Desa CGS2718NA - Manual (Page 28)

www.desatech.com 113101-01C 28
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
Log set cycles to pilot, but room
temperature drops to a lower than
ideal level before log set comes
back on
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 above
1. Not enough fresh air is avail-
able
2. Low line pressure
3. ODS/pilot is partially
clogged
1. Gas leak. See Warning
statement above
2. Control valve defective
1. Foreign matter between con-
trol valve and burner
2. Gas leak. See Warning
statement above
1. Thermostat sensing bulb needs
to be repositioned
REMEDY
1. Open window and ventilate
room. Stop using odor caus-
ing products while heater is
running
2. Refill supply tank (propane/LP
only)
3. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 15)
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 23)
1. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 15)
2. Replace control valve
1. Take apart gas tubing and
remove foreign matter
2. Locate and correct all leaks (see
Checking Gas Connections,
page 15)
1. Reposition thermostat sensing
bulb (see Optional Positioning
of Thermostat Sensing Bulb ,
page 29
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.
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.