Desa Tech CGN20T - Manual (Page 25)

25
103873
TROUBLE-
SHOOTING
Continued
WARNING ICON G 001
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. Follow
the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
POSSIBLE
CAUSE
1. Metal expanding while
heating or contracting
while cooling
1. Heater burning vapors
from paint, hair spray,
glues, etc. See
IMPOR-
TANT statement
above).
2. Gas leak. See Warn-
ing statement at top
of page
1. Not enough fresh air is
available
2. Low line pressure
3. ODS/pilot is partially
clogged
1. Gas leak. See Warn-
ing statement at top
of page
2. Control valve defective
1. Foreign matter be-
tween control valve
and burner
2. Gas leak. See Warn-
ing statement at top
of page
1. Not enough combus-
tion/ventilation air.
OBSERVED
PROBLEM
Heater produces a
clicking/ticking noise
just after burner is lit
or shut off
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/condensa-
tion noticed on
windows
REMEDY
1. This is common with
most heaters. If noise is
excessive, contact quali-
fied service person
1. Ventilate room. Stop
using odor causing
products while heater is
running
2. Locate and correct all
leaks (see Checking Gas
Csonnections, page 15)
1. Open window and/or door
for ventilation
2. Contact local propane/LP
gas company
3. Clean ODS/pilot (see
Cleaning and Mainte-
nance, page 22)
1. Locate and correct all
leaks (see Checking Gas
Connections, 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. Refer to Air for Combus-
tion and Ventilation
requirements (page 5)
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.