www.desatech.com
111417-01B
24
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.
POSSIBLE CAUSE
1. Heater burning vapors from
paint, hair spray, glues, clean-
ers, chemicals, new carpet,
etc. (See
IMPORTANT
state-
ment above)
2. 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
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. Locate and correct all leaks
(see
Checking Gas Connec-
tions
, page 11)
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 19)
1. Locate and correct all leaks
(see
Checking Gas Connec-
tions
, page 11)
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 11)
1. Check manifold pressure and
correct as needed
2. Clean burner air holes (see
Cleaning and Maintenance
,
page 19)
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
Burner flame is excessively large
and is very near or touches the
top of firebox
