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Troubleshooting
Problem
Pilot won't light
Pilot won't stay lit
Burner won't light
Light won't light
Burner flame is low
NOTE: Do not operate
heater below 0° F.
Carbon build-up
Thick black smoke from Blockage in burner or in light gas passages
burner or light
Mantles light but dim
out when heater is
turned on.
Pilot lights but Heater
flame is "lazy" or has
low output.
Service
• Repair to gas passages and associated components should be done only by a qualified service person.
• Owner repair & service should be limited and performed only to the
following:
- Mantle replacement
- Glass replacement
- Reflector replacement
Possible Cause
Cylinder valve is closed
Blockage in orifice or pilot tube
Air in gas line
Low gas pressure with Cylinder Valve
fully open
Igniter fails
Heater control knob not fully
depressed in pilot position when
lighting pilot
No spark at burner electrode
Dirt built up around pilot
Connection between gas valve and
pilot assembly is loose
Thermocouple is not operating
correctly
Gas pressure is low
Blockage in orifice
Control knob is not in ON position
Gas pressure is low
Blockage in orifice
Control knob is not in ON position
Igniter fails
Gas pressure is low
Outdoor temperature is less than 40° F
and tank is less than 1/4 full
Supply hose is bent or kinked
Control knob fully ON
Dirt or film on reflector and burner screen
Faulty Regulator (First insure cylinder
valve is fully open and that cylinder is
not empty)
Faulty Regulator (First insure cylinder
valve is fully open and that cylinder is
not empty)
Solution
Open valve
Clean or replace orifice or pilot tube
Pilot may take 1-2 minutes to light after a propane bottle
has been connected
Cylinder is empty. Replace cylinder
Use match to light pilot. Obtain new igniter and
replace
Depress heater control knob firmly in light position
when lighting pilot
Use match to light pilot. If wire to electrode is
damaged - replace with new wire and/or carbon
across spark gap
Clean dirt from around pilot
Tighten connection and perform leak check
Tighten all thermocouple connections. Replace
if faulty
Turn Cylinder valve OFF and replace cylinder
Clear blockage
Turn control knob to ON
Turn Cylinder valve OFF and replace cylinder
Clear blockage
Turn control knob to ON
Use match to light pilot. Obtain new igniter and
replace
Turn Cylinder valve OFF and replace cylinder
Use a full cylinder
Straighten hose
Check burner and orifices for blockage
Remove blockage from burner screen holes and clean
burner screen inside and outside
Remove blockage and clean burner inside and outside
Replace regulator
Replace regulator
13
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