LG Wm2487h M Service Manual

							100
WASHING 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
! 
						

							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
ITEMWM2487H*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 MOTOR80 W
WASH HEATER 1000 W WASH 46  rpmSPIN 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 29 3
/4 ” (D) X 38 11
/16 ” (H), 50 13
/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 centrifug\
al 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. 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 wa\
ter 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 leve\
l in the tub.
The water supply is stopped when the water level reaches the preset leve\
l, 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 sizeselectedwashing
temperature
water
temperature
washing time
rinsing time
spin rhythm, time the best
washing
performance
SENSINGPROCESSINGDETERMINATIONEFFECT 
						

							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 ope\
ration 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 le\
vel 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 tolock/unlock control. 
When Child lock is set, CHILD LOCK lights and all buttons are disabled e\
xcept the Power       button. You canlock 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 wa\
ter 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 thewasher 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 pres\
sing the Rinse+Spin button for 3seconds. 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 corre\
ctly.
STANDARD INSTALLATION
The appliance should be installed as follows:
REMOVE THE SHIPPING  INSTALL THE  APPLIANCEADJUST THE 
BOLTS
ON A FLAT AND FIRM SURFACE LEVELING
Remove the 4 shipping boltsTurn 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
Verify that the rubber washer is inside of thevalve 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
SOFTENERMAX
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 START/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. Pressthe 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.
START/PAUSE button.