www.fmiproducts.com
112127-01E
24
TROUBLESHOOTING
WARNING: Turn off heater and let cool before servicing. Only a
qualified 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.
Note: All troubleshooting items are listed in order of operation.
OBSERVED PROBLEM POSSIBLE CAUSE
REMEDY
When ignitor button is
pressed, there is no spark
at pilot.
1. Ignitor electrode not con-
nected to ignitor cable.
2. Ignitor cable pinched or
wet.
3. Piezo ignitor nut is loose.
4. Broken ignitor cable.
5. Bad piezo ignitor.
6. Ignitor electrode broken.
7. Ignitor electrode positioned
wrong.
1. Reconnect ignitor cable.
2. Free ignitor cable if pinched
by any metal or tubing. Keep
ignitor cable dry.
3. Tighten nut holding piezo
ignitor. Nut is located behind
the mounting bracket.
4. Replace ignitor cable.
5. Replace piezo ignitor.
6. Replace pilot assembly.
7. Replace pilot assembly.
When ignitor button is
pressed, there is spark at
pilot but no ignition.
1. Gas supply turned off or
equipment 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 in-
stalled.
5. Depleted gas supply (pro-
pane/LP models only).
6. Pilot is clogged.
7. Gas regulator setting is not
correct.
1. Turn on gas supply or open
equipment shutoff valve.
2. Turn control knob to PILOT
position.
3. Press in control knob while in
PILOT position.
4. Continue holding down con-
trol knob. Repeat igniting op-
eration until air is removed.
5. Contact local propane/LP gas
company.
6. Clean pilot (see
Cleaning and
Maintenance
, page 22) or
replace pilot assembly.
7. Replace gas control.
