WM2020CW - LG Washing Machine Service Manual (repair manual). Page 3

1. SPECIFICATIONS ............................................................................................................... 3

2. FEATURES AND 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 ........................................................................................................... 13
5-3. SPECIAL FUNCTIONS  .............................................................................................. 14
5-4. EXPLANATION OF EACH PROCESS ....................................................................... 15

6. WIRING DIAGRAM  ........................................................................................................... 17

7. TEST MODE  ..................................................................................................................... 18

7-1. SAFETY CAUTION .................................................................................................... 18
7-2. LOAD TEST MODE  ................................................................................................... 18
7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY  ............................................. 18

8. TROUBLESHOOTING ...................................................................................................... 19

8-1. SAFETY CAUTION .................................................................................................... 19
8-2. ERROR MODE SUMMARY  ...................................................................................... 19
8-3. TROUBLESHOOTING SUMMARY    ......................................................................... 21

8-4. TROUBLESHOOTING ELSE ..................................................................................... 28

9. COMPONENT TESTING INFORMATION ........................................................................ 33

9-1. FILTER ASSEMBLY (LINE FILTER) .......................................................................... 33
9-2. DOOR LOOK SWITCH ASSEMBLY .......................................................................... 34
9-3. STATOR ASSEMBLY ................................................................................................. 36
9-4. PUMP MOTOR ASSEMBLY .......................................................................................39
9-5. INLET VALVE ASSEMBLY ......................................................................................... 40
9-6. HEATER ASSEMBLY ................................................................................................. 41
9-7. THERMISTOR ASSEMBLY ....................................................................................... 42

10. DISASSEMBLY INSTRUCTIONS .................................................................................... 43

11.EXPLODED VIEW  ............................................................................................................ 49

11-1. CABINET AND CONTROL PANEL ASSEMBLY ...................................................... 49
11-2. DRUM AND TUB ASSEMBLY .................................................................................. 50
11-3. DISPENSER ASSEMBLY ........................................................................................ 51