17
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
CORRECTIVE
ACTION
Pilot won’t light
Note: Heater operates at
reduced efficiency below
40ºF (5ºC)
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
Carbon build-up
Dirt or film on reflector and
burner screen
Clean reflector and burner
screen
Thick black smoke
Remove blockage and clean
burner inside and outside
