LG LDE4413ST Service Manual page 66

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
No
TROUBLESHOOTING
Reconnect or adjust
Yes
the connection
Lower
Sensor
connection
CN61
CN60
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 25℃
Yes
7-14
Replace the
No
defective
Thermistor
CN61
CN60