Desa (V)K36N - Manual (Page 25)

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PILOT AND bURNERS
• Remove ember material before cleaning burners and replace
when cleaning is complete.
• Burner and controls should be cleaned with compressed air to
remove dust, dirt, or lint.
• Use a vacuum cleaner or small, soft bristled brush to remove
excess dust, dirt, or lint.
LOGS
• If you remove logs for cleaning, refer to Installing Logs, Lava
Rock, and Glowing Embers, page 20, to properly replace logs.
• Use a vacuum cleaner to remove any carbon buildup on logs.
• Replace log(s) if broken. See Replacement Parts on page 28.
• Replace ember material periodically as needed. See Replacement
Parts on page 28.
CLEANING AND
MAINTENANCE
Continued
TROUbLEShOOTING
Note: All troubleshooting items are listed in order of operation.
WARNING: Turn off heater and let cool before ser-
vicing. 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.
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. Gas control knob not in PILOT posi-
tion
3. Gas control knob not pressed in while in
PILOT position
4. Air in gas lines when installed
5. Depleted gas supply (propane/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 ignitor. Nut is
located behind the mounting bracket
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 gas control knob to PILOT posi-
tion
3. Press in gas 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 pilot (see Cleaning and Mainte-
nance, page 24) or replace pilot assembly
7. Replace gas control
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
VENTING SYSTEM
Conduct annual inspection of the venting system following these
guidelines:
1. Check areas of venting system that are exposed to the weather
for corrosion (rust spots or streaks and, in extreme cases, holes).
Have these items replaced immediately by a qualified service
person.
2. Remove the vent cap and shine a flashlight into the vent. Re-
move any foreign material.
3. Check for evidence of excessive condensation. Continuous
condensation can cause corrosion of caps, pipes, and fittings
and can be caused by having excessive lateral runs, too many
elbows, or exterior portions of the system being exposed to
cold weather.
4. Inspect joints to verify that no pipe section or fitting has been
disturbed and loosened. Check mechanical supports such as
wall straps for rigidity.