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Website:http://biz.lgservice.com
WASHING MACHINE
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL : WM2701H*
JAN. 2009 PRINTED IN KOREA P/No.: MFL30599132
CONTENTS
1. SPECIFICATIONS ............................................................................................................... 3
2. FEATURES & TECHNICAL EXPLANATION ....................................................................... 4
3. PARTS IDENTIFICATION ................................................................................................... 7
4. INSTALLATION AND TEST ................................................................................................ 8
5. OPERATION ...................................................................................................................... 11
5-1. CONTROL PANEL FEATURES ................................................................................. 11
5-2. CYCLE GUIDE ........................................................................................................... 14
5-3. SPECIAL FUNCTIONS .............................................................................................. 16
5-4. EXPLANATION OF EACH PROCESS ....................................................................... 17
6. PROGRAM CHART .......................................................................................................... 19
7. TEST MODE ..................................................................................................................... 20
7-1. SAFETY CAUTION .................................................................................................... 20
7-2. LOAD TEST MODE ................................................................................................... 20
7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY ............................................. 20
8. TROUBLESHOOTING ...................................................................................................... 21
8-1. SAFETY CAUTION .................................................................................................... 21
8-2. ERROR MODE SUMMARY ...................................................................................... 21
8-3. TROUBLESHOOTING SUMMARY ..........................................................................23
8-4. TROUBLESHOOTING WITH ERROR ....................................................................... 24
8-5. TROUBLESHOOTING ELSE ..................................................................................... 31
9. COMPONENT TESTING INFORMATION ........................................................................ 37
9-1. FILTER ASSEMBLY (LINE FILTER) .......................................................................... 37
9-2. DOOR LOOK SWITCH ASSEMBLY .......................................................................... 38
9-3. STATOR ASSEMBLY ................................................................................................. 40
9-4. PUMP MOTOR ASSEMBLY ...................................................................................... 43
9-5. INLET VALVE ASSEMBLY ......................................................................................... 44
9-6. HEATER ASSEMBLY ................................................................................................. 45
9-7. THERMISTOR ASSEMBLY ....................................................................................... 46
9-8. VIBRATION SENSOR ASSEMBLY ............................................................................ 49
10. DISASSEMBLY INSTRUCTIONS .................................................................................... 50
11.EXPLODED VIEW ............................................................................................................ 59
11-1. CABINET AND CONTROL PANEL ASSEMBLY ...................................................... 59
11-2. DRUM AND TUB ASSEMBLY .................................................................................. 60
11-3. DISPENSER ASSEMBLY ........................................................................................ 61
2
1. SPECIFICATIONS
IT E M W M2701H*
COLOR W:BLUE WHITE, V:Stainless VCM
POWER SUPPLY AC 120 V, 60 Hz
PRODUCT WEIGHT 192 lbs (87kg)
WASHING 280 W
ELECTRIC POWER
DRAIN MOTOR 80 W
CONSUMPTION
WASH HEATER 1000 W
REVOLUTION WASH 46 rpm
SPEED SPIN 0-1200 rpm
CYCLES 12
WASH/RINSE TEMPERATURES 5
SPIN SPEEDS 5
OPTIONS Prewash, Rinse+Spin, Extra Rinse, Water Plus, Stain Cycle,
Wash/Rinse Optimizer, Tub Clean
OPERATIONAL WATER PRESSURE 14.5-116 psi (100-800 kPa)
CONTROL TYPE Electronic
WASH CAPACITY [cu.ft ] 3.87 (4.5 IEC)
DIMENSIONS 27"(W) X 29 3/4"(D) X 3811/16"(H), 5013/16" (D, door open)
DELAY WASH up to 19 hours
DOOR SWITCH TYPE PTC + Solenoid
Door Frame Chrome
WATER LEVEL 10 steps (by sensor)
LAUNDRY LOAD SENSING Incorporated
ERROR DIAGNOSIS Incorporated
AUTO POWER OFF Incorporated
CHILD LOCK Incorporated
DRY Washer Only
3
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.
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.
4
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.
water
temperature
washing time
the best
selected
washing NEURO- rinsing time washing
temperature FUZZY performance
spin rhythm, time
load
size
SENSING PROCESSING DETERMINATION EFFECT
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.
5
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. 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 controls of the washer while washing.
6
3. PARTS IDENTIFICATION
ACCESSORIES
Tie strap (Option)
Hot/Cold (1 each) Wrench to secure drain hose to standpipe,
Hose inlet hose, or laundry tub
Non-skid pads Caps(4) Elbow Bracket
(for covering shipping (for securing drain hose)
bolt holes)
7
4. INSTALLATION & TEST
1 Before servicing, ask the customer what the trouble is.
2 Check the setup (power supply is 120V, remove the transit bolts, level the washer...)
3 Check with the troubleshooting guide.
4 Plan your service method by referring to the disassembly instructions.
5 Service the unit.
6 After servicing, operate the appliance to see whether it functions correctly.
STANDARD INSTALLATION
The appliance should be installed as follows:
REMOVE THE SHIPPING INSTALL THE APPLIANCE ADJUST THE
6
BOLTS ON A FLAT AND FIRM SURFACE LEVELING
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