www.desatech.com
112471-01B
26
TROUbLESHOOTING
WARNING: Turn off and unplug 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
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
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 or 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 in
-
stalled
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 ig
-
nitor to base panel of log set. Nut
is located behind base panel
4. Replace ignitor cable
5. Replace piezo ignitor
6. Replace pilot assembly for
remote-ready units; Replace
ignitor electrode for variable
manually controlled units
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
Cleaning
and Maintenance,
page 24) or
replace ODS/pilot assembly
7. Replace gas regulator
