Read LG WD-R16957DH Service Manual online
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CONTENTS
1. SPECIFICATION................................................................................................................................ 3
2. FEATURES & TECHNICAL EXPLANATION ..................................................................................... 4
2-1.FEATURES.................................................................................................................................. 4
2-2.DETERMINE WASHING TIME BY FUZZY LOGIC ..................................................................... 5
3. PARTS IDENTIFICATION ................................................................................................................. 6
4. INSTALLATION .................................................................................................................................. 7
5. OPERATION ................................................................................................................................... 13
6. WIRING DIAGRAM / PCB LAYOUT / PROGRAM CHART ............................................................ 15
7. TROUBLESHOOTING ......................................................................................................................17
7-1.CHECK BEFORE SERVICE .................................................................................................... 17
7-2.LOAD TEST MODE .................................................................................................................. 17
7-3.HOW TO CHECK THE WATER LEVEL FREQUENCY ............................................................ 18
7-4.HOW TO CHECK THE TEMPERATURE OF EACH THERMISTOR AT OPERATING CONDITION ...... 18
7-5.HOW TO CHECK THE VIBRATION SENSOR ......................................................................... 19
7-6.ERROR DISPLAY ..................................................................................................................... 20
7-7 TROUBLESHOOTING WITH ERROR CODES ....................................................................... 22
• IE (Water Inlet Error) .............................................................................................................. 22
• UE (Unbalance Error) ............................................................................................................. 23
• OE (Water Outlet Error) .......................................................................................................... 24
• FE (Overflow Error) ................................................................................................................ 26
• PE (Pressure Sensor S/W Error) ............................................................................................ 27
• dE (Door Open Error) ............................................................................................................. 28
• tE (Thermistor (Heating) Error) ............................................................................................... 29
• LE (Motor Locked Error) ......................................................................................................... 30
• AE (Water Leakage) ................................................................................................................32
• dHE (Dry Heater Error).............................................................................................................33
8. TROUBLESHOOTING WITHOUT ERROR CODES ...................................................................... 36
• No Power ................................................................................................................................ 36
• Vibration & Noise during spin ................................................................................................. 37
• Detergent & Softener does not flow in .................................................................................... 38
• Water Leak ............................................................................................................................. 39
• No Steam ............................................................................................................................... 41
9. PART INSPECTION ........................................................................................................................ 42
9-1 FILTER ASSEMBLY(LINE FILTER) .......................................................................................... 42
9-2 DOOR LOCK SWITCH ASSEMBLY.......................................................................................... 43
9-3 STATOR ASSEMBLY ................................................................................................................ 45
9-4 PUMP MOTOR ASSEMBLY...................................................................................................... 48
9-5 INLET VALVE ASSEMBLY ........................................................................................................ 49
10. DISASSEMBLY INSTRUCTIONS ................................................................................................. 50
11. EXPLODED VIEW AND PART LIST ............................................................................................. 65
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