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Probable Cause
• Unit not level.
• Wrong orifice.
• Flue obstructed.
• Gas-to-air ratio incorrect.
• Burner ports obstructed.
• Temperature too high.
• Griddle not reseasoned after cleaning.
• Excessive carbon buildup on griddle.
• Valve lubricant dissipated.
• Valve core/plug scored.
• Dirt/debris in valve.
• Valve stem or knob rubbing on front panel.
• Wrong orifice.
• Gas-to-air ratio incorrect.
• Incorrect gas pressure.
• Vent in pressure regulator blocked.
• Pilot burner positioned incorrectly.
• Burner ports obstructed.
• Obstruction in venturi.
• Make-up air/drafts directed toward burner.
• Water or grease in burner.
• Pilot flame too big or too small.
Problem
Griddle will not heat evenly.
Product sticking to griddle.
Burner valves hard to turn.
Top burner will not light.
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