LG LRG4111ST Service Manual page 61

Oven hot, F6?
Unplug the unit
1
Is the resistance of
thermistor normal?
Check:
Pins 4 and 5 of CN60 in main PCB
Normal- approximately 1.09kΩ at 25˚C
TROUBLE SHOOTING
Replace the
No
defective
Thermistor
CN60
Yes
2
Is the igniter relay normal?
Measure the resistance of
igniter relay and Live.
Normal: infinite
Abnormal : shorted
Tab 01 and Tab 53 : RY53
Tab 01 and Tab 52 : RY52
8-14
No
Replace the
Main PCB
Broil
igniter Relay
Convection
igniter Relay
Yes