TROUBLE SHOOTING
Problem Possible Causes Correction
Purge gas line and repeat ignition operation
Check gas pressure
Check gas passage way
Reset the Heater keep in vertical position
Replace thermocouple
Clean thermocouple contact
Wait a minute repeat ignition operation
Replace gas valve
Tighten connection or replace thermocouple
Contact a qualified service person
Check gas supply pressure
Clean burner inside and outside
Turn control knob to ‘HIGH’ position
Air in gas line
Low gas pressure
Blockage in gas line
Tilt switch in trip angle/OFF position
Bad thermocouple
Corrosion of thermocouple contact
Safety interlock is triggered
Bad gas valve
Thermocouple connection loose at gas
control or damaged
Pilot flame not touching the
thermocouple
Low gas pressure
Blockage in burner
Control knob not in ‘HIGH’ position
Pilot won’t
light
Pilot won’t
stay lit
Main burner
won’t light
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