Dimplex BF36 Series Service Manual page 13

PROBLEM
Heater
Heater is not turning On
Heater is not turning Off
Heater is turning off after a
couple of minutes of operation
Heater emits an odor
Heater fan turns on but heater
lacks heat
Heating element is glowing red
Heater fan runs continuously
Noise
Excessive noise with the heater
on
Grinding or excessive noise with
the heater off
CAUSE
Improper operation
Loose wiring
Defective Heater Switch
Defective Remote Control Receiver (if ap-
plicable)
Improper operation of unit
Improper operation of Thermostat/Wall Con-
trols (if applicable)
Defective heater on/off switch
Defective heater assembly
Build up of dirt/dust in heater assembly
Defective Heater Assembly
Normal Operation
Defective heater assembly
Improper operation
Loose wiring
Defective Blower Assembly
Normal Operation
Defective heater element
Defective heater on/off switch
Dirty blower assembly
Defective Heater motor
Moving flicker rod hitting or rubbing against
internal components
Defective flicker motor
Refer to Operation Section
Trace wiring in unit
Replace Heater Switch
Replace Remote Control Receiver Kit
Refer to Operation Section
Refer to Thermostat/Wall Control Operation Guide
Replace heater on/off switch
Replace heater assembly
Ensure that exterior intake louvers and firebox cavity
are free of dirt/dust.
Replace Heater motor (if not running when heat is acti-
vated) or Heater Elements (if motor is running but heat
is not coming out)
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.
Replace heater assembly
Refer to Operation Section
Trace wiring in unit
Replace Blower Assembly (if not running when heat is
activated)
Heater Elements (if motor is running but heat is not
coming out)
Small glowing sections of the element are considered
normal.
If larger glowing sections are causing the heater to trip
the thermal cutout, unplug unit, discontinue use and
replace heater elements
Replace heater on/off switch
Ensure that exterior intake louvers and firebox cavity
are free of dirt/dust.
Replace heater motor
Ensure rod is straight and mounted properly in the
bracket, spinning freely away from other components.
Replace if necessary.
Replace flicker motor
13
SOLUTION