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F35660
Rev. A (0717)
TROUBLESHOOTING
ALL MODELS
Symptoms
Possible Causes
No spark to ignite pilot gas, display lit.
1.
Drain valve switch open (alarm message displayed), or switch
malfunction.
2.
Shorted electrode, or an improper ground on ignitor/flame
sense.
3.
Ignitor cable open.
4.
Interconnecting wiring malfunction.
5.
Ignition Module malfunction.
Sparks, but gas does not ignite, display lit.
1.
Gas combination valve off or inoperative.
2.
Manual gas valve closed.
3.
Gas supply off, or insufficient gas pressure.
4.
High limit thermostat open.
5.
Interconnecting wiring malfunction.
6.
Ignition Module malfunction.
Gas pilot ignites, but will not maintain flame.
1.
Ignitor lead connections malfunction.
2.
Ignitor ground inoperative.
3.
Ignitor/flame sense misaligned or malfunction.
4.
Insufficient gas pressure.
5.
Incorrect polarity from transformer to Ignition Module.
Gas burners ignite, but will not maintain
flame.
1.
Gas pressure incorrect.
2.
Gas orifice obstructed or incorrect.
3.
Burner malfunction.
4.
Gas pilot malfunction.
Excessive or low heat.
1.
Incorrect temperature offset selected.
2.
Temperature probe malfunction.
3.
Gas pressure incorrect.
4.
Gas orifice obstructed or incorrect.
5.
Cooking control malfunction.
6.
Interface board malfunction.
Intermittent problems.
1.
High ambient temperatures.
2.
Wiring connections loose.
GR Series Gas Fryers with NCC Controls (formerly Tridelta / Built after 3/05) - TROUBLESHOOTING