LG LDG4313BD Service Manual page 74

Sensing Fail, F1 (F4), F2 (F5)?
Unplug the unit
1
Is the Connector
disconnected or loose?
(1) Sensor connection
(2) CN60 and CN61 of Main
PCB
Upper
Sensor
connection
TROUBLESHOOTING
Reconnect
Yes
or adjust the
connection
Lower
Sensor
connection
CN61
CN60
No
2
Is the resistance of
thermistor normal?
Check:
Pins 4 and 5 of CN60 and pins 5 and 6 of
CN61 in main PCB
Normal- approximately 1.09kΩ at 77˚F(25˚C)
8-18
Replace the
No
defective
Thermistor
CN61
CN60
yes