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www.desatech.com 111604-01E
24
TROUBLESHOOTING
Note:
All troubleshooting items
are listed in order of operation.
WARNING: Turn off 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.
POSSIBLE CAUSE
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 positioned
wrong
7. Ignitor electrode broken
1. Gas supply turned off or equip-
ment 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. Depleted gas supply (propane/
LP only)
6. ODS/pilot is clogged
7. Gas regulator setting is not
correct
REMEDY
1. Reconnect ignitor cable
2. Free ignitor cable if pinched
by any metal or tubing. Keep
ignitor cable dry
3. Tighten nut holding piezo igni-
tor to base panel of log set. Nut
is located behind base panel
4. Replace ignitor cable
5. Replace piezo ignitor
6. Replace pilot assembly
7. Replace pilot assembly
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 ODS/pilot (see Clean-
ing and Maintenance, page
23) or replace ODS/pilot as-
sembly
7. Replace gas regulator
OBSERVED PROBLEM
When ignitor button is pressed,
there is no spark at ODS/pilot
When ignitor button is pressed,
there is spark at ODS/pilot but no
ignition
Note:
For additional help,
visit DESA Heating Prod-
ucts’ technical service web
site at www.desatech.com.