Read LG WM-128NW Service Manual online
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CONTENTS
1. SPECIFICATIONS ............................................................................................................................. 3
2. FEATURES & TECHNICAL EXPLANATION ..................................................................................... 4
3. PARTS IDENTIFICATION ................................................................................................................. 6
4. INSTALLATION .................................................................................................................................. 7
5. OPERATION ................................................................................................................................... 13
6. WIRING DIAGRAM / PCB LAYOUT ................................................................................................ 15
7. TROUBLESHOOTING ......................................................................................................................19
7-1.BEFORE PERFORMING SERVICE ......................................................................................... 19
7-2.LOAD TEST MODE .................................................................................................................. 19
7-3.HOW TO CHECK THE WATER LEVEL FREQUENCY ............................................................ 20
7-4.HOW TO CHECK THE TEMPERATURE OF EACH THERMISTOR AT OPERATING CONDITION ...... 20
7-5.ERROR DISPLAY ..................................................................................................................... 21
7-6.TROUBLESHOOTING WITH ERROR ..................................................................................... 23
• IE (Water Inlet Error) .............................................................................................................. 23
• UE (Unbalanced Error) ........................................................................................................... 24
• OE (Water Outlet Error) .......................................................................................................... 25
• FE (Over Flow Error) ............................................................................................................. 27
• PE (Pressure Sensor S/W Error) ............................................................................................ 28
• dE (Door open Error) .............................................................................................................. 29
• tE (Thermistor (Heating) Error) ............................................................................................... 30
• LE (Motor Lock Error) ............................................................................................................. 31
• AE (Water leakage) ................................................................................................................ 33
8. TROUBLESHOOTING OTHER ...................................................................................................... 34
• No power ................................................................................................................................ 34
• Vibration & Noise during spin ................................................................................................. 35
• Detergent & Softener does not flow in .................................................................................... 36
• Water Leak ............................................................................................................................. 37
9. PART INSPECTION ........................................................................................................................ 39
9-1.FILTER ASSEMBLY (LINE FILTER) ......................................................................................... 39
9-2.DOOR LOCK SWITCH ASSEMBLY ......................................................................................... 40
9-3.STATOR ASSEMBLY ............................................................................................................... 42
9-4.PUMP MOTOR ASSEMBLY ....................................................................................................... 45
9-5.INLET VALVE ASSEMBLY ....................................................................................................... 46
9-6.THERMISTOR ASSEMBLY ...................................................................................................... 47
10. DISASSEMBLY INSTRUCTIONS .................................................................................................. 48
11. EXPLODED VIEW AND PART LIST .............................................................................................. 56
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