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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.