaphragmisengagedintheoppositedirection

ortherubberpackagingisomitted.

-Waterleakageoccursbecausethescrewsthatholdthetub

backandfrontinplacearefastenedincorrectly.

-Theleakagesensorisfaulty.

•CheckWaterLeakage

•DVCASEforeignmaterialoccurs

•Leakageoftheproductinsidethe

hoseandpartsmoldedproblem

Temperature

Sensor

TC1

-Theterminalofthewaterheatingtemperaturesensorwiring

harnessislooseorthewiringharnessisfaulty.

-Temperaturesensorfailure

-Computerboardfailure

•Checkwhetherthewiringharness

terminalsarermlyconnectedor

replacethewiringharness

•Replacetemperaturesensor

•Replacethecomputerboard

Variant settings

abnormal

AllDisplay

Blink

-Thevariantsettingsdonotmatchthecurrentsoftware

-Variantinformationstorageabnormality(FlashorEeprom

failure)

•Loginvariantsettingmodeandreset

thevariant

• MCU or Eeprom

28 _ Troubleshooting

PROBLEM SOLUTION

Thewashingmachinewon’tstart.

•Makesurethewashingmachineispluggedin.

•Makesurethedoorisproperlyclosed.

•Makesurethewatertapisopen.

• Tap Start or Press Start/Pausebuttonagain.

Watersupplyisinsufcient,ornowater

issupplied.

•Openthewatertapfully.

•Makesurethewatersupplyhoseisnotfrozen.

•Makesurethewatersupplyhoseisnotkinkedorclogged.

•Cleanthelteronthewatersupplyhose.

Thewashingmachinevibratesbadly,or

makesnoise.

•Makesurethewashingmachineisinstalledonaleveloor.Iftheoorisnotlevel,

usethelevelingfeettoadjustthelevel.

•Makesurethattheshippingboltsareremoved.

•Makesurethewashingmachineisnottouchinganyotherobject.

•Makesurethelaundryloadisbalanced.

Thewashingmachinedoesnotdrain

and/orspin.

•Makesurethedrainhoseisstraightenedallthewaytothedrainsystem.

•Makesurethedebrislterisnotclogged.

Thedoorwon’topen.

•PresstheStart/Pausebuttontostopthewashingmachine.

•Thedoorstayslockedaslongasthewashingmachineisstillhotinsideaftera

heatingoperation.

•Itmaytakeseveralsecondstodisengagethedoorlockmechanism.

ButtonCheck •bCoccurs.ReferthebCtroubleshooting.

4-2. PROBLEM CHECK POINT

Wiring Diagram _ 29

5. WIRING DIAGRAM

5-1. WIRING DIAGRAM

► ThisDocumentcannotbeusedwithoutSamsung’sauthorization.

n REFERENCE INFORMATION

BLK BLACK

BLU BLUE

GRN GREEN

GRY GRAY

NTR NATURAL

ORG ORANGE

PNK PINK

RED RED

SKYBLU SKYBLUE

VIO VIOLET

WHT WHITE

YEL YELLOW

30 _ Reference

6. REFERENCE

6-1. WW3000TM PROJECT NAME

WW 90 T 3 0 4 M W W EP

Type Capa PJT

Product

name

Feature1 Feature2 Door Body Buyer

Code Content Code Content Code Year Code Panel Code MOTOR RPM Code Feature Code Door Code Body Code

WW Washer

9kg T 2020 3 Basic 1 UNI 1200 0 Non-functional W WHITE W WHITE SA NewZealand

WD Combo 85 8.5kg 2021 2 DIT 1200 2 AquaHose B BLACK S SILVER SV Vietnam

80 8kg 3 UNI 1400 M CirculationPump EU U.K

70 7kg 4 DIM 1400 P

CirculationPump+

AquaHose

EC Spain

60 6kg EO Poland

EP Portugal

EG Germany

EF France

: :

Reference _ 31

6-2. TERMINOLOGY

1. Drain Pump

Thepumpthatdrainsthewaterfromthewashingmachinegeneratedwhilethewashing

machineisrunning.

2. Heater

Theheaterislocatedonthetubinsidethewashingmachine.

Itheatsthewatertoincreasewashefciency.

3.DoorLockSwitch

Detectswhetherthedoorofthewashingmachineisopenorclosedifthedoorisopenwhile

thewashingmachineisrunningthecycleistemporarystopped.

ThisServiceManualisapropertyofSamsungElectronicsCo.,Ltd.

AnyunauthorizeduseofManualcanbepunishedunderapplicable

Internationaland/ordomesticlaw.

reserved.

Printed in Korea

GSPN (GLOBAL SERVICE PARTNER NETWORK)

Area Web Site

Europe,CIS,Mideast&Africa gspn1.samsungcsportal.com

Asia gspn2.samsungcsportal.com

North&LatinAmerica gspn3.samsungcsportal.com

China china.samsungportal.com

Samsung WW70T304MBW 7kg Front Loader Washer

Product's Documents

Repair Guide

Specifications

Samsung WW70T304MBW Questions and Answers