www.desatech.com
117437-01D26
TROUBLESHOOTING
WARNING: Turn off heater and let cool before servicing. Only a
qualied 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.
The two most common causes of a malfunctioning gas appliance are:
1. Loose wiring connections
POSSIBLE CAUSE
1. Ignitor electrode not con-
nected to ignitor cable
2. Ignitor cable pinched or
wet
4. Broken ignitor cable
6. Ignitor electrode positioned
wrong
7. Ignitor electrode broken
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
OBSERVED PROBLEM
Manual Ignition System
Only When ignitor button is
ODS/pilot
Manual Ignition System Only
there is spark at ODS/pilot but
no ignition
REMEDY
1. Reconnect ignitor cable
2. Free ignitor cable if pinched
by any metal or tubing.
Keep ignitor cable dry
3.
ignitor to base panel of log
set. Nut is located behind
base panel.
4. Replace ignitor cable
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 ignit-
ing operation until air is
removed
5. Contact local propane/LP
gas company
6. Clean ODS/pilot (see Clean-
ing and Maintenance
24) or replace ODS/pilot
assembly
7. Replace gas regulator