Desa SPC-21PHTSA User Manual download pdf (Page 10)

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114082-01A

TROUBLESHOOTING

Continued

WARNING: If you smell gas

• Shut off gas supply.

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use any phone in your

building.

• Immediately call your gas supplier from a neighbor’s phone. Fol-

low the gas supplier’s instructions.

• If you cannot reach your gas supplier, call the ﬁre department.

IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies,

paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes.

These fumes may mix with combustion air and create odors.

POSSIBLE CAUSE

1. Burner oriﬁce is clogged or

damaged

2. Inlet gas pressure is too low

3. Burner damaged

4. Gas regulator defective

1. Residues from manufacturing

processes

1. Heater burning vapors from

paint, hair spray, glues, etc.

See IMPORTANT statement

above

2. Low fuel supply

3. Gas leak. See Warning

statement at top of page

1. Not enough fresh air is avail

able

2. Low line pressure

3. OD S /pil ot is p arti a lly

clogged

4. Tip over switch activated

from bumping heater

1. Gas leak. See Warning

statement at top of page

2. Control valve defective

REMEDY

1. Clean burner oriﬁce (see Clean-

ing and Maintenance, page 7)

or replace burner oriﬁce

2. Replace propane/LP gas

cylinder

3. Replace burner

4. Replace gas regulator

1. Problem will stop after a few

hours of operation

1. For outdoor use only. Stop

using odor-causing products

while heater is running

2. Replace propane/LP gas

cylinder

3. Locate and correct all leaks

1. For outdoor use only.

Provide

adequate ventilation

2. Replace propane/LP gas

cylinder

3. Clean ODS/pilot (see Cleaning

and Maintenance, page 7)

4. Relight heater

1. Locate and correct all leaks

2. Replace control valve

OBSERVED PROBLEM

Burner backﬁring during com-

bustion

Slight smoke or odor during

initial operation

Heater produces unwanted

odors

Heater shuts off in use

Gas odor even when control knob

is in OFF position

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Desa SPC-21PHTSA User Manual Page 10

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