Samsung WA-7000HA PJT User manual

WASHING MACHINE (TOP-LOADING) CONTENTS

SERVICE

Manual

WASHING MACHINE

TOP-LOADING TYPE

Basic Name : WA48H7400AW

(WA7000H PJT)

Basic Code : WA48H7400AW/A2

Model Name : WA48J7700AW

WA48J7770AP

WA48J7770AW

(WA7700J PJT)

Model Code : WA48J7700AW/A2

WA48J7770AP/A2

WA48J7770AW/A2

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. Detail features ...................................................................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 ....................................................................19

4-1. Error modes ....................................................................19

4-2. Corrective actions for each error code ................................................23

4-3. The installation for leveling .........................................................27

5. PCB diagram .......................................................................29

5-1. Main PCB .....................................................................29

5-2. Detailed Manual for Connector and Relay Terminal Part - Main PCB ........................30

5-3. Sub PCB ......................................................................31

5-4. Detailed Manual for Connector Terminal Part - Sub PCB .................................32

6. Wiring diagram .....................................................................33

6-1. Wiring diagram .................................................................33

7. Reference .........................................................................34

7-1. Model Number Naming Rules ......................................................34

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.

4 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.

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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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.

4 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.

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electricalhazard..

• Whenconnectingwires,makesuretoconnectthemusingtherelevantconnectorsandcheckthattheyare

completely properly.

4 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.

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.

AFTER SERVICING

• Checkthewiring.

4 Ensure that no wire touches a rotating part or a sharpened part of the electrical harness.

• 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.

• Donotallowconsumerstorepairorserviceanypartofthewashingmachine

themselves.

4 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.)

4 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.

Grounding

terminal

75 cm

Copperplate

WARNING

Safety Instructions _ 3

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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.

WHILE SERVICING

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

4 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.

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.

CAUTION

4 _ Safety Instructions

AFTER SERVICING

• Checktheassembledstatusoftheparts.

4 Nowisagoodtimetoinspectyourwork.Reviewallconnectionsandwiring,includingmountinghardware.

• Checktheinsulationresistance.

4 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.

4 Vibrations can shorten the lifetime of the product.

CAUTION

FeaturesandSpecications_5

2. FEATURES AND SPECIFICATIONS

2-1. FEATURES

Features Description

The Great Capacity

• Evenbulkygarmentsandblanketsgetsuperclean.TheGreatcapacity

leavesenoughroomforamorethorough,cleanerwash.

AquaJet

TM

• AquaJet™washesloadsgentlyandmorethoroughlythanconventionaltop

loaders. Sprayed water allows detergent to distribute evenly and penetrate

fabricsfasteranddeeper.AquaJet™deliversimprovedcleanlinessand

advanced fabric care.

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.Beltless

direct-drivemotorgeneratesahigherspinspeedformoreeffective,quiet

operation.Thewasheralsohasfewermovingparts,meaningfewerrepairs.

Mist Shower

• Aseparatenozzlehasbeenadoptedthatsprayswaterequallysothatthe

rinse cycle is effective even with a small amount of water.

VRT

®

(VibrationReductionTechnology)

• ThisSamsungwasherperformssmoothlyattopspinspeeds,minimizing

noise and vibration.

Eco Plus

• Ifyouselectthisoption,thewatertemperatureissettoslightlylowerthan

during the normal wash course to save energy.

Self Clean

(TubCleaningcycle)

• Cleanyourdrumwithonebutton!ThisPureCycleisspeciallydesignedto

removedetergentresidue&dirtbulidupinthetub,withouttheneedfor

special chemical detergents.

EZ-Closed Lid • Thedoorisdesignedtoclosesoftlyandpreventusersfrombeinginjured

My Cycle

• Thisisaconvenientfunctionthatenablesyoutosaveafrequently-used

washcourse.Oncethisisset,youcandoawashsimplybypressingthe

Power,MyCycleandStartbuttonsinthissequence.

Smart Care

• Samsung’sSmartCare,anautomaticCheck-monitoringsystem,detectsand

diagnosesproblemsatanearlystageandprovidesquickandeasysolutions.

Prewash

(WaterJet&Built-insink)

• WaterJetandBuilt-insinkhelpyouhandwashbeforethewashingmachine

startsoperation.WaterJetisavailableonlywhenthedoorisopenwiththe

waterlevelsettolessthanHigh.Forprewashing,usetheBuilt-insinkthatis

designed to facilitate the hand-wash.

6_FeaturesandSpecications

2-2. SPECIFICATIONS

TYPE TOP LOADING WASHER

DIMENSION

(Inches/cm)

A.Height 43.9″/111.5cm

B. Width 27.0″/68.6cm

C. Height with Door open 58.1″/147.6cm

D. Depth 29.3″/74.4cm

WATERPRESSURE 20~116psi(137~800kPa)

WEIGHT 64.0kg(141.1lb)

CAPACITY 4.8cu.ft

POWER

CONSUMPTION

WASHING 120V 700W

SPIN 120V 400W

DRAIN 120V 80W

SPINREVOLUTION 1,100rpm

C

B

A

D

FeaturesandSpecications_7

2-3. DETAIL FEATURES

Grade

WA48J7700A*

WA48J7770A*

WA48H7400AW

Image

Main Spec.

Capacity(DOE) 4.8 4.8

AquaJet

TM

Yes Yes

Smart Care Yes Yes

Diamond interior

drum

Yes Yes

Self Clean Yes Yes

Washing Cycles 11 11

Internal Heater - -

VRT

®

Yes Yes

Pulsator material STS STS

Maxrpm

(Maxspinspeed)

1,100 1,100

Mist Shower Yes Yes

Motor DD DD

Design

Color

White

Inox

Neat White

Main display 18:88 18:88

JogDial Chrome Chrome

LED color Ice-blue Ice-blue

Door Lid TC Transparent Glass Tempered Tinted glass

Easy door Yes Yes

Top Cover Steel(EGI)+Painting Steel(EGI)+Painting

Energy

EstimatedYearly

Operating Cost

(whenusedwith

an electric water

heater)

$15

EstimatedYearly

Energy Cost

(whenusedwith

an electric water

heater)

$17

EstimatedYearly

ElectricityUse

129kWh

EstimatedYearly

ElectricityUse

145kWh

EstimatedYearly

Operating Cost

(whenusedwitha

natural gas water

heater)

$9

EstimatedYearly

Energy Cost

(whenusedwitha

natural gas water

heater)

$11

8_FeaturesandSpecications

2-4. OPTIONS SPECIFICATIONS

Item Item Name Code No. Remark

HOSE-HANGER DC61-00224A Default

MANUAL-BOOK DC68-03132L Default

CABLETIE 6501-000121 Default

ASSYCAPV.W DC97-18313A Default

ASSY-LEGSUPPORT DC97-14095A Service

Note

• CustomercanpurchaseWatersupply,drainhosesandassylegsupportfromaservicecenter.

Disassembly and Reassembly _ 9

3. DISASSEMBLY AND REASSEMBLY

3-1. TOOLS FOR DISASSEMBLY AND REASSEMBLY

Tool Type Remarks

Boxdriver

10mm

17mm

Tub(16),Fixerscrew(5),Motor(1),Balance(5)

Damper(2),Damper(friction1)

Double-ended

spanner

10mm

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

JIGfortheASSYSPIN

BASKET

10 _ 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.

Part Figure Description

Sub and Main PCB

Assembly

1. Remove the 6 screws holding the control

panel assembly.

2. Separatethebothhooks.(LeftandRight)

3. Separate the cover panel upward.

 Ifitisdifculttodisassemble,usethe(-)

drivertodisassemblehooks.

(Becarefuldamageofhooks.)

4. Remove the 2 screws holding the control

panel assembly and turn the panel over.

5. PulltheEncoder-Knobtoseparateitand

thenremovethe4xingscrews.

 WhenreassemblingthePCB,takecare

that you do not damage the control-panel

xinghook.AfterreplacingthesubPCB,

checkthekeyoperation.

6. Separatethecoverpcb(m)andthewires

connectedtothemainPBA.

 Afterreassemblingthehousing,check

if the wires are properly connected.

When disassembling and reassembling

thehousing,takecarethatyoudonot

damage the part.

Disassembly and Reassembly _ 11

Part Figure Description

Water Valve

1. Afterseparatingthecontrolpanel,separate

the water-valve housing.

2. Removethe3xingscrews.

3. Remove the wire-harness and release the 2

clamps connecting the hoses.

 Whenreleasingtheclamps,takecare

that you do not tear the hoses.

12 _ Disassembly and Reassembly

Part Figure Description

Door Assembly

1. Remove the 2 inlay tapes.

2. Remove the 4 screws holding the door

lid TC and separate the door.

Disassembly and Reassembly _ 13

Part Figure Description

Top Cover Assembly

/ Door Switch

1. Remove the 2 screws from the cover

plate.

2. Separate the control panel assembly.

3. SeparatetheAssyValveWater,themain

PBA,theAssySensorPressureandthe

lterEMIhousing.

Separate the housing to prevent

stress and damage to the wire-

harness.

4. Separatethemainwireharness,the

pressureswitchhoseclip,Grounding

screw .

5. Release the bleach hose clamp.

6. Separate the top cover assembly by

lifting and pushing ahead the top part of

the assembly.

7. youcancheckthedoorswitchIfturnthe

Top cover upside down.

Sensor Pressure

Switch

1. Disassemble the control panel assembly.

2. Separate the pressure switch housing.

3. Beforeseparatingthehose,releasethe

clip.

 Whenreleasingtheclip,takecare

that you do not tear the hose.

14 _ Disassembly and Reassembly

Part Figure Description

Drain-Pump

1. Separatethebackcover

2. Separate 2 clamps.

3. Remove the 13 screws in base.

4. Remove the 3 screws

5screwsareseparatedby‘+’shapehand

driver.

Thermistor 1. Remove the 2 screws.

Disassembly and Reassembly _ 15

Part Figure Description

Clutch Assembly

(continued)

1. Separate the top cover assembly by

lifting and pushing ahead the top part of

the assembly

2. Remove the 2 screws holding the panel

control Separate all the wires connected

to the housing.

3. Removethe4screwsxingthetub-

cover and separate the tub-cover.

4. Separate the pulsator-cap by inserting

thetipofa(-)screwdriverbetweenthe

pulsator-cap and the pulsator and then

liftingthescrewdriverup(↑).

5. Remove the bolt holding the pulsator

with a 10mm wrench.

16 _ Disassembly and Reassembly

Part Figure Description

Clutch Assembly

(continued)

6. Remove the shaft with the jig wrench.

-Releasethenutinaclockwisedirection.

-Fastenthenutinacounterclockwise

direction.

7. Place the main body so that the front

frame faces upward and remove the 4

bolts holding the saddle with a 10mm

wrench.

When you place the washer on

theoor,takecarethatyoudonot

damage or scratch the product.

8. Remove the bolt holding the DD-motor

housing with a 17mm wrench and then

remove the motor housing.

9. Remove the 6 bolts holding the DD-

motor with a 10mm wrench.

Disassembly and Reassembly _ 17

Part Figure Description

Clutch Assembly

(continued)

10.Separatethe2markedhousingsand

then remove the DD-motor.

11.Pressthehooktoseparatethehousing.

12. Separate the slide guide and the

coupling by pulling them forward.

Disassemble the coupling and the

spring.

18 _ Disassembly and Reassembly

Part Figure Description

13.Removetheallscrewsxingtheclutch

assembly and then separate the clutch

assembly.

Reassembly procedures are in the reverse order of dissasembly procedures.

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Samsung WA-7000HA PJT User manual

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