Desa CGN18B User Manual download pdf (Page 21)

100096

CLEANING

AND

MAINTENANCE

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 and bedding material, sawdust, cobwebs, etc.

ODS/PILOT AND BURNER

• 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.

TROUBLE-

SHOOTING

WARNING ICON G 001

WARNING

Turn off and unplug heater and let cool before servicing. Only a

qualified service person should service and repair heater.

Note:

All troubleshooting

items are listed in order of

operation.

WARNING ICON G 001

CAUTION

Never use a wire, needle, or similar object to clean ODS/pilot. This

can damage ODS/pilot unit.

OBSERVED

PROBLEM

When ignitor button

is pressed, there is no

spark at ODS/pilot

POSSIBLE

CAUSE

1. Ignitor electrode posi-

tioned wrong

2. Ignitor electrode broken

3. Ignitor electrode not

connected to ignitor

cable

4. Ignitor cable pinched or

wet

5. Piezo ignitor nut is loose

6. Broken ignitor cable

7. Bad piezo ignitor

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. Tighten nut holding piezo

ignitor to heater cabinet.

Nut is located inside

heater cabinet at top

6. Replace ignitor cable

7. Replace piezo ignitor

Continued

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Desa CGN18B User Manual Page 21

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