Part # 1382683 (01/08)
Page 24
TROUBLESHOOTING Continued
Convection Ovens Only
Problem
Possible Cause
Solution
Cook/Cool Down switch set to “Cook”
position. Light off. Motor not working
No power to oven
Check power supply
Defective Cook/Cool Down switch
Replace switch
Faulty wiring
Check condition of wires and all
connections
Cook/Cool down switch set to “Cook”
position. Light on. Motor not working
Defective Cook/Cool Down Switch
Replace switch
Defective door switch
Replace switch
Faulty wiring
Check conditions of wires and all
connections
Defective motor
Replace motor
Oven door open
Close door
Door switch out of alignment.
Align door switch
Noisy motor
Blower wheel rubbing on oven baffle Adjust blower wheel
Blower wheel loose on motor shaft
Retighten blower wheel
Defective motor
Replace motor
Cook/Cool down switch set to “Cool
Down” position. Light on. Motor not
working
Defective Cook/Cool Down switch
Replace cook/Cool Down switch
Defective door switch
Replace door switch
Faulty wiring
Check conditions of wires and all
connections.
Open Burner – Models not Equipped with Flame Supervision Device
Problem
Possible Cause
Solution
Burner flame too large
Incorrect gas pressure
Check gas pressure
Burner flame soft – yellow tip
Insufficient primary air
Adjust air shutter
Flame lifts off burner ports
Excessive primary air
Flame burns back to orifice
Burner “pops” after shutting off
Delayed ignition
Pilot flame too small
Adjust pilot flame
Burner ports blocked
Clean burner
Incorrect gas/air mixture
Adjust air shutter
Incorrect gas pressure
Check gas pressure
Pilot burner will not ignite
Pilot tap turned off
Turn pilot tap on
Pilot orifice blocked
Clean pilot orifice
Pilot tap blocked
Clean pilot tap plug