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33ISDG Vent Free Gas Fireplace System
Turn appliance OFF and allow to cool before
servicing. Only a qualified service person
should service and repair the heater.
OBSERVED PROBLEM
When ignitor button is pressed,
there is no spark at ODS/pilot.
Appliance produces unwanted
odors.
Appliance shuts off during use.
Gas odor even when control knob
is in OFF position.
When ignitor button is pressed,
there is spark at ODS pilot, but
no ignition.
26
NOTE: All troubleshooting items are listed in order of operation.
POSSIBLE CAUSE
1. Ignitor electrode positioned wrong.
2. Ignitor electrode is broken.
3. Ignitor electrode not connected to ignitor
cable.
4. Ignitor cable pinched or wet. Keep ignitor
cable dry.
5. Broken ignitor cable.
6. Bad piezo ignitor.
1. Appliance burning vapors from paint, hair
spray, glues, etc.
2. Gas leak.
3. Initial burn off.
1. Not enough fresh air is available for ODS/
pilot to operate.
2. Low line pressure.
3. ODS/pilot is partially clogged.
4. Defective Thermopile.
5. Restrictions in incoming air flow.
1. Gas leak.
2. Control valve defective.
1. Gas supply turned off or manual shutoff
valve closed.
2. Control knob not in PILOT position.
3. Control knob not pressed in while in PILOT
position.
4. Air in gas lines when installed.
5. ODS/pilot is clogged.
6. Gas regulator setting is not correct.
TROUBLESHOOTING
SOLUTION
1 Replace ignitor.
2. Replace ignitor.
3. Reconnect ignitor cable.
4. Free ignitor cable if pinched by any
metal or tubing.
5. Replace ignitor cable.
6. Replace piezo ignitor.
1. Ventilate room. Stop using odor caus-
ing products while heater is running.
2. Locate and correct all leaks.
3. Ventilate room and turn unit on high
until odor is gone. Odor should be gone
after 6 hours of continuous use.
1. Open window and/or door for ventila-
tion.
2. Contact local gas company.
3. Clean ODS/pilot.
4. Check pilot flame, check wire connec-
tions, check output, should be 325 mil-
livolts across TH/TP and TP Terminals
with ON/OFF switches off.
5. Check for bottom riser on glass door,
sunken fireplace, excessive lava rock/
cinders densely packed against grate.
1. Locate and correct all leaks.
2. Replace control valve.
1. Turn on gas supply or open manual
shutoff valve.
2. Turn control knob to PILOT position.
3. Press in control knob while in PILOT
position.
4. Continue holding down control knob.
Repeat igniting operation until air is
removed.
5. Replace ODS/pilot assembly or get it
serviced.
6. Replace gas regulator.
23D8036
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