U.S. Range C836 SERIES - TROUBLESHOOTING GUIDE Continued; Convection Oven and Burner Troubleshooting

Part # 3052000 (09/16/09) Page 33
Oven (Convection Only)
Problem Possible Cause Solution
Cook/Cool Down switch set to “Cook”
position Light o 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 o 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 bae 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 ame too large Incorrect setting pressure or injector Check setting pressure and injector
Burner ame soft-yellow tip Insucient primary air Check aeration shutter setting
Flame lifts o 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 o Excessive primary air Check aeration shutter setting
Delayed ignition Pilot ame too small Check pilot ame length
Burner ports blocked Clean burner
Incorrect aeration Check aeration shutter setting
Incorrect setting pressure Check setting pressure
Pilot burner will not ignite Pilot orice blocked Clean jet
Pilot adjusting screw closed Open and adjust ame length
Pilot keeps going out Pilot ame too small Check pilot ame length
Loose thermocouple connection Tighten connection
Faulty thermocouple Replace thermocouple
Low millivolt output on open circuit tests Pilot ame too small Adjust pilot ame length
Defective thermocouple Replace thermocouple
TROUBLESHOOTING GUIDE Continued