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MODEL 400 RESTAURANT RANGES TROUBLESHOOTING
OPERATOR’S MANUAL 1182299 REV 3 (05/05) DRAFT PAGE 37 OF 64
TROUBLESHOOTING
If the thermocouple works properly
replace the safety valve.
If no pilot, raise the kick panel
slightly and rotate forward.
The pilot should light and remain lit
after the button is released.
Loosen pilot nut out of the burner
bracket.
OVEN PILOT DOES NOT WORK
Continue to hold the red button for
30 seconds.
Remove pilot tube from the safety
valve.
If the pilot doesn’t remain lit remove
the thermocouple from the safety
valve.
If the pilot still doesn’t burn remove
the oven bottom.
If the MV doesn’t rise quickly above
10 replace the thermocouple.
Holding the red button, light the
pilot.
Light the pilot.
Check through the hole in the oven
bottom for a pilot flame and leave
the oven door open 5 minutes to
clear gas fumes.
Press and hold the red button on
the oven safety valve and put a
flame to the pilot.
No
Remove the pilot orifice from the
pilot or end of the tube and check
for debris.
Re-install the pilot orifice and
tubing.
If the pilot doesn’t remain lit, wait 5
minutes and retry.
Install a thermocouple adapter
between the safety valve and
thermocouple to measure the
DC MV.
Install a DVM on the adapter.
If the voltage doesn’t rise above 10
MV adjust the pilot valve and
retest.
Does the
pilot burn?
Check that the oven pilot
adjustment on the manifold is open.
Yes