13
PROBLEM CAUSE SOLUTION
Heater
Heater is not turning On Improper operation Refer to Operation Section
Loose wiring Trace wiring in unit
Defective Heater Switch Replace Heater Switch
Defective Remote Control Receiver (if ap-
plicable)
Replace Remote Control Receiver Kit
Heater is not turning Off Improper operation of unit Refer to Operation Section
Improper operation of Thermostat/Wall Con-
trols (if applicable)
Refer to Thermostat/Wall Control Operation Guide
Defective heater on/off switch Replace heater on/off switch
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 motor (if not running when heat is acti-
vated) or Heater Elements (if motor is running but heat
is not coming out)
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
manufacturing 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 Blower Assembly Replace Blower Assembly (if not running when heat is
activated)
Heater Elements (if motor is running but heat is not
coming out)
Heating element is glowing red Normal Operation Small glowing sections of the element are considered
normal.
Defective heater element If larger glowing sections are causing the heater to trip
the thermal cutout, unplug unit, discontinue use and
replace heater elements
Heater fan runs continuously Defective heater on/off switch Replace heater on/off switch
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 motor Replace heater motor
Grinding or excessive noise with
the heater off
Moving icker rod hitting or rubbing against
internal components
Ensure rod is straight and mounted properly in the
bracket, spinning freely away from other components.
Replace if necessary.
Defective icker motor Replace icker motor