TROUBLESHOOTING
TROUBLESHOOTING
SYMPTOMS
POSSIBLE CAUSES
No spark to ignite pilot gas.
1.
Power cord unplugged.
2.
Igniter switch malfunction.
3.
Shorted electrode on ignitor.
4.
Ignitor cable malfunction.
5.
Interconnecting wiring malfunction.
6.
Electric Igniter Module malfunction.
Sparks but gas does not ignite.
1.
Service gas valve closed.
2.
Gas supply not purged of air. Depress pilot safety button until
air is purged.
3.
Gas supply off or insufficient gas pressure.
4.
Adjust pilot valve to allow more gas flow.
5.
Safety valve malfunction.
Gas pilot ignites but will not maintain flame.
1.
Air blowing pilot out. Prevent air flow from affecting unit.
2.
Gas supply not purged of air. Depress pilot safety button until
air is purged.
3.
Adjust pilot valve to allow more gas flow.
4.
Thermocouple not sufficiently immersed in flame. Adjust
accordingly.
5.
Thermocouple malfunction. Refer to THERMOCOUPLE TEST.
6.
Obstructed pilot orifice.
7.
Insufficient gas pressure.
8.
Safety valve malfunction.
Gas burners ignite but will not maintain flame.
1.
Gas pressure incorrect or fluctuating.
2.
Obstructed flue.
3.
Gas orifice obstructed, improperly aligned / spaced, or
incorrect.
4.
Burner malfunction.
One or more burners have lower flame level than
the others.
1.
Check gas pressure.
2.
External air flow or vent hood problems may agitate affected
burners.
3.
Gas orifice obstructed, improperly aligned / spaced, or
incorrect.
4.
Adjust burner air shutter.
One burner has a delayed ignition; a several
second lapse when the burner actually lights.
1.
Check gas pressure.
2.
Check that burner is properly seated.
3.
Check that burner ignition ports, pilot flash tube and pilot burner
are all aligned.
4.
Gas orifice obstructed, improperly aligned / spaced, or
incorrect.
5.
Check burner shutter adjustment.
6.
Check pilot flame adjustment.
Excessive or low heat.
1.
Gas shut off valve not completely open.
2.
Thermostats need calibrated. See CALIBRATION section.
3.
Thermostat malfunction.
4.
Gas pressure incorrect.
5.
Unit's gas
regulator
not installed or malfunctioning.
6.
Incorrect gas type.
7.
Gas orifice obstructed or incorrect.
Heat does not come on when the thermostat
is turned on.
1.
Pilot burner not lit.
2.
Griddle shut-off valve not in ON position.
3.
Low gas pressure.
4.
Thermostat malfunction.
F25383 (510)
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