Desa Vanguard VMH26TPC Owner's Operation And Installation Manual page 25

OBSERVED PROBLEM
Slight smoke or odor during ini-
tial operation
Fireplace produces a whistling
noise when burner is lit
White powder residue forming
within burner box or on adja-
cent walls or furniture
Fireplace produces a clicking/
ticking noise just after burner is
lit or shut off
113111-01B
TROUBLESHOOTING
Continued
POSSIBLE CAUSE
1. Residues from manufacturing
processes
1. Turning control knob to HI po-
sition when burner is cold
2. Air in gas line
3. Air passageways on fireplace
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. Metal expanding while heating
or contracting while cooling
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REMEDY
1. Problem will stop after a few
hours of operation
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 propane/LP
gas company
3. Observe minimum installation
clearances (see pages 9
through 12)
4. Clean burner (see Cleaning
and Maintenance, page 22) or
replace burner orifice
1. Turn heater off when using
furniture polish, wax, carpet
cleaners, or similar products
1. This is common with most fire-
places. If noise is excessive,
contact qualified service person
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