LG LDG4313BD Service Manual page 78

Oven hot, F6, F16?
Unplug the unit
1
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)
TROUBLESHOOTING
Replace the
No
defective
Thermistor
CN61
CN60
yes
2
Is the igniter relay normal?
Measure the resistance of
igniter relay and Live.
Normal: infinite
Abnormal : shorted
Tab 01 and Tab 54 : RY54
Tab 01 and Tab 53 : RY53
Tab 01 and Tab 52 : RY52
8-22
No
Replace the
Main PCB
Upper Bake
igniter Relay
Upper Broil
igniter Relay
Convection
igniter Relay
yes