Desa VN6C - Manual (Page 14)

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NATURAL GAS HEATER
VANGUARD VN6C AND VN10
OBSERVED PROBLEM
Gas odor even when control knob is in OFF
position
Gas odor during combustion
Moisture/condensation noticed on windows
REMEDY
1. Locate and correct all leaks (see Check-
ing Gas Connections, page 9)
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 9)
1. Refer to Air for Combustion and Venti-
lation requirements (page 3)
POSSIBLE CAUSE
1. Gas leak. See Warning statement
above
2. Control valve defective
1. Foreign matter between control valve
and burner
2. Gas leak. See Warning statement
above
1. Not enough combustion/ventilation air
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.
POSSIBLE CAUSE
1. Heater burning vapors from paint, hair
spray, glues, etc. See IMPORTANT
statement above
2. Gas leak. See Warning statement be-
low
1. Not enough fresh air is available
2. Low line pressure
3. ODS/pilot is partially clogged
REMEDY
1. Ventilate room. Stop using odor-causing
products while heater is running
2. Locate and correct all leaks (see Check-
ing Gas Connections, pages 8 and 9)
1. Open window and/or door for ventila-
tion
2. Contact local natural gas company
3. Clean ODS/pilot (see Cleaning and
Maintenance, page 11)
TROUBLESHOOTING
Continued
OBSERVED PROBLEM
Heater produces unwanted odors
Heater shuts off in use (ODS operates)