Vulcan-Hart GH6C, ML-52168, ML-53146, ML-52144, GH60T Troubleshooting, Oven Problem Probable Causes

TROUBLESHOOTING
OVEN
PROBLEM	PROBABLE CAUSES
Too Much Bottom Heat	Insufficient heat input. (Call for Service)
	Overactive flue. (Call for Service)
Uneven Bake	Too low temperature.
	Improper operation.
Side Burning	Improper bypass setting. (Call for Service)
	Fluctuating gas pressure. (Call for Service)
Too Much Top Heat	Too high temperature.
	Faulty ventilation. (Call for Service)
	Excessive heat input. (Call for Service)
	Thermostat needs calibration. (Call for Service)
Uneven Bake - Side to Side	Range 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. (Call for Service)
	Range not level front to back.
	Door not closing properly. (Call for Service)
Dried-Out Products	Too low temperature.
	Too long baking time.
	Thermostat calibration. (Call for Service)
Pilot Outage	Gas supply not sufficient. (Call for Service)
	Pilot flame too low. (Call for Service)
	Restriction in pilot orifice. (Call for Service)
	Malfunctioning check valve. (Call for Service)
	CONVECTION OVEN MODELS ONLY:
	Cavity leaking. (Call for Service)
	Gasket problems. (Call for Service)
	Snorkel tube blocked.
	Blower running backward. (Call for Service)
Excessive Meat Shrinkage	Roasting temperature too high.
TOP BURNER OPERATION
PROBLEM	PROBABLE CAUSES
Improper Burner Combustion	Improper use, allowing improper ventilation.
Excessive Valve Handle Temperatures	Poor door fit. (Call for Service)
Sticking Top Burner Valves	Oven door left open.
Poor Ignition	Insufficient gas input. (Call for Service)
	Poor air-to-gas adjustment. (Call for Service)
	Restriction in pilot orifice. (Call for Service)
	Restriction in main burner ignition port. (Call for Service)
	Restriction in control valve. (Call for Service)
	Restriction in gas orifice. (Call for Service)

FORM 35634 (2-05) – 24 – PRINTED IN U.S.A.