Desa H18N Owner's Operation And Installation Manual page 30

OBSERVED PROBLEM
Slight smoke or odor during
initial operation
Heater produces a whistling
noise when burners are lit
White powder residue forming
within burner box or on adja-
cent walls or furniture
Moisture/condensation no-
ticed on windows
Dark residue on logs inside
of their fireplace. Note: After
removing all causes of residue
deposits, completely clean
fireplace and appliance off
residue before reusing ap-
pliance
Remote does not function (Re-
mote-Ready Models Only)
30
TROUBLESHOOTING
Continued
POSSIBLE CAUSE
1. Not enough air
2. Gas regulator defective
3. Residues from manufac-
turing processes and logs
curing
1. Turning control knob to HI
position when burners are
cold
2. Air in gas line
3. Air passageways on heater
blocked
4. Dirty or partially clogged
burner orifice(s)
1. When heated, vapors from
furniture polish, wax, carpet
cleaners, etc. may turn into
white powder residue
1. Not enough combustion/
ventilation air
1. Improper log placement
2. Drafts or other air currents
affecting flame pattern
3. Air holes at burner inlet
blocked
4. B u r n e r f l a m e h o l e s
blocked
1. Battery is not installed. Bat-
tery power is low
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REMEDY
1. Check burner for dirt and
debris. If found, clean
burner (see Cleaning and
Maintenance, page 27)
2. Replace gas control
3. Problem will stop after a few
hours of operation
1. Turn control knob to LO
position and let warm up
for a minute
2. Operate burners until air is
removed from line. Have
gas line checked by local
natural or propane/LP gas
company
3. Observe minimum installa-
tion clearances (see pages
9 through 12)
4. Clean burners (see Cleaning
and Maintenance, page 27)
or replace burner orifice
1. Turn heater off when us-
ing furniture polish, wax,
carpet cleaners, or similar
products
1. Refer to Air for Combustion
and Ventilation require-
ments (page 6)
1. Properly locate logs (see
Installing Logs, page 17)
2. Eliminate source of drafts
around heater
3. Clean out air holes at burn-
er inlet. Periodically repeat
as needed
4. Remove blockage or re-
place burner
1. Replace 9-volt batteries
in receiver and hand-held
remote control
110399-01J