112157-01A
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For more information, visit www.desatech.com
For more information, visit www.desatech.com
TROUBLESHOOTING
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.
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
White powder residue forming within burner
box or on adjacent walls or furniture
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
POSSIBLE CAUSE
1. When heated, vapors from furniture pol-
ish, wax, carpet cleaners, etc. may turn
into white powder residue
1. Heater burning vapors from paint, hair
spray, glues, etc. (See
IMPORTANT
statement above)
2. Low fuel supply (propane/LP only)
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
REMEDY
1. Turn heater off when using furniture
polish, wax, carpet cleaners, or similar
products
1. Ventilate room. Stop using odor-causing
products while heater is running
2. Refill supply tank (propane/LP only)
3. Locate and correct all leaks (see Check-
ing Gas Connections, page 13)
1. Open window and/or door for ventilation
2. Contact local natural or propane/LP gas
company
3. Clean ODS/pilot (see Cleaning and
Maintenance, page 16)
1. Locate and correct all leaks (see Check-
ing Gas Connections, page 13)
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 13)
1. Refer to Fresh Air for Combustion and
Ventilation requirements (page 4)
TROUBLESHOOTING
