www.desatech.com
113896-01D
5
POSSIBLE CAUSE
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.
See Warning
statement at top of page
1. Not enough fresh air is avail
-
able
2. Low line pressure
3. ODS/pilot is partially
clogged
1. Gas leak.
See Warning
statement at top of page
2. Control valve defective
1. Foreign matter between con
-
trol valve and burner
2. Gas leak.
See Warning
statement at top of page
REMEDY
1. Open window to ventilate
room. Stop using odor caus-
ing products while heater is
running
2. Contact local propane/LP gas
supplier to refill supply tank
(propane/LP only)
3. Locate and correct all leaks
(see
Checking Gas Connec-
tions
, page 17)
1. Open window and/or door for
ventilation
2. Contact local natural or pro
-
pane/LP gas company
3. Clean ODS/pilot (see
Cleaning
and Maintenance
, page 21)
1. Locate and correct all leaks
(see
Checking Gas Connec-
tions
, page 17)
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 17)
OBSERVED PROBLEM
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
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. These odors will disappear over time.
f i r e - p a r t s . c o m
