Desa LMFP33PR - Manual (Page 26)

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TROUBLESHOOTING
Continued
OBSERVED PROBLEM
Moisture/condensation noticed
on windows
Heater produces a whistling
noise when burners are lit
White powder residue forming
within burner box or on adjacent
walls or furniture
Remote does not function
(GHRC and GHRCTA only)
POSSIBLE CAUSE
1. Not enough combustion/ven-
tilation air
1. Turning control knob to HI po-
sition 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. Battery is not installed. Bat-
tery power is low
REMEDY
1. Refer to Air for Combustion
and Ventilation requirements
(page 5)
1. Turn control knob to LO po-
sition and let warm up for a
minute
2. Operate burners until air is re-
moved from line. Have gas
line checked by local natural
or propane/LP gas company
3. Observe minimum installa-
tion clearances (see pages 9
through 13)
4. Clean burners (see Cleaning
and Maintenance, page 23) or
replace burner orifice(s)
1. Turn heater off when using
furniture polish, wax, carpet
cleaners, or similar products
1. Replace 9-volt batteries in re-
ceiver and remote control
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.
IMPORTANT: Operating fireplace where impurities in air exist may create odors. Cleaning supplies,
paint, paint remover, 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.