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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.
1. When ignitor button is pressed, there is no spark at
ODS/pilot.
a. Ignitor electrode positioned wrong - Replace pilot.
b. Ignitor electrode is broken - Replace pilot.
c. Ignitor electrode not connected to ignitor cable -
Reconnect ignitor cable.
d. Ignitor cable pinched or wet. Keep ignitor cable dry -
Free ignitor cable if pinched by any metal or tubing.
e. Broken ignitor cable - Replace ignitor cable.
f. Bad piezo ignitor - Replace piezo ignitor.
2. Appliance produces unwanted odors.
a. Appliance burning vapors from paint, hair spray, glues,
etc. - Ventilate room. Stop using odor causing products
while heater is running.
b. Gas leak - Locate and correct all leaks.
3. Appliance shuts off during use. (Pilot and main burner
are off.)
a. Not enough fresh air is available for ODS/pilot to
operate - Open window and/or door for ventilation.
b. Low line pressure - Contact local gas company.
c. ODS/pilot is partially clogged - Clean ODS/pilot.
d. Defective thermocouple - Replace pilot.
4. Appliance shuts off during use. (Pilot stays on.)
a. Low line pressure - Check line pressure to the
valve.
b. Defective thermopile - Check pilot flame, check wire
connections, output should be a minimum of 325
millivolts across. TH/TP and TP terminals with ON/
OFF switch off.
5. Gas odor even when control knob is in OFF
position.
a. Gas leak - Locate and correct all leaks.
b. Control valve defective - Replace control valve.
6. When ignitor button is pressed, there is spark at
ODS/pilot, but no ignition.
a. Gas supply turned off or manual shutoff valve closed
- Turn on gas supply or open manual shutoff valve.
b. Control knob not in PILOT position - Turn control knob
to PILOT position.
c. Control knob not pressed in while in PILOT position
- Press in control knob while in PILOT position.
d. Air in gas lines when installed - Continue holding
down control knob. Repeat igniting operation until air
is removed.
e. ODS/pilot is clogged - Replace ODS/pilot assembly
or get it serviced.
f. Gas regulator setting is not correct - Replace gas
regulator.
7. ODS/pilot lights but flame goes out when control
knob is released.
a. Control knob not fully pressed in - Press in control
knob fully.
b. Control knob not pressed in long enough - After
ODS/pilot lights, keep control knob pressed in 30
seconds.
c. Manual Shutoff valve not fully open - Fully open manual
shutoff valve.
d. Thermocouple connection loose at control valve - Hand
tighten until snug, then tighten 1/4 turn more.
e. 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 dirty or partially clogged ODS/pilot - Contact local
gas company.
f. Thermocouple damaged - Replace thermocouple.
g. Control valve damaged - Replace control valve.
8. Burner does not light after ODS/pilot is lit.
a. Burner orifice clogged - Clean burner or replace main
burner orifice.
b. Burner orifice diameter is too small - Replace burner
orifice.
c. Inlet gas pressure is too low - Contact qualified service
person.
9. If burning at main burner orifice occurs (a loud,
roaring blow torch noise).
a. You must turn off burner assembly and contact a
qualified service person.
b. Manifold pressure is too low - Contact local gas
company.
c. Burner orifice clogged - Clean burner or replace burner
orifice.
10. Logs appear to smoke after initial operation.
a. Vapors from paint or curing process of logs - 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.
11. Heater produces a whistling noise when main burner
is lit.
a. Turning control knob to HIGH position when main
burner is cold - Turn control knob to LOW position
and let warm up for a minute.
b. Air in gas line - Operate burner until air is removed from
line. Have gas line checked by local gas company.
c. Dirty or partially clogged burner orifice - Clean burner
or replace burner orifice.
12. No gas to pilot.
a. LP-regulator shut down due to inlet pressure too high
- Verify LP tank regulator is installed and set at 11" to
13" w.c. Replace regulator on heater.
Turn appliance OFF and allow to cool before servicing. Only a qualified service person should service and repair the heater.
MILLIVOLT AND HYDRAULIC TROUBLESHOOTING
SYMPTOMS - POSSIBLE CAUSES AND CORRECTIONS
