TROUBLESHOOTING
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6
Problem
Burner won’t light
Burner won’t stay lit
Emitter glow is uneven
Possible Cause
• Control knob not in IGN/ON position
• Control knob not pressed in while
in IGN/ON position
• Air in the gas line
• Low gas pressure
• Burner orifice clogged
• Blockage in gas line
Ignitor did not spark:
• Ignitor cable not connected to ignitor
• Igniter electrode positioned wrong
• Ignitor electrode broken
• Ignitor wire pinched or broken
• Control knob not pressed in long
enough
• Burner flame not touching the
thermocouple
• Thermocouple damaged or
connection loose at gas control
• Bad gas valve
• Corrosion of thermocouple contact
• Bad thermocouple
• Tilt switch in trip angle/OFF position
• Heater not level
• Burner tilted
What To Do
• Turn control knob to IGN/ON position
• Press in control knob while in IGN/ON
position
• Purge gas lines and repeat ignition
operation.
• Replace cylinder
• Clean burner orifice
• Service by a qualified service
technician
• Connect cable to ignitor
• Correct electrode position
• Replace electrode
• Free ignitor cable, if damaged
replace the assembly
• After burner lights, keep control knob
pressed in for 60 seconds
• Clean pilot assembly
• Tighten connection or replace
thermocouple
•
Service by qualified service technician
• Clean thermocouple contact
•
Service by qualified service technician
• Reset tilt switch reset angle/On
position by tilting heater
• Level heater
• Go to burner removal & installation
procedure. Straighten burner