LG LSWS306ST Service Manual page 64

Oven hot, F6?
Unplug the unit
1
Is the resistance of
thermistor normal?
Check:
Pins 5 and 6 of CN32 in main
PCB
Normal- approximately 1.09kΩ at 25ºC
Yes
TROUBLESHOOTING
Replace the
No defective
Thermistor
CN32
7-18
2
Is the Heater relay normal?
Measure the resistance of
heater relay and Live1.
Normal: infinite
Abnormal : shorted
Bake
Heater Relay
Tab 10 and Tab 11 : RY11
Convection
Heater Relay
Tab 10 and Tab 12 : RY12
Inner Broil
Heater Relay
Tab 10 and Tab 13 : RY13
Outer Broil
Heater Relay
Tab 10 and Tab 14: RY14
Yes
Replace the
No
Relay PCB