Read LG WD4370HVA Service Manual online
4
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
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