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www.desatech.com
114744-01C
24
POSSIBLE CAUSE
1. Not enough air
2. Gas regulator defective
3. Control valve defective
1. Residues from manufacturing
processes and logs curing
1. Turning control knob to HI
position when burner is 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. Metal expanding while heating
or contracting while cooling
1. Battery is not installed. Bat
-
tery power is low
REMEDY
1. Check burner(s) for dirt
and debris. If found, clean
burner(s) (see Cleaning and
Maintenance
, page 21)
2. Replace gas regulator
3. Check manifold pressure
on control valve. Replace if
incorrect
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 burner 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 pages 9
through 12)
4. Clean burner (see Cleaning
and Maintenance, page 21)
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.
This is common with most heat-
ers. If noise is excessive, contact
qualified service person
1.
Replace batteries in receiver
and hand-held remote control
OBSERVED PROBLEM
Orange flame in burner during
burner combustion
Slight smoke or odor during initial
operation
Heater produces a whistling noise
when burner is lit
White powder residue forming
within burner box or on adjacent
walls or furniture
Moisture/condensation noticed
on windows
Heater produces a clicking/tick
-
ing noise just after burner is lit
or shut off
Remote does not function (if using
remote control)
TROUBLESHOOTING
Continued