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TROUBLESHOOTING GUIDE
PROBLEM
Oven too hot or not hot enough
Burner flame too large
Burner flame soft-yellow tip
Flame lifts off burner ports
Flame lights back to the injector
Burner "pops" when turned off
Delayed ignition
Pilot burner will not ignite
Pilot keeps going out
Low millivolt output on open circuit tests Pilot flame too small
Millivolt output high in open circuit test
but low in closed circuit
Millivolt output high on closed circuit
test but flame safety tap will not stay
open
Door will not stay closed
Door will not stay open
Door not closing on one side
Door not level or low in centre
Oven (Standard Only)
Burner flame shuts off when oven is at
the required temperature
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Oven (Standard & Convection)
POSSIBLE CAUSE
Thermostat out of calibration
Incorrect setting pressure or injector
Insufficient primary air
Excessive primary air
Excessive primary air
Excessive primary air
Pilot flame too small
Burner ports blocked
Incorrect aeration
Incorrect setting pressure
Pilot orifice blocked
Pilot adjusting screw closed
Pilot flame too small
Loose thermocouple connection
Faulty thermocouple
Faulty gas/safety valve
Defective thermocouple
Faulty gas/safety valve
Faulty gas/safety valve
Insufficient tension on springs
Broken spring
Broken hinge link
Too much tension on springs
Door warped
Trunion support loose
Trunion support worn
Thermostat has incorrect by-pass rate
SOLUTION
Check Calibration
Check setting pressure and injector
Check aeration shutter setting
Check aeration shutter setting
Check aeration shutter setting
Check aeration shutter setting
Check pilot flame length
Clean burner
Check aeration shutter setting
Check setting pressure
Clean jet
Open and adjust flame
Check pilot flame length
Tighten connection
Replace thermocouple
Replace valve
Adjust pilot flame length
Replace thermocouple
Replace valve
Replace valve
Adjust tension
Replace spring
Replace
Adjust tension
Replace door
Level and tighten
Replace
Adjust by-pass or replace them
Part # 3052000 (09/16/09)
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