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21
PROBLEM CAUSE SOLUTION
Heater
Heater is not turning off Improper operation Refer to Operation Section
Defective Heater Switches Replace Heater Switch(es)
Heater is not turning on, but
ame effect is still functioning
Improper operation Refer to Operation Section
Loose wiring Trace wiring in unit.
Defective Heater Switches Replace Heater Switch(es)
Defective Heater Assembly Replace Heater Assembly
Heater is turning off after a
couple of minutes of operation
Build up of dirt/dust in heater assembly Ensure that exterior intake louvers and rebox cavity are
free of dirt/dust.
Defective Heater Assembly Replace Heater Assembly
Heater emits an odor Normal Operation Normal operation is when the heater emits an odor for
a brief period after the heater is initially turned on. The
heater is burning off any dust accumulated during manu-
facturing or operation.
Defective Heater Assembly Replace Heater Assembly
Heater fan turns on but heater
lacks heat
Improper operation Refer to Operation Section
Loose wiring Trace wiring in unit
Defective Heater Switches Replace Heater Switch(es)
Defective Heater Assembly Replace Heater Assembly
Heating element is glowing red Normal Operation Small glowing sections of the element are considered
normal.
Defective Heater Assembly If larger glowing sections are causing the heater to trip
the thermal cutout, unplug unit, discontinue use and
replace heater assembly.
Noise
Excessive noise with the heater
on
Dirty blower assembly Ensure that exterior intake louvers and rebox cavity are
free of dirt/dust.
Defective Heater Assembly Replace Heater Assembly
Grinding or excessive noise with
the heater off
Flicker rod hitting or rubbing against inter-
nal components
Ensure rod is straight and mounted properly in the
bracket, spinning freely away from other components.
Replace if necessary.
Defective Flicker motor Replace Flicker motor