27
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
White powder residue
forming within burner box
or on adjacent walls or
furniture
1. When heated, the vapors
from furniture polish, wax,
carpet cleaners, etc., turn into
white powder residue
1. Turn heater off when using
furniture polish, wax, carpet
cleaner or similar
Heater produces
unwanted odors
1. Heater is burning vapors from
paint, hairspray, glues, etc.
See IMPORTANT statement,
page 21
2. Gas leak (see warning statement on
page 25)
3. Low fuel supply
1. Ventilate room. Stop using
odor causing products while
heater is running
2. Locate and correct all leaks
(see “Checking Gas Connections” on
page 18)
3. Refill supply tank (propane/LP
models)
Heater shuts off in use
(ODS operates)
1. Not enough fresh air is
Available
2. Low line pressure
3. ODS/pilot is partially clogged
1. Open window and/or door for
Ventilation
2. Contact local gas supplier
3. Clean ODS/pilot (see “Care and
Maintenance” on page 24)
Gas odor exists even
when control knob is in
OFF position
1. Gas leak (see warning statement on
page 25)
2. Control valve is defective
1. Locate and correct all leaks
(see “Checking Gas Connections” on
page 18)
2. Contact customer service
Moisture/condensation
noticed on windows
1. Not enough
combustion/ventilation air
1. Refer to “Air for Combustion
and Ventilation” on page 7
Slight smoke or odor
during initial operation
1. Residues from manufacturing
process
1. Problem will stop after a few
hours of operation
Heater produces a
whistling noise when
burner is lit
1. Turning control knob to HIGH
(5) position when burner is
Cold
2. Air in gas line
3. Air passageways on heater
are blocked
4. Dirty or partially clogged
burner orifice
1. Turn control knob to LOW (1)
position and let warm up for a
minute
2. Operate burner until air is
removed from line. Have gas
line checked by local
propane/LP gas company.
3. Observe minimum installation
Clearances (see “Installation” on
page 10)
4. Clean burner (see “Care and
Maintenance” on page 24)
Fan is not spinning
1. There is no power to fan
2. Fan motor is bad
1. Verify fan is plugged in
2. Replace fan
Fan is making a loud
noise
1. Fan housing or blades are
Dirty
2. Fan rotation is blocked
3. Defective fan
1. Clean fan (see “Care and
Maintenance” on page 24)
2. Verify wiring is not in fan path
3. Replace fan
TROUBLESHOOTING
