Desa Tech B Trouble, Shooting, Cleaning, Maintenance, Air Passageways, Exterior, Observed, Cause

Models: B 18 28

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CLEANING

CLEANING

 

WARNING

AND

WARNING ICONG 001

Turn off heater and let cool before cleaning.

MAINTENANCE

 

 

 

 

 

 

 

WARNING ICONG 001

CAUTION

You must keep control areas, burner, and circulating air passage- ways 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

• 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-

 

 

WARNING ICONG 001WARNING

 

 

 

 

SHOOTING

 

 

 

 

 

 

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

 

Note: All troubleshooting

qualified service person should service and repair heater.

 

 

 

 

 

 

 

 

 

 

 

 

 

items are listed in order of

 

 

 

 

 

 

 

 

WARNING ICONG 001CAUTION

 

 

 

operation.

 

 

 

 

 

 

 

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

 

 

 

can damage ODS/pilot unit.

 

 

 

 

 

 

 

 

 

 

 

 

OBSERVED
POSSIBLE

 

 

 

 

 

PROBLEM
CAUSE
REMEDY

 

 

 

 

 

 

 

 

 

 

When ignitor button

1.

Ignitor electrode posi-

1.

Replace ignitor

 

 

is pressed, there is no

 

tioned wrong

 

 

 

 

 

spark at ODS/pilot

2.

Ignitor electrode broken

2.

Replace ignitor

 

 

 

3.

Ignitor electrode not con-

3.

Reconnect ignitor cable

 

 

 

 

nected to ignitor cable

 

 

 

 

 

 

4.

Ignitor cable pinched or

4.

Free ignitor cable if

 

 

 

 

wet

 

pinched by any metal or

 

 

 

 

 

 

tubing. Keep ignitor

 

 

 

 

 

 

cable dry

 

 

 

5.

Piezo ignitor nut is loose

5.

Tighten nut holding piezo

 

 

 

 

 

 

ignitor to heater cabinet.

 

 

 

 

 

 

Nut is located inside

 

 

 

 

 

 

heater cabinet at top

 

 

 

6.

Broken ignitor cable

6.

Replace ignitor cable

 

 

 

7.

Bad piezo ignitor

7.

Replace piezo ignitor

 

 

 

 

 

 

 

 

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

101808

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Desa Tech B Trouble, Shooting, Cleaning, Maintenance, Turn off heater and let cool before cleaning, Air Passageways, Cause