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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.
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
24
TROUBLESHOOTING
POSSIBLE CAUSE
1. Ignitor electrode not con-
nected to ignitor cable
2. Ignitor cable pinched or
wet
3. Broken ignitor cable
4. Bad battery
5. Ignitor electrode broken
6. Battery not installed, bat-
tery power low or battery
not installed correctly
7. Ignitor electrode posi-
tioned 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 in-
stalled
5. Depleted gas supply (pro-
pane/LP only)
6. ODS/pilot is clogged
7. Gas regulator setting is
not correct
www.desatech.com
REMEDY
1. Reconnect ignitor cable
2. Free ignitor cable if pinched
by any metal or tubing.
Keep ignitor cable dry
3. Replace ignitor cable
4. Replace battery
5. Replace pilot assembly
6. Install new alkaline battery
in electronic ignitor. Verify
battery is installed correctly
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 ignit-
ing operation until air is
removed
5. Contact local propane/LP
gas company
6. C l e a n O D S / p i l o t ( s e e
Cleaning and Maintenance,
page 23) or replace ODS/
pilot assembly
7. Replace gas control
119921-01F
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