Desa Comfort Glow CGB3924NR Owner's Operation And Installation Manual page 20

UVENTED NATURAL GAS LOG HEATER
TROUBLESHOOTING
Continued
• Shut off gas supply.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your
• Immediately call your gas supplier from a neighbor's phone. Follow the
• 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.
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
CGD3924NR, CGB3924NR and CGB3930NR
WARNING: If you smell gas
building.
gas supplier's instructions.
POSSIBLE CAUSE
1. Metal expanding while heating or con-
tracting while cooling
1. Heater burning vapors from paint, hair
spray, glues, cleaners, 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 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
REMEDY
1. This is common with most heaters. If
1. Open window and ventilate room. Stop
2. Locate and correct all leaks (see Check-
1. Open window and/or door for ventilation
2. Contact local natural gas company
3. Clean ODS/pilot (see Cleaning and
1. Locate and correct all leaks (see Check-
2. Replace control valve
1. Take apart gas tubing and remove for-
2. Locate and correct all leaks (see Check-
20
noise is excessive, contact qualified ser-
vice person
using odor causing products while heater
is running
ing Gas Connections, page 12)
Maintenance, page 17)
ing Gas Connections, page 12)
eign matter
ing Gas Connections, page 12)
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