www.desatech.com
104415-01M
31
OBSERVED PROBLEM
Yellow flame in front burner dur-
ing burner combustion
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
Remote does not function (Re-
mote-Ready Models Only)
Heater produces a clicking/tick-
ing noise just after burners are lit
or shut off
POSSIBLE CAUSE
1. Not enough air
2. Gas regulator defective
1. Residues from manufacturing
processes and logs curing
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. Not enough combustion/ven-
tilation air
1. Battery is not installed. Bat-
tery power is low
1. Metal expanding while heat-
ing or contracting while
cooling
REMEDY
1. Check burner(s) for dirt
and debris. If found, clean
burner(s) (see
Cleaning and
Maintenance
, page 27)
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 9)
4. Clean burners (see
Cleaning
and Maintenance
, page 27) or
replace burner orifice(s)
1. Turn heater off when using
furniture polish, wax, carpet
cleaners, or similar products
1. Refer to Air for
Combustion
and Ventilation
requirements
(page 6)
1. Replace 9-volt batteries in re-
ceiver and hand-held remote
1. This is common with most heat-
ers. If noise is excessive, contact
qualified service person
TROUBLESHOOTING
Continued
