Desa EFS33NR - Manual (Page 27)

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OBSERVED PROBLEM
Moisture/condensation noticed
on windows
Heater produces a whistling noise
when burners are lit
White powder residue forming
within burner box or on adjacent
walls or furniture
Remote does not function
(GHRCB and GHRCTB only)
Yellow flame in front burner dur-
ing burner combustion
Fireplace produces a clicking/
ticking noise just after burner is
lit or shut off
POSSIBLE CAUSE
1. Not enough combustion/ven-
tilation air
1. Turning control knob to HI po-
sition 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. may turn into
white powder residue
1. Battery is not installed. Bat-
tery power is low
1. Not enough air
2. Gas regulator defective
1. Metal expanding while heat-
ing or contracting while
cooling
REMEDY
1. Refer to Air for Combustion
and Ventilation requirements
(page 6)
1. Turn control knob to LO position
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 installation
clearances (see page 10)
4. Clean burners (see Cleaning
and Maintenance, page 23) or
replace burner orifice(s)
1. Turn heater off when using
furniture polish, wax, carpet
cleaners or similar products
1. Replace 9-volt batteries in
receiver and remote control
1. Check burner(s) for dirt
and debris. If found, clean
burner(s) (see Cleaning and
Maintenance, page 23)
2. Replace gas regulator
1. This is common with most
heaters. If noise is excessive,
contact qualified service per-
son
TROUBLESHOOTING
Continued