Desa CGCDV36PR - Manual (Page 33)

www.desatech.com 116200-01L 33
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
pilot. This can damage pilot unit.
Note: All troubleshooting items are listed in order of operation.
POSSIBLE CAUSE
1. Ignitor electrode not con-
nected 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. Gas control knob not in
PILOT position
3. Gas control knob not
pressed in while in PILOT
position
4. Air in gas lines when in-
stalled
5. Depleted gas supply (pro-
pane/LP models only)
6. Pilot is clogged
7. Gas regulator setting is not
correct
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 ig-
nitor. Nut is located behind
the mounting bracket
4. Replace ignitor cable
5. Replace piezo ignitor
6. Replace pilot assembly
7. Tighten electrode. Replace
if necessary
1. Turn on gas supply or open
equipment shutoff valve
2. Turn gas control knob to
PILOT position
3. Press in gas 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 pilot (see Cleaning
and Maintenance, page 31)
or replace pilot assembly
7. Replace gas regulator
OBSERVED PROBLEM
When ignitor button is pressed,
there is no spark at pilot
When ignitor button is pressed,
there is spark at pilot but no
ignition