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TROUBLESHOOTING
24
TROUBLESHOOTING
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.
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
For more information, visit www.desatech.com
For more information, visit www.desatech.com
WARNING: Turn off and un-
plug heater and let cool before
servicing. Only a qualified ser-
vice person should service and
repair heater.
POSSIBLE CAUSE
1.
Ignitor electrode not connected 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 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.
Depleted gas supply
6.
ODS/pilot is clogged
7.
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.
Pilot flame not touching thermocouple,
which allows thermocouple to cool,
causing pilot flame to go out. This
problem could be caused by one or both
of the following:
A) Low gas pressure
B) Dirty or partially clogged ODS/pilot
5. Thermocouple connection loose at con-
trol valve
6.
Thermocouple damaged
7.
Control valve damaged
CAUTION: Never use a wire,
needle, or similar object to clean
ODS/pilot. This can damage ODS/
pilot unit.
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 ignitor 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 control knob.
Repeat igniting operation until air is
removed
5.
Contact local propane/LP gas company
6. Clean ODS/pilot (see Cleaning and
Maintenance, page 23) or replace ODS/
pilot assembly
7.
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.
A) Contact local propane/LP gas
company
B) Clean ODS/pilot (see Cleaning and
Maintenance, page 23) or replace ODS/
pilot assembly
5.
Hand tighten until snug, then tighten
1/4 turn more
6.
Replace pilot assembly
7.
Replace control valve
107124-01E
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