Vanguard SBJ18VNA Owner's Manual - Troubleshooting
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114744-01F
24
POSSIBLE CAUSE
1. Not enough air
2. Gas regulator defective
3. Control valve defective
1. Residues from manufac-
turing processes and logs
curing
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(s)
1. When heated, vapors from
furniture polish, wax, carpet
cleaners, etc. may turn into
white powder residue
1. Not enough combustion/
ventilation air
1. Metal expanding while
heating or contracting while
cooling
1. Battery is not installed. Bat-
tery power is low
REMEDY
1. Check burner(s) for dirt
and debris. If found, clean
burner(s) (see Cleaning and
Maintenance, page 21)
2. Replace gas regulator
3. Check manifold pressure
on control valve. Replace
if incorrect
1. Problem will stop after a few
hours of operation
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 21)
or replace burner orifice(s)
1. Turn heater off when us-
ing furniture polish, wax,
carpet cleaners or similar
products
1. Refer to Air for Combustion
and Ventilation require-
ments (page 6)
1. This is normal with most
heaters. If noise is exces-
sive, contact qualified ser-
vice person
1. Replace batteries in receiv-
er and hand-held remote
control
OBSERVED PROBLEM
Orange flame in burner during
burner combustion
Slight smoke or odor during
initial operation
Heater produces a whistling
noise when burner is lit
White powder residue forming
within burner box or on adja-
cent walls or furniture
Moisture/condensation no-
ticed on windows
Heater produces a clicking/
ticking noise just after burner
is lit or shut off
Remote does not function (if
using remote control)
TROUBLESHOOTING
Continued