LG WM3885HCA User manual

WASHING MACHINE
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL: WM3885H*CA / WM3875H*CA / LSWF3885HVS
Website : http://biz.lgservice.com

69
OCT. 2009 PRINTED IN KOREA P/No.: MFL30599154

4
CONTENTS
1. Specifications .................................................................................................................................. 5
2. Features and Technical Explanation ............................................................................................ 6-8
3. Parts Identification ........................................................................................................................... 9
4. Installation and Test ................................................................................................................. 10-12
5. Operation ................................................................................................................................. 13-19
5-1. Control Panel Features ..................................................................................................... 13-15
5-2. Cycle Guide ........................................................................................................................... 16
5-3. Special Functions ................................................................................................................... 17
5-4. Explanation of Each Process ............................................................................................ 18-19
6. Wiring Diagram / Program Chart .............................................................................................. 20-21
7. Test Mode ...................................................................................................................................... 22
7-1. Safety Caution ....................................................................................................................... 22
7-2. Load Test Mode ..................................................................................................................... 22
7-3. How To Read the Display in Load Test Mode ........................................................................ 23
7-4. How To Check the Water Level Frequency and Vibration Sensor Error ................................ 23
8. Troubleshooting ....................................................................................................................... 24-39
8-1. Safety Caution ....................................................................................................................... 24
8-2. Error Mode Summary ....................................................................................................... 24-25
8-3. Troubleshooting Summary ..................................................................................................... 26
8-4. Troubleshooting With Error ............................................................................................... 27-33
8-5. Troubleshooting Else ........................................................................................................ 34-39
9. Component Testing Information ............................................................................................... 40-54
9-1. Filter Assembly (Line Filter) ................................................................................................... 40
9-2. Door Look Switch Assembly ............................................................................................. 41-42
9-3. Stator Assembly ................................................................................................................ 43-45
9-4. Pump Motor Assembly ........................................................................................................... 46
9-5. Inlet Valve Assembly .............................................................................................................. 47
9-6. Heater Assembly .................................................................................................................... 48
9-7. Thermistor Assembly ........................................................................................................ 49-50
9-8. Steam Generator Assembly .............................................................................................. 51-52
9-9. Lamp ...................................................................................................................................... 53
9-10. Vibration sensor assembly ................................................................................................... 54
10. Disassembly Instructions ......................................................................................................... 55-65
11. Exploded View ......................................................................................................................... 66-68
11-1. Cabinet and Control Panel Assembly ................................................................................... 66
11-2. Drum and Tub Assembly ...................................................................................................... 67
11-3. Dispenser Assembly ............................................................................................................. 68

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1. SPECIFICATIONS
ITEM WM3885H*CA / WM3875H*CA / LSWF3885HVS
COLOR
POWER SUPPLY
PRODUCT WEIGHT
CYCLES
WASH/RINSE TEMPERATURES
SPIN SPEEDS
OPTIONS
WATER CIRCULATION
OPERATIONAL WATER PRESSURE
CONTROL TYPE
WASH CAPACITY [cu.ft. ]
DIMENSIONS
DELAY WASH
DOOR SWITCH TYPE
WATER LEVEL
LAUNDRY LOAD SENSING
ERROR DIAGNOSIS
AUTO POWER OFF
CHILD LOCK
STEAM
ELECTRIC POWER
CONSUMPTION
REVOLUTION
SPEED
WASHING
DRAIN MOTOR
WASH HEATER
WASH
SPIN
14
5
5
STEAM, DELAY WASH, STAIN CARE, CUSTOM PGM, COLD
WASHTM WASH/RINSE OPTIMIZERTM, EXTRA RINSE, CHILD
LOCK, DRUM LIGHT, FRESH CARE, LANGUAGE, PRE-WASH,
WATER PLUS, ENERGY USAGE DISPLAY
Incorporated
14.5-116 psi (100-800 kPa)
Electronic
4.13 (4.8 IEC)
27”(W) X 293/4”(D) X 3811/16”(H), 5013/16” (D, door open)
up to 19 hours
PTC + Solenoid
10 steps (by sensor)
Incorporated
Incorporated
Incorporated
Incorporated
Incorporated
280 W
80 W
1000 W
46 rpm
0-1,400 rpm
W : White, C : Chardonnay Steel, V : Graphite Steel
AC 120 V, 60 Hz
220.5 lbs (100 kg)

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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 SteamFreshTM
Steam washing features upgraded washing performance with low energy and water
consumption. SteamFreshTM cycle 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.

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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.
water
temperature
washing time
rinsing time
the best
washing
performance
spin rhythm, time
load
size
NEURO-
FUZZY
selected
washing
temperature
SENSING EFFECT PROCESSING DETERMINATION
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.
2-4. DOOR CONTROL

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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 inertial 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 STAIN CARE 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.
CHILD LOCK lasts after the end of cycle. If you want to deactivate this function,
Press and hold the STAIN CARE button for 3 seconds.
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, sick room linens, 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 DELAY WASH
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.

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3. PARTS IDENTIFICATION
Drain Hose
Lower Cover Cap
Magnetic Door Plunger
Adjustable Feet
Shipping Blots
Power Plug
Control Panel
Door Cleaning NozzleDoor Cleaning Nozzle
Water Circulation &
Steam Nozzle
Drum Light
Drum
Door Seal
Cold Water Inlet
Drain Pump FilterDrain Plug
•If the supply cord is
damaged, it must be
replaced by the
manufacturer or its
authorized service
technician in order to
avoid a hazard.
ACCESSORIES
Wrench Tie strap (Option)
to secure drain hose to standpipe,
inlet hose, or laundry tub
Hot/Cold (1 each)
Caps(4)
(for covering shipping
bolt holes)
Elbow Bracket
(for securing drain hose)
Non-skid pads
Hose
Hoses (1 Hot and 1 Cold)
Door
Dispenser
Hot Water Inlet
Air Vent for Safety
Back of Washer