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Note: All troubleshooting items
are listed in order of operation.
OBSERVED PROBLEM
When ignitor button is
pressed in, there is no spark
at ODS/pilot.
ODS/pilot lights but flame
goes out when control knob
is released.
When ignitor button is
pressed in, there is a spark
at ODS/pilot but no ignition.
TROUBLESHOOTING
WARNING: Only a qualified
service person should service
and repair heater.
POSSIBLE CAUSE
1.
Ignitor electrode positioned wrong.
2.
Ignitor electrode broken.
3.
Ignitor electrode not connected to
ignitor cable.
4.
Ignitor cable pinched or wet.
5.
Broken ignitor cable.
6.
Bad piezo ignitor.
7.
Piezo ignitor nut is loose.
1.
Gas supply turned off or equip-
ment shutoff valve closed.
2.
Control knob not fully pressed in
while pressing ignitor button.
3.
Air in gas lines when installed.
4.
ODS/pilot is clogged.
5.
Control knob not in pilot position.
6.
Gas regulator setting is not
correct.
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
control valve.
5. Pilot flame not touching
thermocouple, which allows
thermocouple.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.
21
CAUTION: Never use a wire,
needle, or similar object to clean
ODS/pilot. This can damage ODS/
pilot unit.
REMEDY
1. Replace electroder.
2. Replace electroder.
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 (ignitor on
HLA, TLA , valve on MVA).
7. Tighten nut holding piezo ignitor
to base panel of log set. Nut is
located behind base panel.
1. Turn on gas supply or open
equipment shutoff valve.
2. Fully press in control knob while
pressing ignitor button.
3. Continue holding down control
knob. Repeat igniting operation
until air is removed.
4. Clean ODS/pilot (see Cleaning
and
Maintenance pages 19 and
20). or replace ODS/pilot assembly
5. Turn control knob to pilot
position.
6. Replace gas regulator.
1. Press in control knob fully.
2. After ODS/pilot lights, keep
control knob pressed in 30
seconds.
3. Fully open equipment shutoff
valve
4. Hand tighten until snug, then
tighten 1/4 turn more.
5. A)Contact local natural or pro
pane/LP gas company.
B) Clean ODS/pilot (see Cleaning
and Maintenance pages 19 and
20), or replace ODS/pilot
assembly.
6. Replace thermocouple.
7. Replace control valve.
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