LG WM3550HVCA Service Manual ▷ View online
WASHING MACHINE
SERVICE MANUAL
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL: WM3550H*CA
2
CONTENTS
1.
Specifications .................................................................................................................................. 3
2.
Features and Technical Explanation ............................................................................................ 4-6
3.
Parts Identification ........................................................................................................................... 7
4.
Installation and Test ................................................................................................................... 8-10
5.
Operation .................................................................................................................................. 11-17
5-1. Control Panel Features ..................................................................................................... 12-13
5-2. Cycle Guide ........................................................................................................................... 14
5-3. Special Functions ................................................................................................................... 15
5-4. Explanation of Each Process ............................................................................................ 16-17
5-1. Control Panel Features ..................................................................................................... 12-13
5-2. Cycle Guide ........................................................................................................................... 14
5-3. Special Functions ................................................................................................................... 15
5-4. Explanation of Each Process ............................................................................................ 16-17
6.
Wiring Diagram / Program Chart .............................................................................................. 18-19
7.
Test Mode ...................................................................................................................................... 20
7-1. Safety Caution ....................................................................................................................... 20
7-2. Load Test Mode ..................................................................................................................... 20
7-3. How To Read the Display in Load Test Mode ........................................................................ 20
7-1. Safety Caution ....................................................................................................................... 20
7-2. Load Test Mode ..................................................................................................................... 20
7-3. How To Read the Display in Load Test Mode ........................................................................ 20
8.
Troubleshooting ....................................................................................................................... 21-35
8-1. Safety Caution ....................................................................................................................... 21
8-2. Error Mode Summary ....................................................................................................... 21-22
8-3. Troubleshooting Summary ..................................................................................................... 23
8-4. Troubleshooting With Error ............................................................................................... 24-30
8-5. Troubleshooting Else ........................................................................................................ 31-35
8-1. Safety Caution ....................................................................................................................... 21
8-2. Error Mode Summary ....................................................................................................... 21-22
8-3. Troubleshooting Summary ..................................................................................................... 23
8-4. Troubleshooting With Error ............................................................................................... 24-30
8-5. Troubleshooting Else ........................................................................................................ 31-35
9.
Component Testing Information ............................................................................................... 36-48
9-1. Filter Assembly (Line Filter) ................................................................................................... 36
9-2. Door Look Switch Assembly ............................................................................................. 37-38
9-3. Stator Assembly ................................................................................................................ 39-41
9-4. Pump Motor Assembly ........................................................................................................... 42
9-5. Inlet Valve Assembly .............................................................................................................. 43
9-6. Heater Assembly .................................................................................................................... 44
9-7. Thermistor Assembly ........................................................................................................ 45-46
9-8. Steam Generator Assembly .............................................................................................. 47-48
9-1. Filter Assembly (Line Filter) ................................................................................................... 36
9-2. Door Look Switch Assembly ............................................................................................. 37-38
9-3. Stator Assembly ................................................................................................................ 39-41
9-4. Pump Motor Assembly ........................................................................................................... 42
9-5. Inlet Valve Assembly .............................................................................................................. 43
9-6. Heater Assembly .................................................................................................................... 44
9-7. Thermistor Assembly ........................................................................................................ 45-46
9-8. Steam Generator Assembly .............................................................................................. 47-48
10. Disassembly Instructions ......................................................................................................... 49-59
11. Exploded View ......................................................................................................................... 60-62
11-1. Cabinet and Control Panel Assembly ................................................................................... 60
11-2. Drum and Tub Assembly ...................................................................................................... 61
11-3. Dispenser Assembly ............................................................................................................. 62
11-2. Drum and Tub Assembly ...................................................................................................... 61
11-3. Dispenser Assembly ............................................................................................................. 62
3
1. SPECIFICATIONS
ITEM
WM3550H*CA
COLOR
POWER SUPPLY
PRODUCT WEIGHT
CYCLES
WASH/RINSE TEMPERATURES
SPIN SPEEDS
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
OPTIONS
ELECTRIC POWER
CONSUMPTION
REVOLUTION
SPEED
WASHING
DRAIN MOTOR
WASH HEATER
WASH
SPIN
Cycle : 12
5
5
STEAM, COLD WASH, DELAY WASH, PREWASH,
FRESH CARE, EXTRA RINSE,
Incorporated
14.5-116 psi (100-800 kPa)
Electronic
(4.3DOE)
27”(W) X 293/4”(D) X 3811/16”(H), 51”(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
0~1300 rpm
W : BLUE White, V : STAINLESS SIVER, R : CANDY APPLE RED, S : Titanium
AC 120 V, 60 Hz
209lb (95kg)
To reduce the risk of injury to persons, adhere to all industry recommended
safety procedures including the use of long sleeved gloves and safety
glasses. Failure to follow all of the safety warnings in this manual could result
in property damage, injury to persons or death.
glasses. Failure to follow all of the safety warnings in this manual could result
in property damage, injury to persons or death.
WARNING
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.
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.
more easily.
Steam Washing and SteamFresh
TM
Steam washing features upgraded washing performance with low energy and water
consumption. SteamFresh
consumption. SteamFresh
TM
cycle removes wrinkles from dry clothes.
Automatic Wash Load Detection
Automatically detects the load and optimizes the washing time.
Built-in Heater
Child Lock
The child lock prevents children from pressing any button to change the settings
during operation.
during operation.