Desa BQMV24N - Manual (Page 15)

www.desatech.com 117423-01A 15
OBSERVED PROBLEM
Dark orange flame in burner dur-
ing burner combustion
Slight smoke or odor during initial
operation
Produces a whistling noise when
burners are lit
White powder residue forming
within burner box or on adjacent
walls or furniture
REMEDY
1. Check burner(s) for dirt
and debris. If found, clean
burner(s) (see Cleaning and
Maintenance, page 12)
2. Replace gas regulator
1. 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 installation
clearances (see page 6)
4. Clean burners (see Cleaning
and Maintenance, page 12) or
replace burner orifice(s)
1. Heat turned off when using
furniture polish, wax, carpet
cleaners or ism
POSSIBLE CAUSE
1. Not enough air
2. Gas regulator defective
1. Residues from manufacturing
processes and log curing
1. Turning control knob to HI
position when burners are
cold
2. Air is 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, turn into white
powder residue
TROUBLESHOOTING
Continued