20
TROUBLESHOOTING, CONTINUED...
ODS/Pilot lights, but flame goes out
When control knob is released.
(continued from page 19)
One or both burner do not
light after ODS/pilot is lit.
Burner backfires during
combustion.
Slight smoke or odor during
initial operation.
Logs appear to smoke after
initial operation.
Heater produces a whistling
noise when burner is lit.
No gas to pilot.
Thermocouple connection loose at
control valve.
Pilot flame not touching thermocouple,
which allows thermocouple to cool,
causing pilot flame to go out. This
problem could be caused by either
low gas pressure, or a dirty or partially
clogged ODS/pilot.
Thermocouple damaged.
Control valve damaged.
Burner orifice is clogged.
Burner orifice diameter is too small.
Inlet gas pressure is too low.
Manifold pressure is too low.
Burner orifice is clogged.
Burner orifice is clogged or damaged.
Burner is damaged.
Gas regulator defective.
Vapors from paint or curing process
of logs.
Turning control knob to HIGH (3)
position when burner is cold.
Air in gas line.
Dirty or partially clogged burner
orifice.
LP-regulator shut down due to inlet
pressure too high.
Hand tighten until snug, then
tighten 1/4 turn more.
Contact local gas company.
Replace thermocouple.
Replace control valve.
Clean burner or replace burner
orifice.
Replace burner orifice.
Contact qualified service person.
Contact local gas company.
Clean burner or replace burner
orifice.
Clean burner or replace burner
orifice.
Replace burner.
Replace gas regulator.
Problem will stop after a few hours
of operation. Run the heater with
the damper open if you have one,
or open a window for the first few
hours.
Log heater is intended to be
smokeless. Turn OFF heater and
call qualified service person.
Turn control knob to LOW (2)
position and let warm up for a
minute.
Operate burner until air is removed
from line. Have gas line checked
by local gas company.
Clean burner or replace burner
orifice.
Verify LP tank regulator is
installed and set to 11" to 13"w.c.
Replace regulator on heater.
POSSIBLE CAUSE
OBSERVED PROBLEM
REMEDY
WARNING
If the gas quality is bad, your pilot may not stay lit, the burners may produce soot
and the heater may backfire when lit. If the gas quality or pressure is low, contact
your local gas supplier immediately.
