Problem
High yellow flame during
burner combustion.
Gas odor during com-
bustion.
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.
26
TROUBLESHOOTING
Possible Cause
1. Not enough air.
2. Gas regulator is defective.
3. Inlet gas pressure is too low.
1. Foreign matter between
control valve and burner.
2. Gas leak. (See Warning
Statement at top of page 23).
1. Residues from manufactur-
ing process.
1. Turning control knob to high
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 state-
ment, page 23.
2. Gas leak. See Warning State-
ment at the top of page 23.
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 23.
2. Control valve is defective.
1. Not enough combustion/
ventilation air.
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Corrective Action
1. Check burner for dirt and de-
bris. If found, clean burner (see
Care & Maintenance, page 22).
2. Replace gas regulator.
3. Contact local gas supplier.
1. Take apart gas tubing and
remove foreign matter.
2. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 13).
1. Problem will stop after a few
hours of operation.
1. Turn control knob to low position
and let warm up for a minute.
2. Operate burner until air is re-
moved 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 22) 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 22).
1. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 13).
2. Replace control valve.
1. Refer to Air for Combus-
tion and Ventilation require-
ments, page 7.
200125-01B