LG WM3070RD Service Manual ▷ View online
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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. Other Troubleshooting ....................................................................................................... 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. Other Troubleshooting ....................................................................................................... 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
personal injury, follow
personal injury, or death
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2. FEATURES & TECHNICAL EXPLANATION
2-1. FEATURES
Ultra Capacity
The larger drum enables not only 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 drives the drum directly, without belt or 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.
\
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.
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.
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
washing
performance
spin rhythm, time
load
size
NEURO-
FUZZY
selected
washing
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 during operation, the door will
unlock after 5 minutes.
Clicking sounds can be heard when the door is locked/unlocked.
2-4. DOOR CONTROL