F1695RDH - LG Washing Machine Service Manual (repair manual). Page 29

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29
No
Is the resistance of the Thermistor out of range 44 ~

53 KΩ at 25°C? 
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) ?
[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

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