Read LG F70B8QD / F84B8TDA 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
7. TROUBLESHOOTING......................................................................................................................17
17
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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