UL File E8138
16
TROUBLESHOOTING
Symptoms
What follows is a chart of Symptoms, Possible Causes, and Remedy’s to aid in diagnosing faults
with the oven.
Refer to the Symptoms column to locate the type of failure then to the Possible Cause for the
items to be checked. On the following pages is a chart with the possible causes and the test to
properly identify the problem.
SYMPTOM POSSIBLE
CAUSE
Oven will not heat
No power to Oven
Internal breaker tripped
Blown fuses
Defective power switch
Defective thermostat
Defective contactor
Defective 4-heat switch
Defective oven element
Fan will not operate
No power to oven
Internal breaker tripped
Blown fuses
Defective power switch
Defective terminal block
Defective motor
Product is burning
Product is cooked too long
Thermostat out of calibration
Failed Thermostat
Failed 4-heat switch
Product under done
Product is not cooking long enough
Thermostat out of calibration
Failed thermostat
Failed 4-heat switch
