Table Of Contents - LG WM4270HVA Service Manual

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 ..................................................................................................... 11-13
5-2. Cycle Guide ........................................................................................................................... 14
5-3. Special Functions ................................................................................................................... 15
5-4. Explanation of Each Process ............................................................................................ 16-17
6. Test Mode ...................................................................................................................................... 18
6-1. Safety Caution ....................................................................................................................... 18
6-2. Load Test Mode ..................................................................................................................... 18
6-3. How To Read the Display in Load Test Mode ........................................................................ 18
7. Troubleshooting ............................................................................................................................ 19
7-1. Safety Caution ....................................................................................................................... 19
7-2. Error Mode Summary ....................................................................................................... 19-20
7-3. Troubleshooting With Error ............................................................................................... 21-27
7-4. Troubleshooting Else ........................................................................................................ 28-32
7-5. Before using the Tag On function .......................................................................................... 33
8. Component Testing Information .................................................................................................... 34
8-1. Filter Assembly (Line Filter) ................................................................................................... 34
8-2. Door Look Switch Assembly ............................................................................................. 35-36
8-3. Stator Assembly ................................................................................................................ 37-39
8-4. Pump Motor Assembly ........................................................................................................... 40
8-5. Inlet Valve Assembly .............................................................................................................. 41
8-6. Heater Assembly .................................................................................................................... 42
8-7. Thermistor Assembly ........................................................................................................ 43-44
9. Disassembly Instructions ........................................................................................................... 45-53
10. Exploded View ......................................................................................................................... 54-56
10-1. Cabinet and Control Panel Assembly ................................................................................... 54
10-2. Drum and Tub Assembly ...................................................................................................... 55
10-3. Dispenser Assembly ............................................................................................................. 56
11. Wiring Diagram ............................................................................................................................. 57
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