GRA SERIES GAS FRYERS - TROUBLESHOOTING
TROUBLESHOOTING
ALL MODELS
SYMPTOMS
POSSIBLE CAUSES
No spark to ignite pilot gas.
1.
Drain valve switch open 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.
1.
Service gas valve closed.
2.
Gas supply off or insufficient gas pressure.
3.
Gas supply quick disconnect coupling not properly mated.
4.
Gas combination valve off or inoperative.
5.
High limit thermostat open.
6.
Interconnecting wiring malfunction.
7.
Ignition Module malfunction.
Gas pilot ignites but will not maintain flame.
1.
Ignitor ground inoperative.
2.
Ignitor/flame sense misaligned or malfunction.
3.
Insufficient gas pressure.
4.
Ignition module malfunction.
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.
Cooking controls need calibrated.
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.
No power to cooking control, fryer does not
heat.
1.
Power switch off or malfunction.
2.
Transformer inoperative.
3.
Interconnecting wiring malfunction.
High limit thermostat shutting off gas burners.
1.
Shortening level below minimum fill line.
2.
Probe malfunction.
3.
Cooking control malfunction.
4.
High limit thermostat malfunction.
Excessive time to melt shortening
(more than 45 minutes).
1.
Insufficient gas pressure.
2.
Gas orifice plugged or obstructed.
3.
Probe malfunction.
4.
Cooking control malfunction.
F25377 (March 2010)
Page 31 of 36
