APW Wyott GGT-24H warranty Troubleshooting Guide, Problem, Possible Cause

7. TROUBLESHOOTING GUIDE

	PROBLEM	POSSIBLE CAUSE
	Heat does not come on when	Thermostat is bad.
	thermostat is turned on.	Pilot burner not lit.
		Gas valve is bad.
	Pilot burner will not light.	Obstructed pilot orifice.
		Pilot gas turned off at automatic pilot.
		Automatic pilot valve is bad.
	Pilot burner will not stay lit.	Thermocouple is bad.
		Thermocouple is not hot enough.
		Obstructed or wrong size pilot orifice.
		Gas supply is not purged of air.
		Air is blowing pilot light out.
		Automatic pilot valve is bad.
	Fat appears to smoke	Heat is set too high.
	excessively.	Moisture in the food may be turning into steam.
	Food sticks to griddle.	Heat is set too high.
		Griddle surface needs cleaning and/or seasoning.
		Surface under food may not have been covered with enough
		cooking oil.
	Food burned around edges or	Heat is set too high.
	contains dark specks.	Griddle surface needs cleaning and/or seasoning.
		Surface under food may not have been covered with enough
		cooking oil.
	Food is undercooked inside.	Heat is set too high.
		Food may not have been cooked for long enough time.
	Food tastes greasy or has	Food itself may have off flavor.
	objectionable off-flavor.	Food may have been stored improperly before cooking.
		Too much griddle fat used.
		Heat is set too low.
	Noticeable build-up of gum on	Heat is set too high
	griddle.	Griddle surface needs cleaning and/or seasoning.
		Too much griddle fat used.
	VALVE DIAGRAM GGT-24 TYPICAL 29VALVES, GGT-36 TYPICAL 3 VALVES
		EXISTING		THERMOPILE
		WIRE
		2	EXISTING JUMPER WIRE
				TO SAFETY MAGNET
1		TH TP

TP

TH

THERMOSTAT

EXISTING

WIRE