LG WD14750SD Bedienungsanleitung

WASHING MACHINE

SERVICE MANUAL

READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES

CORRECTLY BEFORE OFFERING SERVICE.

MODEL : WD14750SD / WD14756SD

CAUTION

MAR. 2007 PRINTED IN KOREA

P/No.: MFL30138919

CONTENTS

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

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

3. PARTS IDENTIFICATION ............................................................................................................ 6

4. INSTALLATION ............................................................................................................................. 7

5. OPERATION ................................................................................................................................10

6. WIRING DIAGRAM / PROGRAM CHART...................................................................................12

7. TROUBLE SHOOTING................................................................................................................13

7-1.BEFORE SVC CHECKING ..................................................................................................13

7-2.QC TEST MODE..................................................................................................................13

7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY.........................................................13

7-4.

HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR AT OPERATING CONDITION

......13

7-5.ERROR DISPLAY ................................................................................................................14

8. ERROR DIAGNOSIS AND CHECK LIST ....................................................................................16

8-1. DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION ...........................................16

8-2. FAULT DIAGNOSIS AND TROUBLE SHOOTING .............................................................19

9. DISASSEMBLY INSTRUCTIONS ...............................................................................................25

10. EXPLODED VIEW AND PARTS LIST .......................................................................................33

10-1. THE EXPLODED VIEW OF CABINET ASSEMBLY .........................................................33

10-2. THE EXPLODED VIEW OF CONTROL PANEL AND DISPENSER ASSEMBLY ............34

10-3. THE EXPLODED VIEW OF DRUM AND TUB ASSEMBLY .............................................35

ITEM

WER SUPPLY 220V-240V~, 50Hz

PRODUCT WEIGHT 56kg

WASHING 140W

SPIN 440W

DRAIN MOTOR 40W

STEAM HEATER 1100W

WASH HEATER 2000W

WASH 50rpm

SPIN No Spin/400/600/800/1000/1200/1400

OPERATION WATER PRESSURE 0.5-8.0kgf/cm

(50-800kPa)

CONTROL TYPE Electronic

WASH CAPACITY 7.5kg

DIMENSION

600mm(W)x590mm(D)x850mm(H)

WASH PROGRAM

Cotton, Synthetic, Delicate, Hand Wash/Wool, Duvet, Quick30, Rinse+Spin, Refresh, Baby Care

RINSE Normal, Rinse+, Rinse++, Rinse+Hold

DOOR SWITCH TYPE Bi-Metal type

WATER LEVEL 10 steps (by sensor)

RESERVATION From 3 hours to 19 hours

SENSING OF THE LAUNDRY AMOUNT Adapted

FUZZY LOGIC Adapted

DISPLAY OF THE REMAINING TIME Adapted

ERROR DIAGNOSIS 10 items

POWER AUTO OFF Adapted

CHILD LOCK Adapted

AUTO RESTART Adapted

TIME SAVE Adapted

1. SPECIFICATION

ELECTRICITY

CONSUMPTION

REVOLUTION

SPEED

WD14750SD / WD14756SD

2. FEATURES & TECHNICAL EXPLANATION

2-1.FEATURES

Direct Drive System

The advanced Brushless DC motor directly drives the drum without

belt and pulley.

Water Circulation

Spray detergent solution and water over the load over continu.

Clothes are soaked more quickly and thoroughly during wash cycle.

The detergent suds can be removed more easily by the water shower during

rinse cycle. The water circulation system uses both water and detergent more

efficiently.

Built-in Heater

Internal heater automatically heats the water to the best temperature on selected

cycles.

Child Lock

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

during operation.

More economical by Intelligent Wash System

Intelligent Wash System detects the amount of load and water temperature, and

then determines the optimum water level and washing time to minimize energy

and water consumption.

Low noise speed control system

By sensing the amount of load and balance, it evenly distributes load to minimize

the spinning noise level.

Safety device (Aqua lock)

Aqua lock System is designed for detecting water leak during operation to

prevent water from spilling on the floor.

Steam Washing and Refresh

Steam Washing features upgraded washing performance with low energy

consumption. Refresh cycle reduces wrinkles from dry clothes.

Automatic Wash Load Detection

Automatically detects the load and optimizes the washing time.

추가선택, 예약,

2-2.DETERMINE WASHING TIME BY FUZZY LOGIC

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

selected washing temperature and laundry amount.

2-3.WATER LEVEL CONTROL

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

●Water supply is stopped when the water level to the preset level, then washing program proceeds.

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

2-4.THE DOOR CAN NOT BE OPENED

󳢯While program is operating.

󳢯While Door Lock light turns on.

FUZZY

LOGIC

laundry

amount

selected

washing

temperature

water

temperature

washing time

rinsing time

spin rhythm, time

the best

washing

performance

SENSING

PROCESSING

DETERMINATION

EFFECT

Inlet hose(1EA) Option : Hot/Cold(2EA) Spanner

3. PARTS IDENTIFICATION

■ACCESSORIES

Drawer

Cold Water Inlet

❋ Cold Only ❋ Hot/Cold

Cold Water Inlet

Hot Water Inlet

󱀊Before servicing ask the customer what the trouble is.

󱀋Check the adjustment(power supply is 220-240V~, remove the transit bolts....)

󱀌Check the troubles referring to the trouble shooting.

󱀍Decide service steps referring to disassembly instructions.

󱀎And then, service and repair.

󱀏After servicing, operate the appliance to see whether it works O·K or NOT.

■STANDARD INSTALLATION

The appliance should be installed as follows.

REMOVE THE TRANSIT INSTALL THE APPLIANCE ADJUST THE

BOLTS ON FLAT AND FIRM SURFACE HORIZONTAL

󳢯Remove the transit bolts 󳢯Turn the leveling feet to

(4EA:①)with supplied spanner. set the appliance horizontally.

󳢯Keep the transit bolts and

spanner for future use.

󳢯Insert the provided 4 caps

into the hole

󳢯The appliance goes up by

rotating the feet clockwise.

󳢯The appliance come down by

rotating the feet counter

clockwise.

4. INSTALLATION

■HOW TO CONNECT INLET HOSE

󳢯Check that the rubber packing is inside of the

valve connector.

󳢯Connect the inlet hose firmly to prevent leak.

■CONNECT DRAIN HOSE

■CONNECT POWER PLUG

·Make sure that the hose is not twisted.

※The drain hose should be placed under 100cm from the floor.

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

It may be the cause of a fire.

·Avoid submerging the end of the hose.

󳞊TEST OPERATION

MAXMAX

󳢯Connect the power plug to

the outlet. 󳢯In case of Coloreds program.

󳢯Connect the inlet hose.

Preparation Press the POWER button. Press

the

Start/Pause

for button.

washing.

·Check if the drum rotates ·Check if water is supplied

clockwise and counterclockwise.

through the detergent dispenser.

·Power off and then power on.

·Check if the door can be

opened after 3 minutes.

·Turn off Wash and Rinse after

pressing the Start/Pause button

and start the machine again.

·Check drain and spin.

·Press the Rinse+Medic Rinse

button simultaneously and the

present temperature will be

displayed.

·If SVC is needed during

check, remove

the remaining water by pulling

out the hose cap.

Check the water heating. Check automatic reverse Check the water supply.

turn.

Check drain and spin

Power off and open the

Water removal

door

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