LG WD14070D6 - Troubleshooting Common Washing Issues; Diagnosing and Resolving Problems

32
No
Is the resistance of the Thermistor out of range 44 ~
53 KΩ at 25°C? (Page 17)
Replace the Main PCB.
Is the Connector connected correctly to
the Main PCB, the Thermistor and the Heater?
Is the Harness right?
Reconnect or repair the Connector.
Or replace the Harness.
Replace the Thermistor.
YES
Replace the Heater.
YES
YES
Is the resistance of the Heater out of range 24.5 ~
28.5Ω (for Washing) or 42.5 ~ 49.5Ω (for Steam) ?
(Page 19)
[Note] Thermistor Spec
NO
NO
tE (Thermistor (Heating) Error)
S
P
E
C
Temp
30 °C
40 °C
60 °C
70 °C
95 °C
105 °C
Resistance (kΩ)
MIN
36.35 39.45 42.72
24.20 26.05 27.97
11.43 12.12 12.82
8.088 8.514 8.940
3.544 3.791 4.045
2.617 2.816 3.023
STD MAX
Heater for Washing Heater for Steam