LG WM2016CW - Troubleshooting Summary

22
8-3. TROUBLESHOOTING SUMMARY
Remark
Result
(tolerance
5%)
At 86℉ (30℃)
At 104
℉ (40℃)
At 140
℉ (60℃)
At 158℉ (70℃) At 203℉ (95℃)
At 221
℉ (105℃)
39.5 k
Ω
26.1 k Ω 12.1 k Ω
8.5 kΩ 3.8 k Ω 2.8 k Ω
Thermistor
Pin4: Wash thermistor
Motor Hall Sensor RD Pin1: U
Pin2: V
Pin3: W
NA Pin1: +
Pin2: Hb Pin3: Ha
Pin4: GND
Door Switch NA Pin1: PTC
Pin2: PTC
Inlet Valve NA_Pin3: Main wash BL3 BL4
Pin1: Common
Pin2: Pre wash Pin3: Bleach Pin4: Hot valve
ResultTest Points
8~12 k
Ω
8~12 k Ω
10~15 Vdc
10 Vdc
10 Vdc
Remark
Voltage Input
Pulsing Signal Pulsing Signal
Pin1 to Pin2 Pin1 to Pin3 Pin1 to Pin4 Pin2 to Pin4 Pin3 to Pin4
Result
Test Points
700-1500
Ω
60-90
Ω
Infinity
120 Vac
Remark
At 77
℉(25℃)
At 77
℉(25℃)
Voltage Input
Pin1 to Pin3 Pin2 to Pin3 Pin3 to Pin4 Pin1 to Pin3
Result
Test Points
0 Ω 0 Ω
WH Pin1 to RD Pin3 WH Pin3 to RD Pin1
Pin1 to Pin2: 0.8~1.2 Ω
Pump BL4 Pin1: Drain pump
1. Pump running: 120V
5%
2. Stopped Motor/Pump: 0~1V
10 ~ 20
Ω
Result
Test Points
5~15
Ω
5~15
Ω
5~15
Ω
Pin1 to Pin2 Pin2 to Pin3 Pin3 to Pin1
Wash thermistor
Pump Drain pump :