LG WM2487HM series Service Manual
100
W ASHING MACHINE
SERVICE MANUAL
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL: WM2487H*M
CAUTION
Website: http: //www.LGEservice.com
E-mail: http: //www.LGEservice.com/techsup.html
!
101
JUN. 2006 PRINTED IN KOREA
P/No.: MFL31245501
2
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.................................................................................................................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.....................................................................................................................40
10-1. CABINET & CONTROL PANEL ASSEMBLY....................................................................40
10-2. DRUM & TUB ASSEMBLY................................................................................................41
10-3. DISPENSER ASSEMBLY .................................................................................................42
3
1. SPECIFICATIONS
ITEM WM2487H*M
COLOR W:BLUE WHITE, N:NAVY BLUE, R:CANDY APPLE RED
POWER SUPPLY AC 120 V, 60 Hz
PRODUCT WEIGHT 192 lbs (87kg)
WASHING 280 W
DRAIN MOTOR
80 W
WASH HEATER 1000 W
WASH 46 rpm
SPIN
0-1200 rpm
CYCLES 9
WASH/RINSE TEMPERATURES 5
SPIN SPEEDS 5
OPTIONS
Prewash, Rinse+Spin, Extra Rinse, Water Plus, Stain Cycle
WATER CIRCULATION Incorporated
OPERATIONAL WATER PRESSURE 14.5
-
116 psi (100-800 kPa)
CONTROL TYPE Electronic
WASH CAPACITY [cu.ft] 3.47 (4.0 IEC)
DIMENSIONS
27” (W) X 293/4” (D) X 3811/16” (H), 5013/16” (D, door open)
DELAY WASH up to 19 hours
DOOR SWITCH TYPE PTC + Solenoid
WATER LEVEL 10 steps (by sensor)
LAUNDRY LOAD SENSING Incorporated
ERROR DIAGNOSIS Incorporated
AUTO POWER OFF Incorporated
CHILD LOCK Incorporated
RLM ENABLE Incorporated
STEAM Incorporated
ELECTRIC POWER
CONSUMTION
REVOLUTION SPEED
4
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 SteamFresh
TM
Steam Washing features upgraded washing performance with low energy and water
consumption. SteamFreshTMcycle 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.
■
Using the RLM (Remote Laundry Monitor)
The RLM monitors status of your washer and/or dryer. You can plug the display unit
into any power outlet in your home.
The RLM Display Unit can be purchased separately for this washer.
추가선택, 예약,
추가선택, 예약,
5
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
6
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 except the Power button. 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.
7
3. PARTS IDENTIFICATION
■ ACCESSORIES
& Steam Nozzle
Drum Light
Door Seal
Safety Cover (PLC Modem)
8
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
9
■ 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.
10
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 WASH/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 heating Check the automatic Check the water supply .
function. reverse rotation.
Check the drain and spin
Press the
Water removal
functions.
ST AR T/PAUSE button.
11
5. OPERATION
■ WM2487H*M
12
• Use this button to turn the power
On/Off.
• Rotate the Cycle selector knob to select the cycle designed for
different types of fabric and soil levels.
• Use this button to Start/
Stop the washer.
• It shows elapsed time of the cycle the washer is
operating.
Power Button Status Indicator
Start/Pause
Cycle Selector Knob
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