www.desatech.com
110361-01G 21
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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. These odors will disappear over time.
TROUBLESHOOTING
Continued
1. Heater burning vapors from
paint, hair spray, glues, clean-
ers, chemicals, new carpet,
etc. (See IMPORTANT state-
ment above)
2. Low fuel supply (propane/LP
only)
3. Gas leak.
1. Not enough fresh air is avail-
able
2. Low line pressure
3. ODS/pi lot is parti all y
clogged
1. Gas leak.
2. Control valve defective
1. Foreign matter between con-
trol valve and burner
2. Gas leak.
1. Excessive line or manifold
pressure
2. Dirty primary air holes
REMEDY
1. Open window and ventilate
room. Stop using odor caus-
ing products while heater is
running
2. Rell supply tank (propane/LP
only)
3. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 10)
1. Open window and/or door for
ventilation
2. Contact local propane/LP gas
company
3. Clean ODS/pilot (see Cleaning
and Maintenance, page 16)
1. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 10)
2. Replace control valve
1. Take apart gas tubing and
remove foreign matter
2. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 10)
1. Check manifold pressure and
correct as needed
2. Clean burner air holes (see
Cleaning and Maintenance,
page 16).
Heater produces unwanted
odors
Heater shuts off in use (ODS
operates)
Gas odor even when control
knob is in OFF position
Gas odor during combustion
Burner ame is excessively large
and is very near or touches the
top of rebox