LG WM3997H*A Manuel utilisateur

WASHING MACHINE

SERVICE MANUAL

CAUTION

READ THIS MANUAL CAREFULLY TO DIAGNOSE

PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.

Website:http://biz.lgservice.com

MODEL :WM3997H*A

MFL67307985 :. oN/P

JULY 2012 PRINTED IN KOREA

[

CONTENTS

WARNING:

Wash hands after handling

WM3997H*A

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

Steam washing features upgraded washing performance with low energy and water

consumption.

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

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.

2-4. DOOR CONTROL

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 inertial 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 STAIN CARE button for 3

seconds to lock/unlock control.

When child lock is set, CHILD LOCK lights and all buttons are disabled except the POWER

button. You can lock the controls of the washer while washing.

CHILD LOCK lasts after the end of cycle. If you want to deactivate this function,

Press and hold the STAIN CARE button for 3 seconds.

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, sick room linens, 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.

3. PARTS IDENTIFICATION

Accessories

Before servicing, ask the customer what the trouble is.

When installing or repairing the washer, put on long gloves and safety glasses.

Check the setup (power supply is 120 V

AC, remove the transit bolts, level the washer, etc.)

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.

Remove the lower boits fist.

It is easier that way.

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

4. INSTALLATION & TEST

Keeping

Verify that the rubber washer is inside of the

valve connector.

Tighten the inlet hose securely to prevent leaks.

Install the inlet hose to correct temperature

water tap.

Otherwise, it cause drips on the drawer panel

handle and drawer panel.

HOW TO CONNECT THE INLET HOSE

CONNECT THE 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.

Hot Cold

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