Vulcan-Hart ML-044969, ML-044937, ML-044936 Troubleshooting, Problem, Probable Cause, Gas odor

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Gas odor.

 

TROUBLESHOOTING

 

 

Problem

Probable Cause

Gas odor.

• One or more pilots not lit.

 

• Quick disconnect fitting not properly engaged.

 

• A burner is not on the orifice fitting properly.

 

• Poor combustion on one or more burners.

 

• A burner is not completely lighting.

 

• Loose and/or broken gas line or fitting.

 

• Leak in gas connector hose.

 

• Pressure regulator ruptured.

Oven pilot will not light (standard oven).

Air not purged from gas lines.

Red button not depressed long enough.

Pilot orifice clogged.

Incorrect pilot orifice.

Excessive air movement in pilot area.

Failed safety valve.

Failed thermocouple.

Oven pilot will not light (with spark ignition).

Failed spark module.

 

• Broken or deteriorated spark wire.

 

Door seal missing.

 

• Snorkel tube loose or missing.

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Contents IMPORTANT FOR YOUR SAFETY SERVICE AND PARTS MANUALSIGNATURE SERIES VULCAN-HART COMPANY Snorkel Oven and/or Electric Ignition Oven with KX Thermostat TABLE OF CONTENTSINTRODUCTION Service NotesProduct Features and Descriptions Product Features and Descriptions Cont INSTALLATION REQUIREMENTS UNCRATING/SETUPGAS CONNECTIONS GAS PRESSURE REQUIREMENTSInstallation Requirements Cont Steps GAS PRESSURE CHECK PROCEDURESVENTILATION REQUIREMENTS DIAGRAM #1 DIAGRAM #3 PILOT ADJUSTMENTSDIAGRAM #2 DIAGRAM #4DIAGRAM #5 BURNER ADJUSTMENTSBATTERY INSTALLATION DIAGRAM #6 DIAGRAM #7 DIAGRAM #8 THERMOSTATS DIAGRAM #10 DIAGRAM #9CALIBRATION OF THERMOSTATS Standard Oven with FDTO ThermostatSnorkel Oven and/or Electric Ignition Oven with KX Thermostat Griddles with BJWA Thermostat BYPASS SCREW CALIBRATION SCREW DIAGRAM #11 DIAGRAM #12Spark System OVEN ELECTRIC IGNITION SYSTEMSSIGNATURE OVEN W/SPARK PILOT DIAGRAM #13DIAGRAM #14 SIGNATURE CONVECTION OVENW/ELECTRIC IGNITION SIGNATURE OVEN W/ELECTRIC IGNITION DIAGRAM #15DIAGRAM #16 BRASS VALVESVALVE DIAGRAM #17 DOORS, DOOR SEALS, HINGES AND COUNTERWEIGHTSDIAGRAM #18 DIAGRAM #19ORIFICE, NAT BURNERAll sizes are rated for sea level ORIFICE, LPCLEANING PROCEDURES Cleaning Tips SCHEDULED MAINTENANCE Recommended Service FrequencyInspection Items TROUBLESHOOTING ProblemProbable Cause Griddle will not heat evenly Product sticking to griddle TROUBLESHOOTING Gas odor Charbroiler will not heat evenly Repeated component failure Stainless steel turning blue Stainless steel turning brown Standard Burners PARTSStandard Burner Parts 426745-1KNOB CONTROL Hot Tops/Fry Tops Hot Tops/Fry Tops Parts 426745-1KNOB CONTROL French Top French Top Parts 426745-1KNOB CONTROL Convection Oven Standard Oven788278A 788276PANEL Oven PartsControl System Convection Oven Control System Standard Oven S TYPE Control System Parts ListBody Parts/Shelves Risers 788382A Body Parts/Shelves Risers Parts List 788382A1 788382A2 788382A3Riser Kit Without Shelf P/N 788266A Riser Kit With Single Shelf P/N 788365A Double Deck Riser Kit Without Shelves P/N 788368A Double Deck Riser Kit With Shelves P/N 788368A FORM 31203 Rev. A March