F7022QD, F7096QD, F7277QD, F7296QD, F7422QD, F7496QD, F7496QD3, F72791WH, F72892WH, F74771WH, F74791WH, F74882WH, F74892WH - LG Washing Machine Service Manual (repair manual). Page 3

Read LG F7022QD / F7096QD / F7277QD / F7296QD / F7422QD / F7496QD / F7496QD3 / F72791WH / F72892WH / F74771WH / F74791WH / F74882WH / F74892WH Service Manual online

2
CONTENTS
1. SPECIFICATION ............................................................................................................................ 3
4
2. FEATURES & TECHNICAL EXPLANATION....................................................................................
3. PARTS IDENTIFICATION ............................................................................................................... 6
4. INSTALLATION.................................................................................................................................. 7
5. OPERATION
  ................................................................................................................... .................12
5-1. F**96(T/Q)D(P)(1~9)
  ..................................................................................................................12
14
6. WIRING DIAGRAM / PCB LAYOUT / PROGRAM CHART..............................................................
7. TROUBLESHOOTING......................................................................................................................17
17
17
17
7-1. BEFORE PREFORMING SERVICE
 
..........................................................................................
7-2. LOAD TEST MODE
 
...................................................................................................................
7-3. HOW TO KNOW THE WATER LEVEL FREQUENCY
 
..............................................................
7-4. ERROR DISPLAY...................................................................................................................... 18
19
7-5. TROUBLESHOOTING WITH ERROR
 
......................................................................................
• IE ( Water Inlet Error)
 
............................................................................................................... 19
• UE (Unbalanced Error)  
............................................................................................................. 20
• OE ( Water Outlet Error)  
........................................................................................................... 21
• FE (Flow over Error)  
................................................................................................................. 23
24
• PE (Pressure Sensor S/W Error)  
..............................................................................................
• DE (Door open Error)  
............................................................................................................... 25
• tE (Thermistor (Heating) Error)
 
................................................................................................. 26
• LE (Motor Lock Error)  
............................................................................................................... 27
29
29
8. TROUBLESHOOTING WITHOUT ERROR CODES
 
........................................................................
• PF (Power Failure or no power)
 
...............................................................................................
• Vibration & Noise in spin
 
........................................................................................................... 30
31
• Detergent & Softener does not flow in
 
.....................................................................................
• Water Leak  ............................................................................................................................... 32
9. DISASSEMBLY INSTRUCTIONS
 
.................................................................................................... 34
10. EXPLODED VIEW
 
.......................................................................................................................... 41
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