www.desatech.com
113195-01A
27
POSSIBLE CAUSE
1. Not enough air
2. Gas regulator defective
3. Residues from manufacturing
processes and logs curing
1. Not enough combustion/ven-
tilation air
1. Turning control knob to HI po-
sition when burner is cold
2. Air in gas line
3. Air passageways on heater
blocked
4. Dirty or partially clogged
burner orifice
1. When heated, vapors from fur-
niture polish, wax, carpet
cleaners, etc. may turn into
white powder residue
1. Battery is not installed. Battery
power is low
1. Metal expanding while heat-
ing or contracting while cool-
ing
REMEDY
1. Check burner for dirt and de-
bris. If found, clean burner
(see
Cleaning and Mainte-
nance
, page 23)
2. Replace gas control
3. Problem will stop after a few
hours of operation
1. Refer to
Air for Combustion
and Ventilation
requirements
(page 6)
1. Turn control knob to LO po-
sition and let warm up for a
minute
2. Operate burner until air is re-
moved from line. Have gas
line checked by local natural
or propane/LP gas company
3. Observe minimum installation
clearances (see page 11)
4. Clean burner (see
Cleaning
and Maintenance
, page 23) or
replace burner orifice
1. Turn heater off when using
furniture polish, wax, clean-
ers, or similar products
1. Replace 9-volt batteries in re-
ceiver and hand-held remote
control
1. This is common with most
fireplaces. If noise is exces-
sive, contact qualified service
person
OBSERVED PROBLEM
Slight smoke or odor during ini-
tial operation
Moisture/condensation noticed
on windows
Heater produces a whistling
noise when burner is lit
White powder residue forming
within burner box or on adja-
cent walls or furniture
Remote does not function
(GHRCB and GHRCTB Series
only)
Fireplace insert produces a click-
ing/ticking noise just after burn-
ers are lit or shut off
TROUBLESHOOTING
Continued
