Desa CGN10T - Manual (Page 21)

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CLEANING
AND
MAINTENANCE
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.
WARNING ICON G 001
WARNING
Turn off heater and let cool before cleaning.
WARNING ICON G 001
CAUTION
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.
TROUBLE-
SHOOTING
Note: All troubleshooting
items are listed in order of
operation.
WARNING ICON G 001
WARNING
Turn off heater and let cool before servicing. Only a qualified
service person should service and repair heater.
OBSERVED
PROBLEM
When ignitor button
is pressed, there is no
spark at ODS/pilot
WARNING ICON G 001
CAUTION
Never use a wire, needle, or similar object to clean ODS/pilot. This
can damage ODS/pilot unit.
POSSIBLE
CAUSE
1. Ignitor cable pinched or
wet
2. Ignitor electrode not
connected to ignitor
cable
3. Piezo ignitor nut is loose
4. Broken ignitor cable
5. Ignitor electrode broken
6. Bad piezo ignitor
7. Ignitor electrode posi-
tioned wrong
REMEDY
1. Free ignitor cable if
pinched by any metal or
tubing. Keep ignitor
cable dry
2. Reconnect ignitor cable
3. Tighten nut holding
piezo ignitor to heater
cabinet. Nut is located
inside heater cabinet at
top
4. Replace ignitor cable
5. Replace ignitor
6. Replace piezo ignitor
7. Replace ignitor