Desa CGP20B Owner's Operation And Installation Manual page 16

BLUE-FLAME
VENT-FREE PROPANE/LP GAS HEATER
TROUBLESHOOTING
Continued
WARNING ICON
• 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
• 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.
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/condensation noticed on windows
WARNING: If you smell gas
G 001
building.
the gas supplier's instructions.
POSSIBLE CAUSE
1. Metal expanding while heating or con-
tracting while cooling
1. Heater burning vapors from paint, sol-
vents, glues, etc. See IMPORTANT
statement 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. Not enough combustion/ventilation air
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16
REMEDY
1. This is common with most heaters. If
noise is excessive, contact qualified ser-
vice person
1. Ventilate room. Stop using odor caus-
ing products while heater is running
2. Refill supply tank
3. Locate and correct all leaks (see Check-
ing Gas Connections, page 11)
1. Open window and/or door for ventilation
2. Contact local propane/LP gas company
3. Clean ODS/pilot (see Cleaning and
Maintenance, page 13)
1. Locate and correct all leaks (see Check-
ing Gas Connections, page 11)
2. Replace control valve
1. Take apart gas tubing and remove for-
eign matter
2. Locate and correct all leaks (see Check-
ing Gas Connections, page 11)
1. Refer to Air for Combustion and Venti-
lation requirements (page 4)
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