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Installation Instructions and Owner’s Manual
Unvented Natural Gas Fired Room Heater
TROUBLESHOOTING
NOTE: All troubleshooting items are listed in order of operation and likely occurrence.
WARNING: Only a qualied service person should service and repair heater.
CAUTION: Never use a wire needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit.
Make sure grille guard is in place before running heater. If screen or grille guard is removed for servicing it must be
replaced prior to operating the heater.
OBSERVED SYMPTOM POSSIBLE CAUSE REMEDY
1. Ignitor electrode positioned wrong.
2. ignitor electrode is broken.
3. Ignitor electrode not connected to ignitor.
4. Ignitor cable pinched or wet.
5. Broken ignitor cable.
6. Bad Piezo ignitor.
7. Low Battery.
1. Gas supply turned off or equipment shut-
off valve closed.
2. Control knob not fully pressed in while
pressing ignition button.
3. Air in gas line when installed.
4. ODS/pilot is clogged.
5. Gas regulator setting is not correct
6. Control knob not in pilot position
1. Control knob not fully pressed in.
2. Control knob not pressed in long enough
3. Equipment shutoff valve not fully open
4. Thermocouple connection loose at con-
trol valve
5. Pilot ame not touching thermocouple,
which allows thermocouple to cool, caus-
ing pilot ame to go out. This problem
could be caused by one or both of the
following:
a. Low gas pressure
b. Dirty or partially clogged ODS/pilot
6. Thermocouple damaged
7. Control valve damaged
1. Burner orice is clogged
2. Burner orice diameter to small
3. Inlet gas pressure is too low
1. Manifold pressure is too low
2. Burner orice is clogged
When ignitor button is pressed
in, there is no spark at pilot
ODS/pilot lights but ame
goes out when control knob is
released
When ignitor button is pressed
in, there is a spark at the ODS/
pilot but no ignition
Burner does not light after
ODS/pilot is lit
1. Reposition electrode
2. Replace electrode
3. Reconnect ignitor cable
4. Free ignitor cable if pinched by any metal
or tubing. Keep ignitor cable dry.
5. Replace ignitor cable
6. Replace control valve (Piezo is part of
control valve on 10K units).
7. Replace battery
1. Turn on gas supply turn off or open equip-
ment shutoff valve closed
2. Fully press in control knob while pressing
ignition button
3. Continue holding down control knob. Re-
peat ignition operation until air is removed.
4. Clean ODS/pilot (see Cleaning and Main-
tenance page 13).
5. Replace gas regulator
6. Turn Control knob to pilot position
1. Press in control knob fully
2. After ODS/pilot lights, keep control knob
pressed in for 30 seconds
3. Fully open equipment shutoff valve
4. Hand tighten thermocouple nut until snug,
and then tighten 1/4 turn more.
5. -
a. Contact local gas company
b. Clean ODS/pilot (see Cleaning and
Maintenance, page ?).
6. Replace thermocouple
7. Replace Control valve.
1. Clean burner orice (see Cleaning and
Maintenance on page 13), or replace
burner orice
2. Replace burner orice
3. Contact local gas company
1. Contact local gas company
2. Clean burner orice (see Cleaning and
Maintenance on page 13), or replace
burner orice
Delayed ignition of burner