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TROUBLESHOOTING
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.
OBSERVED PROBLEM
ODS/pilot lights, but flame
goes out when control knob is
released.
Burner does not light after ODS/
pilot is lit.
Burner backfires during combus-
tion.
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.
Blower does not work.
23D8036
POSSIBLE CAUSE
1. Control knob not fully pressed in.
2. Control knob not pressed in long enough.
3. Manual shutoff valve not fully open.
4. Thermocouple connection loose at control
valve.
5. 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.
6. Thermocouple damaged.
7. Control valve damaged.
1. Burner orifice is clogged.
2. Burner orifice diameter is too small.
3. Inlet gas pressure is too low.
1. Manifold pressure is too low.
2. Burner orifice is clogged.
1. Burner orifice is clogged or damaged.
2. Burner is damaged.
3. Gas regulator defective.
1. Vapors from paint or curing process of logs.
2. Vapors or smoke continue after heater is
run with damper or window open for several
hours.
1. Turning control knob to HIGH position when
burner is cold.
2. Air in gas line.
3. Dirty or partially clogged burner orifices.
1. LP-regulator shut down due to inlet pressure
too high.
1. Power cord not plugged in.
2. Loose wire connections.
3. Defective blower thermostat.
33ISDG Vent Free Gas Fireplace System
SOLUTION
1. Press in control knob fully.
2. After ODS/pilot lights, keep control
knob pressed in for 30 seconds.
3. Fully open manual shutoff valve.
4. Hand tighten thermocouple connection
until snug, then tighten 1/4 turn more.
5a.Contact local gas company.
5b.Clean pilot with vacuum cleaner.
6. Replace thermocouple.
7. Replace control valve.
1. Clean orifice.
2. Replace burner orifice.
3. Contact qualified service person.
1. Contact local gas company.
2. Clean burner or replace burner orifice.
1. Clean burner or replace burner orifice.
2. Replace burner.
3. Replace gas regulator.
1. 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.
2. Log heater is intended to be smoke-
less. Turn OFF heater and call qualified
service person.
1. Turn control knob to LOW position and
let warm up for a minute.
2. Operate burner until air is removed
from line. Have gas line checked by
local gas company.
3. Clean burner or replace burner orifice.
1. Verify LP tank regulator is installed and
set at 11" to 13" w.c.
2. Replace regulator on heater.
1. Plug power cord into junction box found
in lower access level.
2. Check wire connections, reconnect if
loose.
3. Replace thermostat.
27
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