Troubleshooting, Oven, TOP Burner Operation

SERVICE & PARTS H SERIES

TROUBLESHOOTING

PROBLEM	PROBABLE CAUSES
OVEN
TOO MUCH BOTTOM HEAT	INSUFFICIENT HEAT INPUT.
	OVERACTIVE FLUE.
UNEVEN BAKE	TOO LOW TEMPERATURE.
	IMPROPER OPERATION.
SIDE BURNING	IMPROPER BYPASS SETTING.
	FLUCTUATING GAS PRESSURE.

TOO MUCH TOP HEAT	TOO HIGH TEMPERATURE.
	FAULTY VENTILATION.
	EXCESSIVE HEAT INPUT.
	THERMOSTAT NEEDS CALIBRATION.

UNEVEN BAKE - SIDE TO SIDE	APPLIANCE NOT LEVEL SIDE TO SIDE.
	OVEN BURNER, BOTTOM OR BAFFLES
	IMPROPERLY INSTALLED.

PULLING TO EDGE OF PAN	WARPED PANS.
	OVEN NOT LEVEL.

UNEVEN BAKE - FRONT TO REAR	OVERACTIVE FLUE.
	UNIT NOT LEVEL, FRONT TO BACK.
	DOOR NOT CLOSING PROPERLY.

DRIED OUT PRODUCTS	TOO LOW TEMPERATURE.
	TOO LONG BAKING TIME.
	THERMOSTAT CALIBRATION.

PILOT OUTAGE	GAS SUPPLY NOT SUFFICIENT.
	PILOT FLAME TOO LOW.
	RESTRICTION IN PILOT ORIFICE.
	MALFUNCTIONING SAFETY VALVE.
	CONVECTION OVEN MODELS ONLY:
	CAVITY LEAKING.
	GASKET PROBLEMS.
	SNORKEL® TUBE BLOCKED.
	BLOWER RUNNING BACKWARDS.

EXCESSIVE MEAT SHRINKAGE	ROASTING TEMPERATURE TOO HIGH.

TOP BURNER OPERATION
IMPROPER BURNER COMBUSTION	IMPROPER USE, ALLOWING IMPROPER
EXCESSIVE VALVE HANDLE	VENTILATION.
TEMPERATURES	POOR DOOR FIT.
STICKING TOP BURNER VALVES	OVEN DOOR LEFT OPEN.

POOR IGNITION	INSUFFICIENT INPUT.
	POOR AIR-TO-GAS ADJUSTMENT.
	RESTRICTION IN PILOT ORIFICE.
	RESTRICTION IN MAIN BURNER IGNITION PORT.
	RESTRICTION IN CONTROL VALVE.
	RESTRICTION IN GAS ORIFICE.

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