Samsung WA5471AB Series User manual

WASHING MACHINE (TOP-LOADING) CONTENTS
SERVICE Manual
WASHING MACHINE
TOP-LOADING TYPE
Basic Name : WA5471AB*
WA5451AN*
(ORCA PJT)
Basic Code : WA5471ABP/XAA
WA5471ABW/XAA
WA5451ANW/XAA
Model Name : WA456*
WA422*
WA400*
(HUDSON PJT)
Model Code : WA456DRHDSU/AA
WA456DRHDWR/AA
WA422PRHDWR/AA
WA400PJHDWR/AA
Refer to the service manual in the GSPN (see the rear cover) for the more information.
1. Safety Instructions
2.FeaturesandSpecications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Schematic Diagram
8. Reference
WA456DRHDWR
WA456DRHDSU
WA400PJHDWR
WA422PRHDWR
Hudson Washer.indb 1 2012-03-28 �� 9:45:45

CONTENTS
1. Safetyinstructions...................................................................1
1-1. Safetyinstructionsforserviceengineers...............................................1
2. FeaturesandSpecications ...........................................................5
2-1. Features........................................................................5
2-2. Specications ....................................................................6
2-3. Detailfeatures ...................................................................7
2-4. Optionsspecications .............................................................8
3. DisassemblyandReassembly .........................................................9
3-1. Toolsfordisassemblyandreassembly ................................................9
3-2. Standarddisassemblydrawings ....................................................10
4. Troubleshooting....................................................................19
4-1. Errormodes....................................................................19
4-2. Correctiveactionsforeacherrorcode................................................21
4-3. Theinstallationforleveling.........................................................26
5. PCBdiagram.......................................................................27
5-1. MainPCB .....................................................................27
5-2. Detailed Manual for Connector and Relay Terminal Part - Main PCB . . . . . . . . . . . . . . . . . . . . . . . . 28
5-3. SubPCB ......................................................................29
5-4. Detailed Manual for Connector Terminal Part - Sub PCB (WA456*) . . . . . . . . . . . . . . . . . . . . . . . . .30
5-5. Detailed Manual for Connector Terminal Part - Sub PCB (WA422*/WA400*) . . . . . . . . . . . . . . . . . . 31
6. Wiringdiagram.....................................................................32
6-1. Wiringdiagram .................................................................32
7. Schematicdiagram .................................................................33
7-1. Maincontrol....................................................................33
7-2. Subcontrol ....................................................................34
8. Reference .........................................................................35
8-1. ModelNumberNamingRules ......................................................35
Hudson Washer.indb 2 2012-03-28 �� 9:45:45

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
Hudson Washer.indb 1 2012-03-28 �� 9:45:45

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.
4Ensure 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.
4This 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
Hudson Washer.indb 2 2012-03-28 �� 9:45:45

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.
4Do not lay it down on its front. This may result in the inside tub damaging parts.
CAUTION
CAUTION
Hudson Washer.indb 3 2012-03-28 �� 9:45:46

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.
4Disconnect 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.
4Vibrations can shorten the lifetime of the product.
CAUTION
Hudson Washer.indb 4 2012-03-28 �� 9:45:46

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.
AquaJetTM
(WA456*)
• AquaJetTM washes heavy loads gently and more thoroughly than
conventional top loaders.
• Fasterdrumrotationandtheabsenceofanagitatorinsidethemachinehelp
circulatefoammoreevenlythroughoutallyourclothes,whilepowerfulwater
jets provide a thorough rinse..
Digital 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.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
(WA456*)
• Ifyouselectthisoption,thewatertemperatureissettoslightlylowerthan
during the normal wash course to save energy.
Pure Cycle™
(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
(WA456*)
• Samsung’sSmartCare,anautomaticerror-monitoringsystem,detectsand
diagnosesproblemsatanearlystageandprovidesquickandeasysolutions.
Hudson Washer.indb 5 2012-03-28 �� 9:45:46

6_FeaturesandSpecications
2-2. SPECIFICATIONS
TYPE TOP LOADING WASHER
DIMENSION
(Inches / cm)
A. Height 43.9″/111.4cm
B. Width 27.0″/68.6cm
C. Height with Door open 58.1″/147.5cm
D. Depth 29.3″/74.4cm
WATER PRESSURE 20~116psi(137~800kPa)
WEIGHT
WA456*:56kg(122.2lb)
WA422*:55kg(120.0lb)
WA400*:54kg(117.8lb)
CAPACITY
WA456* : 4.5cu.ft
WA422* : 4.2cu.ft
WA400* : 4.0cu.ft
POWER
CONSUMPTION
WASHING 120V 700W
SPIN 120V 400W
DRAIN 120V 80W
SPIN REVOLUTION WA456*:1,000rpm
WA422*/WA400* : 800rpm
C
B
A
D
Hudson Washer.indb 6 2012-03-28 �� 9:45:46

FeaturesandSpecications_7
2-3. DETAIL FEATURES
Grade WA456* WA422* WA400*
Image
Main Spec.
Capacity(DOE) 4.5 4.5 4.2 4.0
AquaJetTM Yes Yes - -
Diamond interior
drum Yes Yes Yes Yes
Pure CycleTM Yes Yes Yes Yes
Washing Cycles 11 11 9 9
VRT®Yes Yes Yes Yes
Pulsator material PP PP PP PP
Maxrpm 1,000 1,000 800 800
Motor DIM Motor DIM Motor DIM Motor DIM Motor
Design
Color UltraInox Neat White Neat White Neat White
Center display 18:88 18:88 18:88 18:88
JogDial SquallJrSame SquallJrSame SquallJrSame SquallJrSame
Main display LED LED LED LED
LED color Red Red Red Red
Door Lid TC Tempered Tinted
glass
Tempered Tinted
glass
Tempered Tinted
glass Opaque
Easy door Yes Yes Yes Yes
Frame VCM(UltraInox) PCM PCM PCM
Top Cover Steel(EGI) +
Painting
Steel(EGI) +
Painting
Steel(EGI) +
Painting
Steel(EGI) +
Painting
Energy
MEF(cf/kWh/cycle) 2.45 2.45 2.45 2.41
WF (gal/cycle/cf) 3.55 3.55 3.55 3.70
EnergyGuide
(kWh/year) 169 169 169 163
Hudson Washer.indb 7 2012-03-28 �� 9:45:50

8_FeaturesandSpecications
2-4. OPTIONS SPECIFICATIONS
Item Item Name Code No. Remark
HOSE-HANGER DC61-00224A Default
MANUAL-BOOK DC68-03133A 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.
Hudson Washer.indb 8 2012-03-28 �� 9:45:50

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
Hudson Washer.indb 9 2012-03-28 �� 9:45:50

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.
Hudson Washer.indb 10 2012-03-28 �� 9:45:51

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.
Hudson Washer.indb 11 2012-03-28 �� 9:45:51

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.
Hudson Washer.indb 12 2012-03-28 �� 9:45:52

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.
Hudson Washer.indb 13 2012-03-28 �� 9:45:53

14 _ Disassembly and Reassembly
Part Figure Description
Drain-Pump
1. Separatethebackcover
2. Separate 2 clamps.
3. Remove the 3 screws.
4. 5screwsareseparatedby‘+’shape
hand driver.
Thermistor 1. Remove the 2 screws.
Hudson Washer.indb 14 2012-03-28 �� 9:45:53

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8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.
Hudson Washer.indb 15 2012-03-28 �� 9:45:54

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 2
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.
Hudson Washer.indb 16 2012-03-28 �� 9:45:54

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.
Hudson Washer.indb 17 2012-03-28 �� 9:45:55

18 _ Disassembly and Reassembly
Part Figure Description
Clutch Assembly
(continued)
13. Separate the clip.
14.Removethe6screwsxingtheclutch
assembly and then separate the clutch
assembly.
Reassembly procedures are in the reverse order of dissasembly procedures.
Hudson Washer.indb 18 2012-03-28 �� 9:45:55