Part # 3052000 (09/16/09)
Page 33
Oven (Convection Only)
Problem
Possible Cause
Solution
Cook/Cool Down switch set to “Cook”
position Light off Motor 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 off Motor not working
Defective Cook/Cool Down switch
Replace switch
Defective door switch
Replace switch
Door switch out of alignment
Align switch
Oven door open
Close door
Faulty wiring
Check condition of wires and all
connections
Defective motor
Replace motor
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 switch
Defective door switch
Replace switch
Door switch out of alignment
Align switch
Faulty wiring
Check condition of wires and all
connections
No spark to pilots
Disconnected or loose hi tension wires
Reconnect hi tension wires
Defective spark module
Replace module
No Power to range
Check power supply
Open Top, Solid Hot Top, Griddles & Broilers
Problem
Possible Cause
Solution
Burner flame too large
Incorrect setting pressure or injector
Check setting pressure and injector
Burner flame soft-yellow tip
Insufficient primary air
Check aeration shutter setting
Flame lifts off burner ports
Excessive primary air
Check aeration shutter setting
Flame lights back to the injector
Excessive primary air
Check aeration shutter setting
Burner “pops” when turned off
Excessive primary air
Check aeration shutter setting
Delayed ignition
Pilot flame too small
Check pilot flame length
Burner ports blocked
Clean burner
Incorrect aeration
Check aeration shutter setting
Incorrect setting pressure
Check setting pressure
Pilot burner will not ignite
Pilot orifice blocked
Clean jet
Pilot adjusting screw closed
Open and adjust flame length
Pilot keeps going out
Pilot flame too small
Check pilot flame length
Loose thermocouple connection
Tighten connection
Faulty thermocouple
Replace thermocouple
Low millivolt output on open circuit tests
Pilot flame too small
Adjust pilot flame length
Defective thermocouple
Replace thermocouple
TROUBLESHOOTING GUIDE Continued