Desa H18N Owner's Operation And Installation Manual page 31

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. Fol-
low 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 sup-
plies, paint, paint rem over, 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
110399-01J
TROUBLESHOOTING
Continued
POSSIBLE CAUSE
1. Metal expanding while
heating or contracting while
cooling
1. Heater burning vapors from
paint, hair spray, glues,
cleaners, chemicals, new
carpet, etc. (See IMPOR-
TANT 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. O D S / p i l o t i s p a r t i a l l y
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
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REMEDY
1. This is normal with most
heaters. If noise is exces-
sive, contact qualified ser-
vice person
1. Open window to venti-
late room. Stop using odor
causing products while
heater is running
2. Refill supply tank (propane/
LP only)
3. Locate and correct all leaks
(see Checking Gas Con-
nections, page 16)
1. Open window and/or door
for ventilation
2. Contact local natural or
propane/LP gas company
3. C l e a n O D S / p i l o t ( s e e
Cleaning and Maintenance,
page 27)
1. Locate and correct all leaks
(see Checking Gas Con-
nections, page 16)
2. Replace control valve
1. Take apart gas tubing and
remove foreign matter
2. Locate and correct all leaks
(see Checking Gas Con-
nections, page 16)
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