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OBSERVED PROBLEM
Heater produces a whistling
noise when burner is lit
Dark residue on logs or inside of
fireplace
White powder residue forming
within burner box or on adja-
cent walls or furniture
Heater produces a clicking/tick-
ing noise just after burner is lit
or shut off
20
TROUBLESHOOTING
Continued
POSSIBLE CAUSE
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. Improper log placement
2. Drafts or other air currents af-
fecting flame pattern
3. Air holes at burner inlet
blocked
4. Burner flame holes blocked
1. When heated, vapors from fur-
niture polish, wax, carpet
cleaners, etc. may turn into
white powder residue
1. Metal expanding while heating
or contracting while cooling
www.desatech.com
REMEDY
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 gas company
3. Observe minimum installation
clearances (see page 8)
4. Clean burner (see Cleaning and
Maintenance, page 16) or re-
place burner orifice
1. Properly locate logs (see In-
stalling Logs, page 11)
2. Eliminate source of drafts
around heater
3. Clean out air holes at burner
inlet. Periodically repeat as
needed
4. Remove blockage or replace
burner
1. Turn heater off when using
furniture polish, wax, carpet
cleaners, or similar products
1. This is common with most heat-
ers. If noise is excessive, con-
tact qualified service person
113066-01A
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