Read LG WD-1070FB / WD-1071FB / WD-1071FBB Service Manual online
8-1. BEFORE PERFORMING SERVICE
■ Be careful of electric shock or disconnecting the parts while troubleshooting.
■ Voltage of each terminal in 220-240V~ and DC while applying an electric current.
■ Voltage of each terminal in 220-240V~ and DC while applying an electric current.
8-2. QC TEST MODE.
① Pressing Spin, and Temp button simultaneously.
② Power supply ON with pressing upper two button. then buzzer sound twice.
③ Press the START/PAUSE button as follows.
② Power supply ON with pressing upper two button. then buzzer sound twice.
③ Press the START/PAUSE button as follows.
~Press the START/PAUSE button more 4 times until stop spinning₩
8-3. HOW TO KNOW THE WATER LEVEL FREQUENCY
Press the Option and Spin button simultaneously.
ex) 241 : Water level frequency = 241
× 10-1㎑
=24.1
㎑
14
8. TROUBLESHOOTING
The digits means water level frequency (10
-1
㎑
)
Pressing number of
［START/PAUSE］button
Checking Point
Display Status
None
All lamps turn on
1 time
Clockwise spin (right)
Motor rpm (About 45)
2 times
Low speed spin
Motor rpm (About 63~67)
3 times
High speed spin
Motor rpm (About 79~85) : WD(M)-8070(4)F(H)(B)
Motor rpm (About 100~106) : WD(M)-1070(5)F(H)(B)/WD(M)-1074(6)F(H)B
Motor rpm (About 107~103) : WD(M)-1170(5)F(H)B/WD(M)-1174(6)F(H)B/WM-1171(6)FHB
Motor rpm (About 114~120) : WD(M)-1270(5)F(H)B/WD(M)-1274(6)F(H)B
Motor rpm (About 122~127) : WD(M)-1370(5)F(H)B/WD(M)-1374(6)F(H)B/WM-1371(6) FHB
4 times
Inlet valve for pre-wash operation
Water level frequency (25~65)
5 times
Inlet valve for main-wash operation
Water level frequency (25~65)
Hot inlet valve in case of hot water fill
6 times
Inlet valve for main-wash operation
Water level frequency (25~65)
7 times
Counterclockwise spin (left)
Motor rpm (About 45)
8 times
A heater is in operation for 3 sec.
Water temperature
9 times
Draining pump operation
Water level frequency
10 times
Auto off operation
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