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119921-01F
26
TROUBLESHOOTING
Continued
OBSERVED PROBLEM
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
POSSIBLE CAUSE
1. Not enough combustion/
ventilation air
1. Turning control knob to HI
position when burner is
cold
2. Air in gas line
3. Air passageways on heat-
er blocked
4. Dirty or partially clogged
burner orifice
1. When heated, vapors
from furniture polish, wax,
carpet cleaners, etc. may
turn into white powder
residue
1. Battery is not installed.
Battery power is low
REMEDY
1. Refer to
Air for Combustion
and Ventilation
require-
ments (page 6)
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 installa-
tion clearances (see pages
9 through 12)
4. Clean burner (see
Cleaning
and Maintenance
, page 23)
or replace burner orifice
1. Turn heater off when us-
ing furniture polish, wax,
carpet cleaners or similar
products
1. Replace 9-volt batteries
in receiver and hand-held
remote control