WM2550HVCA - LG Washing Machine Service Manual (repair manual). Page 3

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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 .................................................................................................................  11-13

5-1. Control Panel Features ...................................................................................... 11-12

5-2. Cycle Guide  ...........................................................................................................  13

6. Wiring Diagram  ............................................................................................................  14
7. Test Mode .....................................................................................................................  15

7-1. Safety Caution  .......................................................................................................  15

7-2. Load Test Mode  .....................................................................................................  15

7-3. How to Read the Display in Load Test Mode  ........................................................  15

8. Troubleshooting  ....................................................................................................... 16-32

8-1. Safety Caution  ....................................................................................................... 16

8-2. Error Mode Summary  .......................................................................................  16-17 

8-3. Troubleshooting Summary  .....................................................................................  18  

8-4. Troubleshooting With Error  ...............................................................................  19-24

8-5. Troubleshooting Else  ........................................................................................  25-32

9. Component Testing Information  ............................................................................... 33-45

9-1. Filter Assembly (Line Filter)  .................................................................................... 33

9-2. Door Look Switch Assembly  .............................................................................  34-35

9-3. Stator Assembly ................................................................................................  36-38

9-4. Pump Motor Assembly ...........................................................................................  39

9-5. Inlet Valve Assembly ..............................................................................................  40

9-6. Heater Assembly ....................................................................................................  41

9-7. Thermistor Assembly  ........................................................................................  42-43

9-8. Steam Generator Assembly ..............................................................................  44-45

10. Disassembly Instructions  ........................................................................................  46-56
11. Exploded View  .........................................................................................................  57-59

11-1. Cabinet and Control Panel Assembly ...................................................................  57

11-2. Drum and Tub Assembly ......................................................................................  58

11-3. Dispenser Assembly .............................................................................................. 59