15
Maintenance
SERVICE
Only a qualified service person should repair gas passages and associated components.
Caution:
Always allow heater to cool before attempting service.
Troubleshooting
Problem
Cause
Solution
Pilot won’t light.
Cylinder valve is closed.
Open valve.
Blockage in orifice or pilot tube.
Clean or replace orifice or pilot
tube.
Air in gas line.
Open gas line and bleed it
(pressing control knob in) for not
more than 1 - 2 minutes or until
you smell gas.
Low gas pressure with cylinder valve
fully open.
Turn cylinder valve OFF and
replace cylinder.
Igniter fails.
Use match to light pilot; obtain
new igniter and replace.
Pilot won’t stay lit.
Dirt built up around pilot.
Clean dirt from around pilot.
Connection between gas valve and
pilot assembly is loose.
Tighten connection and perform
leak check.
Thermocouple is not operating
correctly.
Replace thermocouple.
Burner won’t light.
Propane cylinder is frosted over.
Wait until the propane cylinder
warms up and becomes unfrosted.
Blockage in orifice.
Clear blockage.
Control knob is not in ON position.
Turn control knob to ON.
Burner flame is low.
Gas pressure is low.
Turn cylinder valve OFF and
replace cylinder.
Outdoor temperature is less than
40ºF and tank is less than 1/4 full.
Use a full cylinder.
Control knob fully ON.
Check burner and orifices for
blockage.
Spiders and insects nest in burner or
orifices.
Clean burner and orifices.
Thick black smoke.
Blockage in burner.
Remove blockage and clean
burner inside and outside.