7-5.Troubleshooting With Error - LG F12U2HDM Series Service Manual

7-5. TROUBLESHOOTING WITH ERROR
Symptom
1. INLET VALVE
ERROR
Pre wash
Main wash
1.Check Electric Wiring.
2.Check Inlet valve's Resistance.
3.Check Inlet valve clogged.
4. Voltage of the inlet valve's connector.
-. Valve running : 120Vac ± 5%
Dry
Auto
mizing
Check Point
BL 1
NA2
Inlet Main
Vavle PWB
Main
N A3
wash
~ White
(1) ~ (2)
Pre
NA2 2
wash
~ Gray
(1) ~ (2)
Dry NA4
~ Yellow
(1) ~ (2)
NA3
Resistance
[k Ω]
rd
3
0.8 ~ 1.2
nd
0.8 ~ 1.2
rd
4
0.8 ~ 1.2