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115254-01A 31
TROUBLESHOOTING
Continued
POSSIBLE CAUSE
1. Burner orifice is clogged or
damaged
2. Damaged burner
3. Gas regulator defective
1. Not enough air
2. Gas regulator defective
1. Residues from manufacturing
processes and logs curing
1. Turning control knob to HI
position when burners are
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. turn into white
powder residue
1. Not enough combustion/ven
-
tilation air
REMEDY
1. Clean burner (see Cleaning
and Maintenance, page 28) or
replace burner orifice
2. Replace damaged burner
3. Replace gas regulator
1. Check burner(s) for dirt
and debris. If found, clean
burner(s) (see Cleaning and
Maintenance, page 28)
2. Replace gas regulator
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 burners 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 11)
4. Clean burners (see Cleaning
and Maintenance, page 28) or
replace burner orifice(s)
1. Turn heater off when using
furniture polish, wax, carpet
cleaners or similar products
1. Refer to Air for Combustion
and Ventilation requirements
(page 7)
OBSERVED PROBLEM
Burner backfiring during com-
bustion
Yellow flame in front burner dur-
ing burner combustion
Slight smoke or odor during initial
operation
Heater produces a whistling noise
when burners are lit
White powder residue forming
within burner box or on adjacent
walls or furniture
Moisture/condensation noticed
on windows