Desa Tech CGD3018N - Manual (Page 26)

26
102986
TROUBLE-
SHOOTING
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. 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, cleaners, chemi-
cals, new carpet, etc.
(See
IMPORTANT
statement above)
2. Gas leak. See Warning
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 Warning
statement at top of
page
2. Control valve defective
1. Foreign matter between
control valve and burner
2. Gas leak. See Warning
statement at top of
page
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
REMEDY
1. This is common with
most heaters. If noise is
excessive, contact
qualified service person
1. Open window and
ventilate room. Stop using
odor causing products
while heater is running
2. Locate and correct all leaks
(see Checking Gas Con-
nections, page 17)
1. Open window and/or door
for ventilation
2. Contact local natural gas
company
3. Clean ODS/pilot (see
Cleaning and Mainte-
nance, page 23)
1. Locate and correct all leaks
(see Checking Gas Con-
nections, page 17)
2. Replace control valve
1. Take apart gas tubing and
remove foreign matter
2. Locate and correct all leaks
(see Checking Gas Con-
nections, page 17)
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.