Part # 138683 (01/08)
Page 23
TROUBLESHOOTING
Oven (Standard & Convection)
Problem
Possible Cause
Solution
Oven too hot or not hot enough
Thermostat out of calibration
Check calibration
Burner flame shuts off when oven is at
the required temperature.
Thermostat has incorrect
by pass rate.
Replace thermostat
Burner flame soft-lazy yellow tip
Insufficient primary air
Check aeration shutter setting
Flame lifts off burner ports
Excessive primary air
Check aeration shutter setting
Burner lifts back to the injector
Excessive primary air
Check aeration shutter setting
Burner “pops” when turned off
Excessive primary air
Check aeration shutter setting
Burner flame too large
Incorrect setting pressure or injector
Check setting pressure or injector
Delayed ignition.
Pilot flame too small
Clean burner
Burner ignition ports blocked
Check aeration shutter setting
Incorrect aeration
Check millivolt output
Oven pilot keeps going out
Faulty thermocouple
Check millivolt output
Faulty flame safety device
Replace flame Safety device
Pilot flame too small
Check pilot flame length
Thermocouple connection is loose.
Check connection
Low millivolt output on open circuit
Pilot flame too small
Adjust pilot flame length
Defective thermocouple
Replace
Millivolt output high in open circuit test
and low in closed circuit test
Faulty flame safety device
Replace
Test but flame safety valve will not stay
open
Faulty flame safety device
Replace flame safety device
Door will not stay closed
Insufficient tension on springs
Adjust tension
Broken spring
Replace
Broken hinge link
Replace
Door will not stay open
Too much tension on springs
Adjust tension
Door not closing on one side
Door warped
Replace door
Door not level or low in center
Trunnion support loose
Level and tighten
Trunnion support worn
Replace
No spark to pilots (*-”E” Models Only)
Disconnected or loose hi-tension
wires
Reconnect hi-tension wires
Defective piezzo
Replace piezzo
*No Power to range
*Check power supply
*Defective momentary switch
*Replace switch
*Defective spark module
*Replace module