11
Troubleshooting
OPERATOR TROUBLESHOOTING
The tables that follow provide operators with a list of possible malfunctions, the probable causes of the
malfunctions, and the corrective actions to take to correct the problem.
In some cases the operator may not be able to correct the problem, but will at least be able to accurately
diagnose the problem, and that will assist a qualified service technician in restoring the equipment to full
operation in the shortest possible time.
Problem
Probable Cause
Corrective Action
Burner does not light at all.
Pilot is not lit.
Light pilot.
Loose, dirty, or corroded terminals
on gas valve.
Clean and tighten terminals on gas
valve.
Loose, dirty, or corroded terminals
on thermostat.
Clean and tighten terminals on
thermostat.
Burner does not light all the way
around.
One or more burner orifices
clogged.
Turn gas valve knob to OFF
position. Use thin wire to clear
obstruction from burner orifices.
Blocked flue.
Clear blockage from flue.
Burner experiences delayed
ignition.
Too little make-up air in kitchen.
Adjust kitchen ventilation system to
increase make-up air.
Flame rolling out from under
noodle cooker.
Flue obstructed.
Remove obstruction from flue.
