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111826-04E
22
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.
POSSIBLE CAUSE
1. Switch in OFF position
(module gives long steady
beep)
2. Weak batteries
3. Ignitor electrode not con-
nected to ignitor cable
4. Ignitor cable pinched or
wet
5. Broken ignitor cable
6. Bad piezo ignitor
7. Ignitor electrode positioned
wrong or broken
8. Bad module
1. Gas supply turned off or
equipment shutoff valve
closed
2. Control knob not in ON
position
3. Air in gas lines when in-
stalled
4. Weak batteries
5. Depleted gas supply (pro-
pane/LP only)
6. ODS/pilot is clogged
7. Gas regulator setting is not
correct
8. Bad module
1. Inlet gas pressure is too
low
2. Wire disconnected from
gas control
3. Bad module
4. Burner orifice(s) clogged
OBSERVED PROBLEM
When
and
are pressed
at the same time, there is no
spark at ODS/pilot
When
and
are pressed,
there is spark at ODS/pilot but
no ignition
Burner does not light after
pilot is lit
REMEDY
1. Push switch on valve to "–"
position
2. Replace batteries
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 piezo ignitor
7. Replace pilot assembly
8. Replace module
1. Turn on gas supply or open
equipment shutoff valve
2. Turn control knob to ON
position
3. Continue holding down con-
trol knob. Repeat igniting op-
eration until air is removed
4. Replace batteries
5. Contact local propane/LP
gas company
6. Clean ODS/pilot (see
Cleaning and Maintenance
,
page 21) or replace ODS/
pilot assembly
7. Replace gas regulator
8. Replace module
1. Contact local natural or
propane/LP gas company
2. Reconnect leads (see
Wir-
ing Diagram
, page 27)
3. Replace module
4. Clean burner (see
Cleaning
and Maintenance
, page 21)
or replace burner orifice(s)