Desa VSGF28NTF Owner's Operation And Installation Manual page 25

OBSERVED PROBLEM
Slight smoke or odor during
initial operation
Moisture/condensation no-
ticed on windows
Fireplace produces a whis-
tling noise when burners
are lit
White powder residue form-
ing within burner box or on
adjacent walls or furniture
Dark residue on logs inside
of their fireplace. Note: Af-
ter removing all causes of
residue deposits, completely
clean fireplace and appliance
off residue before reusing
appliance
Fireplace produces a click-
ing/ticking noise just after
burner is lit or shut off
119303-01E
TroUbleshooTinG
Continued
POSSIBLE CAUSE
1. Residues from manufac-
turing processes and logs
curing
1. Not enough combustion/
ventilation air
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. 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. Metal expanding while
heating or contracting while
cooling
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REMEDY
1. Problem will stop after a few
hours of operation
1. Refer to Air for Combustion
and Ventilation require-
ments (page 6)
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 instal-
lation clearances (see
page 10)
4. Clean burners (see Clean-
ing, page 21) or replace
burner orifice(s)
1. Turn heater off when us-
ing furniture polish, wax,
carpet cleaners or similar
products
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
1. This is normal with most
heaters. If noise is exces-
sive, contact qualified ser-
vice person
25