LG STEAM WASHER WM0742H*A Bedienungsanleitung

WASHING MACHINE

SERVICE MANUAL

CAUTION

READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES

CORRECTLY BEFORE OFFERING SERVICE.

Website: http: //www.LGEservice.com

E-mail: http: //www.LGEservice.com/techsup.html

MODEL : WM0742H*A

SEP. 2007 PRINTED IN KOREA P/No.: MFL30599116

CONTENTS

1. SPECIFICATION ............................................................................................................................... 3

2. FEATURES & TECHNICAL EXPLANATION .................................................................................... 4

3. PARTS IDENTIFICATION ................................................................................................................. 7

4. INSTALLATION & TEST ................................................................................................................... 8

5. OPERATION ................................................................................................................................... 11

6. WIRING DIAGRAM/PROGRAM CHART ........................................................................................ 14

7. TROUBLE SHOOTING ................................................................................................................... 15

7-1. BEFORE PERFORMING SERVICE ........................................................................................ 15

7-2. QC TEST MODE ...................................................................................................................... 15

7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY ........................................................... 15

7-4. ERROR DISPLAY ..................................................................................................................... 16

8. ERROR DIAGNOSIS AND CHECK LIST ....................................................................................... 18

8-1. DIAGNOSIS AND SOLUTION FOR ABNORMAL OPERATION ............................................. 18

8-2. FAULT DIAGNOSIS AND TROUBLESHOOTING ................................................................... 21

9. DISASSEMBLY INSTRUCTIONS ................................................................................................... 29

10. EXPLODED VIEW .......................................................................................................................... 37

10-1. CABINET & CONTROL PANEL ASSEMBLY ......................................................................... 37

10-2. DRUM & TUB ASSEMBLY .................................................................................................... 38

10-3. DISPENSER ASSEMBLY ...................................................................................................... 39

1. SPECIFICATION

ITEM

COLOR

WM0742H*A

POWER SUPPLY

PRODUCT WEIGHT

Cycles

WASH/RINSE TEMPERATURES

SPIN SPEEDS

OPTIONS

WATER CIRCULATION

OPERATION WATER PRESSURE

CONTROL TYPE

WASH CAPACITY [cu.ft]

DIMENSIONS

DELAY WASH

DOOR SWITCH TYPE

WATER LEVEL

LAUNDRY LOAD SENSING

ERROR DIAGNOSIS

AUTO POWER OFF

CHILD LOCK

RLM ENABLE

STEAM

ELECTRICITY

CONSUMPTION

WASHING

DRAIN MOTOR

WASH HEATER

REVOLUTION

SPEED

WASH

SPIN

46 rpm

0-1200 rpm

PRE-WASH, STAIN CYCLE, STEAM, EXTRA RINSE,

RINSE+SPIN, DELAY WASH

Incorporated

14.5-116 psi (100-800 kPa)

Electronic

3.63 (4.2 IEC)

27" (W) X 29 3/4" (D) X 3811/16 (H), 5013/16" (D, door open)

up to 19 hours

PTC + Solenoid

10 steps (by sensor)

Incorporated

280 W

80 W

1000 W

AC 120 V, 60 Hz

192 lbs (87kg)

W:BLUE WHITE, G:PEARLY GRAY

2. FEATURES & TECHNICAL EXPLANATION

2-1. FEATURES

Ultra Capacity

The Larger drum enables not just higher head drop and stronger centrifugal force, but

also less tangling and wrinkling of the laundry. Heavier loads, such as king size

comforters, blankets, and curtains, can be washed.

Direct Drive System

The advanced Brushless DC motor directly drives the drum without belt and pulley.

Tilted Drum and Extra Large Door Opening

Tilted drum and extra large opening make it possible to load and unload clothing more

easily.

Steam Washing and SteamFreshTM

Steam Washing features upgraded washing performance with low energy and water

consumption. SteamFreshTM cycle removes wrinkles from dry clothes.

RollerJets

Washing ball enhances the wash performance and reduces damage to the clothing.

The jets spray and help tumble clothes to enhance washing performance while

maintaining fabric care.

Automatic Wash Load Detection

Automatically detects the load and optimizes the washing time.

Built-in Heater

Internal heater helps to maintain water temperature at its optimum level for selected

cycles.

Child Lock

The Child lock prevents children from pressing any button to change the settings during

operation.

2-2. NEURO FUZZY WASHING TIME OPTIMIZATION

To get the best washing performance, optimal time is determined by the water temperature,

the selected washing temperature, and the size of the load.

2-3. WATER LEVEL CONTROL

This model incorporates a pressure sensor which can sense the water level in the tub.

The water supply is stopped when the water level reaches the preset level, the washing program

then proceeds.

Spinning does not proceed until the water in the tub drains to a certain level.

water

temperature

washing time

rinsing time

the best

washing

performance

spin rhythm, time

load

size

NEURO-

FUZZY

selected

washing

temperature

SENSING EFFECT

PROCESSING

DETERMINATION

2-4. DOOR CONTROL

The door can be opened by pulling the door handle whenever washer is not in operation.

When the cycle is completed, the DOOR LOCKED light will turn off.

If a power failure has occurred while in operation, the door will unlock after 5 minutes.

Clicking sounds can be heard when the door is locked/unlocked.

2-5. THE DOOR CAN NOT BE OPENED

While program is operating.

When a power failed and power plug is taken out in operation.

While Door Lock lights turn on.

White the motor is in the process of intertial rotating, through the operation is paused.

2-6. DOOR LOCKED LAMP LIGHTS

When the frequency of water level is lower than 22.9 kHz.

(It can be canceled when the frequency is more than 23.8 kHz).

When the temperature inside the tub is higher than 45 °C and water level is not 25.5 kHz.

(It can be canceled when the water level is 25.5 kHz or the temperature inside the tub is lower

than 40 °C).

2-7. CHILD LOCK

Use this option to prevent unwanted use of the washer. Press and hold PRE WASH button for 3

seconds to lock/unlock control.

When Child lock is set, CHILD LOCK lights and all buttons are disabled You can lock the washer

while it is operating.

2-8. WATER CIRCULATION

When Washing and Rinsing function of shower at the upper part of Gasket.

When Washing, it continuously operates for 3 minutes and intermittently.

When Rinsing, it continuously operates after completion of water supply.

2-9. STEAM

For tough stained clothes, underwear, or baby clothes.

Steam Wash is available with Sanitary, Bulk/Large, Perm. Press, Cotton/Normal, and baby Wear cycles.

This option features upgraded washing performance with low energy and water consumption.

Do not load delicates such as wool, silk, and easily discolored clothes.

2-10. DRUM LIGHT

The Drum Light comes on when the Power button is pressed. It goes off when the door is closed

and the washer starts operation.

The Drum Light remains off when the door is locked.

The Drum Light can be turned on while the washer is in operation by pressing the Rinse+Spin

button for 3 seconds. The light will turn off automatically 4 minutes later.

The Drum Light comes on when the washing cycle is finished and goes off 4 minutes later.

3. PARTS IDENTIFICATION

Control Panel

Drum

Lower cover Cap

Drain Pump Filter

Drain Plug

Shipping Blots

Power Plug

Adjustable Feet

If the supply cord is

damaged, it must be

replaced by the

manufacturer or its

authorized service

technician in order to

avoid a hazard.

Included Accessories

Hot and Cold

Water Hoses

Caps (4)

(for covering

shipping bolt holes)

Wrench

(for removing

shipping bolts and

adjusting leveling feet)

Tie Strap

(for securing

drain hose)

Elbow Bracket

(for securing

drain hose)

Drain Hose

Door

Dispenser

Back of Washer

Air Vent for Safety

Cold Water Inlet

Hot Water Inlet

4. INSTALLATION & TEST

Before servicing, ask the customer what the trouble is.

Check the setup (power supply is 120 V AC, remove the transit bolts....).

Check with the troubleshooting guide.

Plan your service method by referring to the disassembly instructions.

Service the unit.

After servicing, operate the appliance to see whether it functions correctly.

STANDARD INSTALLATION

The appliance should be installed as follows:

Remove the 4 shipping bolts

with the supplied wrench.

Do first lower side to remove

easily.

Keep the shipping bolts and

spanner for future use.

Insert the 4 caps (provided)

into the hole.

Turn clockwise to raise;

counterclockwise to lower.

Turn the leveling feet to

adjust the appliance.

Lower

Higher

REMOVE THE SHIPPING

BOLTS

INSTALL THE APPLIANCE

ON A FLAT AND FIRM SURFACE

ADJUST THE

LEVELING

Verify that the rubber washer is inside of the

valve connector.

Tighten the inlet hose securely to prevent leaks.

HOW TO CONNECT THE INLET HOSE

CONNECT DRAIN HOSE

·Make sure that the hose is not twisted.

CONNECT POWER PLUG

The end of the drain hose should be placed less than 96 from the floor.

·Avoid submerging the end of the hose.

·Connect the power plug to the wall outlet. ·Avoid connecting several electric devices, as

doing so may cause a fire.

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