Cleaning And Maintenance; Troubleshooting - Desa Comfort Glow CGN18R Owner's Operation And Installation Manual

CLEANING
AND
MAINTENANCE
TROUBLE-
SHOOTING
Note: All troubleshooting
items are listed in order of
operation.
22
Turn off heater and let cool before cleaning.
You must keep control areas, burner, and circulating air
passageways of heater clean. Inspect these areas of heater before
each use. Have heater inspected yearly by a qualified service
person. Heater may need more frequent cleaning due to excessive
lint from carpeting, bedding material, etc.
ODS/PILOT AND BURNER ORIFICE
• Use a vacuum cleaner, pressurized air, or small, soft bristled brush to clean.
CABINET
Air Passageways
• Use a vacuum cleaner or pressurized air to clean.
Exterior
• Use a soft cloth dampened with a mild soap and water mixture. Wipe the
cabinet to remove dust.
Turn off and unplug heater and let cool before servicing. Only a
qualified service person should service and repair heater.
Never use a wire, needle, or similar object to clean ODS/pilot. This
can damage ODS/pilot unit.
OBSERVED POSSIBLE
PROBLEM CAUSE
When control knob is 1. Ignitor electrode posi-
pressed in and turned
to the PILOT/IGN 2. Ignitor electrode broken
position, there is no 3. Ignitor electrode not
spark at ODS/pilot
4. Ignitor cable pinched or
5. Broken ignitor cable
6. Bad piezo ignitor
WARNING
WARNING ICON G 001
CAUTION
WARNING ICON G 001
WARNING
WARNING ICON G 001
CAUTION
WARNING ICON G 001
tioned wrong
connected to ignitor
cable
wet
REMEDY
1. Replace ignitor
2. Replace ignitor
3. Reconnect ignitor cable
4. Free ignitor cable if
pinched by any metal or
tubing. Keep ignitor
cable dry
5. Replace ignitor cable
6. Replace control valve
(piezo is part of control
valve)
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