Operating Guide

26
 Heater produces a
whistling noise when
burner is lit.
 Turning control knob to Hi
position when burner is cold.
 Air in gas line.
 Air passageways on heater
are blocked.
 Dirty or partially clogged
burner orifice.
 Turn control knob to LO position
and let warm up for a minute.
 Operate burner until air is
removed from line. Have gas line
checked by local gas supplier.
 Observe minimum installation
clearances
 Clean or replace burner.
 Heater produces a
clicking/ ticking noise
just after burner is lit or
shut off.
 Metal is expanding while
heating or contracting while
cooling.
 This is common with most
heaters. If noise is excessive,
contact qualified service
technician.
 White powder residue
forming within burner
box or on adjacent walls
or furniture.
 When heated, the vapors
from furniture polish, wax,
carpet cleaners, etc., turn
into white powder residue.
 Turn heater off when using
furniture polish, wax, carpet
cleaner, or similar products.
 Heater produces
unwanted odors.
 Heater is burning vapors
from paint, hair spray, glues,
etc. See IMPORTANT
statement.
 Gas leak. See Warning
Statement
 Low fuel supply.
 Ventilate room. Stop using odor
causing products while heater is
running.
 Locate and correct all leaks,
 Refill supply tank (Propane / LP
models).
 Heater shuts off in use
(ODS operates).
 Not enough fresh air is
available.
 Low line pressure.
 ODS/pilot is partially
clogged.
 Open window and/or door for
ventilation.
 Contact local gas supplier.
 Clean ODS/pilot
 Gas odor during
combustion
 Gas leak. See Warning
Statement
 Control valve is defective.
 Foreign matters in heater
 Locate and correct all leaks.
 Contact customer service.
 Remove foreign matters
 Unexpected
moisture/condensation
noticed on windows.
 Ambient moisture is too high,
 Not enough ventilation
 Use a dehumidifier,
 Refer to “Air for Combustion and
Ventilation Requirements”