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107569
UNVENTED NATURAL GAS FIREPLACE
For more information, visit www.desatech.com
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.
POSSIBLE CAUSE
1. Battery in remote control is either miss-
ing or has low power
2. Remote control is not pointed toward
fireplace
3. Manual ignition bypass switch not in
OFF position
4. No power available to fireplace
5. Ignitor electrode not connected to igni-
tor cable
6. Broken ignitor cable
7. Ignitor electrode broken
8. Ignitor electrode positioned wrong
1. No power available to fireplace
2. Manual ignition bypass switch not in
OFF position
3. Wall switch wire harness is disconnected
1. Burner orifice clogged
2. Inlet gas pressure is too low
3. Burner orifice diameter is too small
1. Manifold pressure is too low
2. Burner orifice clogged
1. Burner orifice is clogged or damaged
2. Damaged burner
3. Gas regulator defective
1. Not enough air
2. Gas regulator defective
3. Residues from manufacturing processes
and logs curing
1. Not enough combustion/ventilation air
REMEDY
1. Replace battery in remote control
2. Point remote control toward lower front
panel of fireplace when operating
3. Place manual ignition bypass switch in
OFF position
4. Make sure power cord is plugged into
electrical outlet and outlet has power
5. Reconnect ignitor cable
6. Replace ignitor cable
7. Replace electrode
8. Replace ODS pilot
1. Make sure power cord is plugged into
an electrical outlet and outlet has power
2. Place manual ignition bypass switch in
OFF position
3. Check continuity of wall switch wire
harness. Make sure plug on wall switch
wire harness is fully inserted into socket
on circuit board in fireplace. Replace if
necessary
1. Clean burner (see Cleaning and Mainte-
nance, page 23) or replace burner orifice
2. Contact local natural gas company
3. Replace burner orifice
1. Contact local natural gas company
2. Clean burner (see Cleaning and Mainte-
nance, page 23) or replace burner orifice
1. Clean burner (see Cleaning and Mainte-
nance, page 23) or replace burner orifice
2. Replace damaged burner
3. Replace gas control
1. Check burner for dirt and debris. If
found, clean burner (see Cleaning and
Maintenance, page 23)
2. Replace gas control
3. Problem will stop after a few hours of
operation
1. Refer to Air for Combustion and Venti-
lation requirements (page 4)
OBSERVED PROBLEM
When buttons on remote control are pressed,
there is no response from fireplace
When wall switch button is pressed, there is
no response from fireplace
Burner does not light after ODS/pilot is lit
Delayed ignition burner
Burner backfiring during combustion
Slight smoke or odor during initial operation
Moisture/condensation noticed on windows
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.
www.desatech.com