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VENT-FREE PROPANE/LP GAS HEATER
TROUBLESHOOTING
Continued
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
• 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.
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.
POSSIBLE CAUSE
1. Metal expanding while heating or con-
tracting while cooling
1. Heater burning vapors from paint, hair
spray, 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
www.desatech.com
REMEDY
1. This is common with most heaters. If
1. Ventilate room. Stop using odor-causing
2. Refill supply tank
3. Locate and correct all leaks (see Check-
1. Open window and/or door for ventilation
2. Contact local propane/LP 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-
1. Refer to Air for Combustion and Venti-
16
noise is excessive, contact qualified ser-
vice person
products while heater is running
ing Gas Connections, page 10)
Maintenance, page 13)
ing Gas Connections, page 10)
eign matter
ing Gas Connections, page 10)
lation requirements (page 4)
104268
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