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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 sup-
plies, 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.
OBSERVED PROBLEM
Burner backfiring during
combustion
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
10
TrOubLESHOOTINg
Continued
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 manufac-
turing processes
1. Heater burning vapors from
paint, hair spray, glues, etc.
See IMPORTANT state-
ment above
2. Low fuel supply
3. Gas leak. See Warning
statement at top of page
1. Not enough fresh air is
available
2. Low line pressure
3. O D S / p i l o t i s p a r t i a l l y
clogged
4. Tip over switch activated
from bumping heater
1. Gas leak. See Warning
statement at top of page
2. Control valve defective
www.desatech.com
REMEDY
1. Clean burner orifice (see
Cleaning and Mainte-
nance, 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. Pro-
vide adequate ventilation
2. Replace propane/LP gas
cylinder
3. Clean ODS/pilot (see
Cleaning and Mainte-
nance, page 7)
4. Relight heater
1. Locate and correct all
leaks
2. Replace control valve
114082-01F
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