Read LG WFT956DD Service Manual online
42
4-9 TROUBLESHOOTING SUMMARY
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Hall Sensor
WH Pin1 : Ha
Pin2 : Hb
Pin3 : GND
Pin4 : +
WH Pin1 : Ha
Pin2 : Hb
Pin3 : GND
Pin4 : +
Inlet Valve
NA_Pin3 : Main wash
BL3 Pin1 : Cold valve
BL4 Pin2 : Hot valve
NA_Pin3 : Main wash
BL3 Pin1 : Cold valve
BL4 Pin2 : Hot valve
Pin4 : Jet valve
Pin5 : Rinse valve
Pin5 : Rinse valve
Pump
CN5 Pin5 : Drain pump
1. Pump running : 120V ± 5%
2. Stopped Motor/Pump : 0 ~ 1V
CN5 Pin5 : Drain pump
1. Pump running : 120V ± 5%
2. Stopped Motor/Pump : 0 ~ 1V
Pin1 to Pin2 :
0.8~1.2Ω
0Ω
YL to RD
0Ω
WH to BL
Result
Test Points
0Ω
0Ω
Result
Test Points
Pulsing signal
10 Vdc
(7) to (4)
Pulsing signal
10 Vdc
(5) to (4)
Voltage input
10-15 Vdc
(8) to (4)
8-12Ω
(8) to (7)
8-12Ω
(8) to (5)
Remark
Result
Test Points
10 Vdc
(7) to (4)
10 Vdc
(5) to (4)
10-15 Vdc
(8) to (4)
8-12Ω
(8) to (7)
8-12Ω
(8) to (5)
Remark
Result
Test Points
5~15Ω
Pin3 to Pin1
5~15Ω
Pin2 to Pin3
5~15Ω
Pin1 to Pin2
Result
Test Points
5~15Ω
Pin3 to Pin1
5~15Ω
Pin2 to Pin3
5~15Ω
Pin1 to Pin2
Result
Test Points
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