Desa LDL3924NR Owner's Operation And Installation Manual page 25

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 adjacent
walls or furniture
Moisture/condensation noticed
on windows
Dark residue on logs inside of
their fireplace Note: After remov-
ing all causes of residue deposits,
completely clean fireplace and
appliance off residue before
reusing appliance
Available from Allparts Equipment and Accessories - 1-877-475-5660 - www.allpartsinc.com
TROUbLESHOOTING
Continued
POSSIBLE CAUSE
1. Not enough air
2. Gas regulator defective
3. Residues from manufacturing
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/ven-
tilation air
1. Improper log placement
2. Drafts or other air currents
affecting flame pattern
3. Air holes at burner inlet
blocked
4. Burner flame holes blocked
REMEDY
1. Check burner for dirt and
debris. If found, clean burner
(see Cleaning and Mainte-
nance, page 21)
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 11)
4. Clean burners (see Cleaning
and Maintenance, page 21)
or replace burner orifice
1. Turn heater off when using
furniture polish, wax, carpet
cleaners, or similar products
1. Refer to Air for Combustion
and Ventilation requirements
(page 5)
1. Properly locate logs (see
Installing Logs, page 16)
2. Eliminate source of drafts
around heater
3. Clean out air holes at burner
inlet. Periodically repeat as
needed
4. Remove blockage
5