LG WD-90286BD, WM1814CW, WM1812CW Service Manual

100

W ASHING MACHINE

SERVICE MANUAL

READ THIS MANUAL CAREFULLY TO DIAGNOSE PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.

MODEL: WM1812CW/WM1814CW/WD-90286BD

CAUTION

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

101

APR. 2004 PRINTED IN KOREA

P/No.:3828ER3027F

CONTENTS

1. SPECIFICATIONS.........................................................................................................................3

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

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

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

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

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

7. TROUBLESHOOTING.................................................................................................................16

7-1. BEFORE PERFORMING SERVICE...................................................................................16

7-2. QC TEST MODE.................................................................................................................16

7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY......................................................16

7-4. ERROR DISPLAY ...............................................................................................................17

8. ERROR DIAGNOSIS AND CHECK LIST....................................................................................19

8-1. DIAGNOSIS AND SOLUTION FOR ABNORMAL OPERATION ........................................19

8-2. FAULT DIAGNOSIS AND TROUBLESHOOTING ..............................................................22

9. DISASSEMBLY INSTRUCTIONS ...............................................................................................31

10. EXPLODED VIEW.....................................................................................................................40

10-1. CABINET & CONTROL PANEL ASSEMBLY....................................................................40

10-2. DRUM & TUB ASSEMBLY................................................................................................41

10-3. DISPENSER ASSEMBLY .................................................................................................42

3 4 7

8 11 12 13 13 13 13 14 16 16 19 26 34 34 35 36

1. SPECIFICATIONS

ITEM WM1812CW/WM1814CW WD-90286BD

COLOR BLUE WHITE TITANIUM

POWER SUPPLY AC 120 V, 60 Hz AC 127V, 60Hz

PRODUCT WEIGHT 173 lbs. (78.5 kg)

WASHING 280 W

DRAIN MOTOR

80 W

WASH HEATER

–

WASH 46 rpm

SPIN

0-900 rpm

CYCLES 5

WASH/RINSE TEMPERATURES 5

SPIN SPEEDS 5

OPTIONS

Prewash, Quick Cycle, Extra Rinse, Rinse+Spin, Delay Wash

CUSTOM PROGRAM –

WATER CIRCULATION –

OPERATIONAL WATER PRESSURE 4.5

116 psi (800 kPa)

CONTROL TYPE Electronic

WASH CAPACITY 2.96 cu. ft (3.42 cu. ft. IEC)

DIMENSIONS 27” (W) X 301/32” (D) X 3811/16” (H), 5013/16” (D, door open) DELAY WASH up to 9 hours

DOOR SWITCH TYPE PTC + Solenoid

WATER LEVEL 9 steps (by sensor)

LAUNDRY LOAD SENSING Incorporated

ERROR DIAGNOSIS Incorporated

AUTO POWER OFF Incorporated

CHILD LOCK Incorporated

ELECTRIC POWER CONSUMTION

REVOLUTION SPEED

2. FEATURES & TECHNICAL EXPLANATION

2-1. FEATURES

■

Direct Drive System

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

■

Tilted Drum and Large Door Opening

Tilted drum and large opening make it possible to load

and unload clothing more easily.

■

Time-Released Dispenser

Detergent, fabric softener and bleach are dispensed separately at the right time during wash cycle.

■

Automatic Wash Load Detection

Automatically detects the load and optimizes the washing time.

■

Child Lock

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

추가선택, 예약,

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.

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.

NEURO-

FUZZY

load

size

selected washing

temperature

water

temperature

washing time

rinsing time

spin rhythm, time

the best washing performance

SENSING

PROCESSING

DETERMINA TION

EFFECT

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 OPTION button for 3 seconds to lock/unlock control.

● When Child lock is set, “ ” blinks and all buttons are disabled except the Power button. You can lock the washer while it is operating.

3. PARTS IDENTIFICATION

■ ACCESSORIES

울

란제리란제리

󱀊 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 SHIPPING INST ALL THE APPLIANCE ADJUST THE

BOL TS

ON A FLA T AND FIRM SURFACE

LEVELING

󳢯 Remove the 4 shipping bolts 󳢯 Turn the leveling feet to adjust

with the supplied wrench. the appliance.

※ 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.

4. INSTALLATION & TEST

■ HOW TO CONNECT THE INLET HOSE

󳢯 V erify that the rubber washer is inside of the

valve connector.

󳢯 Tighten the inlet hose securely to prevent leaks.

■ CONNECT THE DRAIN HOSE

■ CONNECT POWER PLUG

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

· Connect the power plug to the wall outlet.

· Avoid connecting several electric devices, as

doing so may cause a fire.

· Make sure that the hose is not twisted.

· Avoid submerging the end of the hose.

SOFTENER

MAX

󳞊 TEST OPERATION

󳢯Connect the power plug to

the outlet.

󳢯Connect the inlet hoses.

󳢯Power off and the power on. 󳢯Press the SPIN SPEED button.

󳢯

Press the ST ART/PAUSE button.

󳢯Check the spin and drain

functions.

󳢯

Listen for a click to determine if the door is unlocking.

󳢯Listen for a click to determine if

the door has locked.

󳢯If SVC is needed during check,

remove the remaining water by pulling out the hose cap.

Preparation for Press the POWER button. Press

the

Start/Pause

washing. button.

󳢯Press the W ASH/RINSE button 󳢯Check if the drum rotates 󳢯Check if water is supplied

and the present temperature will

clockwise and counterclockwise.

through the detergent dispenser.

be displayed.

Check the water Check the automatic Check the water supply . temperature. reverse rotation.

Check the drain and spin

Press the

Water removal

functions.

ST AR T/PAUSE button.

5. OPERATION

EST. TIME REMAINING

• This display shows: a) the estimated time remaining in the cycle when operation. b) an error code when an error has been detected.

CYCLE SELECTOR

• Press the Cycle selector to select cycle designed for different types of fabric and soil levels.

START/PAUSE button

• Use this button to start/stop the washer.

WASH,RINSE temp., SPIN SPEED, SOIL LEVEL button

• Select a water temperature based on the type of load you are washing.

• To change the spin speed, press the Spin Speed button repeatedly to cycle through available options.

• To change the soil level, press the Soil Level button repeatedly until the desired setting is on.

OPTION button

• Prewash : Use this option for loads that need pretreatment. It adds 16 minutes prewash and drain.

POWER button

• Use this button to turn power On/Off.

• Quick Cycle : The Quick offers a quick cycle time.

• Rinse+Spin : Use this option to rinse and then spin.

BEEPER, DELAY WASH, EXTRA RINSE button

• Use the Beeper button to turn the Beeper On/Off.

• Delay Wash allows the start of any cycle to be delayed for 1~9 hours.

• Extra Rinse provides an additional rinse.

DOOR LOCKED lamp

• Light whenever the door of the washer is locked.

• The door can be unlocked by pressing the Start/Pause button to stop the washer.

+ 25 hidden pages