User manual

– 46 –
Oven/Bake Over Temperature
Set Oven/Bake for 250° F.
Press start.
Does upper heater cycle off
at 250° F?
Check relay RY7
on sub PCB.
Is relay stuck
closed?
NO
Replace main
PCB.
YES
NO
Check thermistor
resistance.
Thermistor OK?
Replace
thermistor.
NO
Grounded heater
circuit on sub PCB
side of heater.
YES
YES
Check relay RY9
on main PCB.
Is relay stuck
closed?
NO
Replace main
PCB.
YES
Grounded heater
circuit on main
PCB side of
heater.
NO
Normal. YES
Does lower heater
cycle off at
250° F?