Superior FVFM27NR Installation And Operating Instructions Manual page 25

OBSERVED PROBLEM
Moisture/condensation no-
ticed 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
Heater produces a clicking/
ticking noise just after burner
is lit or shut off
126848-01A
TROUBLESHOOTING
Continued
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 heater
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. Bat-
tery power is low
1. Metal expanding while
heating or contracting while
cooling
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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
8 through 11)
4. Clean burner (see Cleaning
and Maintenance, page 22)
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
1. This is normal with most
heaters. If noise is exces-
sive, contact qualified ser-
vice person
25