Desa VSL18NT - Manual (Page 21)

www.desatech.com 116292-01D 21
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. Heater burning vapors from
paint, hair spray, glues, etc.
(see IMPORTANT statement
above)
2. Low fuel supply (propane/LP
gas only)
3. Gas leak. See Warning state-
ment above
1. Not enough fresh air is avail-
able
2. Low line pressure
3. ODS/pilot is partially clogged
1. Gas leak. See Warning state-
ment above
2. Control valve defective
1. Foreign matter between control
valve and burner
2. Gas leak. See Warning state-
ment above
1. Not enough combustion/venti-
lation air
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
Moisture/condensation noticed
on windows
REMEDY
1. Ventilate room. Stop using
odor causing products while
heater is running
2. Refill supply tank
3. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 12)
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 17)
1. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 12)
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 12)
1. Refer to Air for Combustion
and Ventilation requirements
(page 5)
TROUBLESHOOTING
Continued