Samsung WA48H7400AP User manual

WASHING MACHINE (TOP-LOADING) CONTENTS

SERVICEManual

WASHING MACHINE

TOP-LOADING TYPE

Basic Name : WA48H7400AP

(WA-7000HA PJT)

Basic Code : WA45H7000AP/A2

Model Name : WA50M7450AP

WA50M7450AW

(WA-7400M PJT)

Model Code : WA50M7450AP/A4

WA50M7450AW/A4

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.......................................................................28

5-1. Main PCB .....................................................................28

5-2. Detailed Manual for Connector and Relay Terminal Part - Main PCB ........................29

5-3. Sub PCB ......................................................................30

5-4. Detailed Manual for Connector Terminal Part - Sub PCB .................................31

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.

4Failing 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 PBApower terminals before starting the service.

4Failing 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.

4Perform 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.)

4Failing 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.

4This 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

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

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e󰀨ective,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e󰀨ective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

Smart Care • Samsung’sSmartCare,anautomaticerror-monitoringsystem,detectsand

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

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 64kg (141.1 lb)

CAPACITY 5.0cu.ft

POWER

CONSUMPTION

WASHING 120V 700W

SPIN 120V 400W

DRAIN 120V 80W

SPIN REVOLUTION 800rpm

FeaturesandSpecications_7

2-3. DETAIL FEATURES

Grade WA50M7450A*/A4 WA48H7400AP/A2

Image

Main Spec.

Capacity(DOE) 5.0 4.8

AquaJetTM No 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) 800 1,100

Mist Shower Yes Yes

Motor DD DD

Design

Color Inox/Neat White Neat White

Main display 18:88 18:88

JogDial Chrome Chrome

LED color Ice-blue Ice-blue

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) 2.06 2.66

WF (gal/cycle/cf) 4.30 3.70

EnergyGuide

(kWh/year) 160 165

8_FeaturesandSpecications

2-4. OPTIONS SPECIFICATIONS

Item Item Name Code No. Remark

HANGER-HOSE DC61-00224A Default

USER MANUAL DC68-03776E Default

CABLE TIE 6501-000121 Default

ASSY CAP V.W DC97-18313A Default

Note

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

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