OBSERVED PROBLEM POSSIBLE CAUSE REMEDY
1. Check burner for dirt and
debris. If found, clean
burner (see Cleaning and
Maintenance, page 18)
2. Replace gas regulator
3. Clean burner (see Cleaning
and Maintenance, page 18
1. Turning control knob to po-
sition when burner is cold
2. Air in gas line .
3. Air passageways on heater
blocked
4. Dirty or partially clogged
burner orifi ce
1. Turn control knob to 1 posi-
tion 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 Figure
4, page 8)
4. Clean burner (see Cleaning
and Maintenance, page 18)
or replace burner orifi ce
Heater produces a whistling
noise when burner is lit
White powder residue forming
within burner box or on adja-
cent walls or furniture
1. When heated, vapors from
furniture polish, wax, carpet
cleaners, etc. may turn into
white powder residue
1. Turn heater off when using
furniture polish, wax,carpet
cleaners or similar products
Heater produces a clicking/
ticking noise just after burner
is lit or shut off
1. Metal expanding while
heating or contracting while
cooling
1. This is normal with most
heaters. If noise is excessive,
contact qualifi ed service
person
Yellow fl ame during burner
combustion
1. Not enough air
2. Gas regulator defective
3. Clogged or dirty burner
1. Residues from manufactur-
ing processes
Slight smoke or odor during
initial operation
1. Problem will stop after a few
hours of operation
23
TROUBLESHOOTING
Continued
