Desa Comfort Glow CGG2618N Owner's Operation And Installation Manual page 20

UNVENTED 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 burners are 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
Thermostat Models Only:
Log set cycles to pilot, but room tempera-
ture drops to a lower than ideal level before
log set comes back on
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. Low fuel supply
3. 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
1. Thermostat sensing bulb needs to be re-
positioned
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20
REMEDY
1. This is common with most heaters. If
noise is excessive, contact qualified ser-
vice person
1. Open window to ventilate room. Stop us-
ing odor causing products while heater
is running
2. Refill supply tank
3. Locate and correct all leaks (see
Checking Gas Connections, page 12)
1. Open window and/or door for ventilation
2. Contact local propane/LP gas company
3. Clean ODS/pilot (see Cleaning and
Maintenance, page 17)
1. Locate and correct all leaks (see
Checking Gas Connections, page 12)
2. Replace control valve
1. Take apart gas tubing and remove for-
eign matter
2. Locate and correct all leaks (see
Checking Gas Connections, page 12)
1. Reposition thermostat sensing bulb (see
Instructions for Optional Positioning of
Thermostat Sensing Bulb, page 21)
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