Samsung WA422PRHD Series User manual

WASHING MACHINE (TOP-LOADING) CONTENTS
SERVICE Manual
WASHING MACHINE
TOP-LOADING TYPE
Basic Name : WA422PRHD*
(WA-HUDSON PJT)
Basic Code : WA422PRHDWR/AA
Model Name : WA45H7000AW
(WA-7000HA PJT)
Model Code : WA45H7000AW/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 ................................................21
4-3. The installation for leveling.........................................................26
5. PCB diagram.......................................................................27
5-1. Main PCB .....................................................................27
5-2. Detailed Manual for Connector and Relay Terminal Part - Main PCB ........................28
5-3. Sub PCB ......................................................................29
5-4. Detailed Manual for Connector Terminal Part - Sub PCB .................................30
6. Wiring diagram .....................................................................31
6-1. Wiring diagram .................................................................31
7. Reference .........................................................................32
7-1. Model Number Naming Rules ......................................................32

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
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
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.
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.
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

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 57kg(125.7lb)
CAPACITY 4.5cu.ft
POWER
CONSUMPTION
WASHING 120V 700W
SPIN 120V 400W
DRAIN 120V 80W
SPINREVOLUTION 800rpm
C
B
A
D

Features and Specications _ 7
2-3. DETAIL FEATURES
Grade WA45H7000A* WA422PRHD*
Image
Main Spec.
Capacity(DOE) 4.5 4.2
AquaJetTM - -
SmartCare No No
Diamondinteriordrum Yes Yes
SelfClean Yes Yes
WashingCycles 9 9
InternalHeater - -
VRT®Yes Yes
Pulsatormaterial STS PP
Maxrpm
(Maxspinspeed) 800 800
MistShower Yes Yes
Motor DDM DD
Design
Color NeatWhite NeatWhite
Maindisplay 88 88
JogDial Chrome Chrome
LEDcolor Ice-blue Red
DoorLidTC TemperedTintedglass TemperedTintedglass
Easydoor Yes Yes
TopCover Steel(EGI)+Painting Steel(EGI)+Painting
Energy
MEF(cf/kWh/cycle) 2.45 2.45
WF(gal/cycle/cf) 3.55 3.55
EnergyGuide
(kWh/year) 169 165

8 _ Features and Specications
2-4. OPTIONS SPECIFICATIONS
Item Item Name Code No. Remark
HOSE-HANGER DC61-00224A Default
MANUAL-BOOK DC68-03133P Default
CABLETIE 6501-000121 Default
CAPW.V DC61-10449Q 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
Clutch Assembly
(continued)
13.Separatetheclip.
14.Removetheallscrewsxingtheclutch
assembly and then separate the clutch
assembly.
 Reassemblyproceduresareinthereverseorderofdissasemblyprocedures.