EmberGlow VFF23NLM Owner's Operation And Installation Manual page 23

Problem
Slight smoke or odor
during initial operation.
Heater produces a whis-
tling noise when burner
is lit.
Heater produces a click-
ing/ticking noise just after
burner is lit or shut off.
White powder residue
forming within burner
box or on adjacent walls
or furniture.
Heater produces un-
wanted odors.
Heater shuts off in use
(ODS operates).
Gas odor exists even
when control knob is in
OFF position.
Moisture/condensation
noticed on windows.
200083-01A
TROUBLESHOOTING
Possible Cause
1. Residues from manufactur-
ing process.
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. Metal is expanding while
heating or contracting while
cooling.
1. When heated, the vapors
from furniture polish, wax,
carpet cleaners, etc., turn
into white powder residue.
1. Heater is burning vapors from
paint, hair spray, glues, etc.
See IMPORTANT statement,
page 21.
2. Gas leak. See Warning State-
ment at the top of page 21.
3 Low fuel supply.
1. Not enough fresh air is avail-
able.
2. Low line pressure.
3. O D S / p i l o t i s p a r t i a l l y
clogged.
1. Gas leak. See Warning
Statement at top of page 21.
2. Control valve is defective.
1. Not enough combustion/
ventilation air.
www.sureheat.com
Corrective Action
1. Problem will stop after a few
hours of operation.
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 gas
supplier.
3 Observe minimum installa-
tion clearances (Figure 4,
page 9)
4 Clean burner (see Care and
Maintenance, page 19) or
replace burner orifice.
1. This is common with most
heaters. If noise is exces-
sive, contact qualified ser-
vice technician.
1. Turn heater off when using
furniture polish, wax, carpet
cleaner or similar products.
1. Ventilate room. Stop using
odor causing products while
heater is running.
2. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 13).
3. Refill supply tank (Propane/
LP models).
1. Open window and/or door for
ventilation.
2. Contact local gas supplier.
3. Clean ODS/pilot (see Care
and Maintenance, page 19).
1. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 13).
2. Contact customer service.
1. Refer to Air for Combus-
tion and Ventilation require-
ments, page 7.
23