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107156-01E
For more information, visit www.desatech.com
For more information, visit www.desatech.com
20
POSSIBLE CAUSE
1. Ignitor electrode not connected to igni-
tor cable
2. Piezo ignitor nut is loose
3. Ignitor cable pinched or wet
4. Broken ignitor cable
5. Bad piezo ignitor
6. Ignitor electrode broken
7. Ignitor electrode positioned wrong
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 installed
5. ODS/pilot is clogged
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 con-
trol valve
5. Pilot flame not touching thermocouple,
which allows thermocouple to cool,
causing pilot flame to go out. This prob-
lem 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
8. On thermostat models, safety interlock
system has been triggered
REMEDY
1. Reconnect ignitor cable
2. Tighten nut holding piezo ignitor to base
panel of log set. Nut is located behind
base panel
3. Free ignitor cable if pinched by any
metal or tubing. Keep ignitor cable dry
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 control knob.
Repeat igniting operation until air is
removed
5. Clean ODS/pilot (see Cleaning and
Maintenance, page 19) or replace ODS/
pilot assembly
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 propane/LP gas company
B) Clean ODS/pilot (see Cleaning and
Maintenance, page 19) or replace ODS/
pilot assembly
6. Replace pilot assembly
7. Replace control valve
8. Wait one minute for safety interlock sys-
tem to reset. Repeat ignition 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
ODS/pilot lights but flame goes out when
control knob is released
TROUBLESHOOTING
WARNING: Turn off fireplace
and let cool before servicing. Only
a qualified service person should
service and repair fireplace.
CAUTION: Never use a wire,
needle, or similar object to clean
ODS/pilot. This can damage ODS/
pilot unit.
Note:
For additional help, visit DESA
International’s technical service web site
at www.desatech.com.
Note:
All troubleshooting items are listed in
order of operation.
TROUBLESHOOTING