Dimplex XLF50 Service Manual page 16

PROBLEM
Heater
Heater is not turning on, but flame
effect is still functioning
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 Dirty Heater Assembly
Grinding or excessive noise with
the heater off
16
CAUSE
Improper operation
Loose wiring
Defective main control board
Defective Heating Element
Improper operation
Build up of dirt/dust in Heater Assembly
Defective Blower/Fan
Defective Heating Element
Normal Operation
Defective Heating Element
Improper operation
Heater turned off too early
Loose wiring
Defective Heating Element
Normal Operation
Defective Heating Element
Loose wiring
Defective main control board
Defective Blower/Fan
Defective Blower/Fan
Flicker rod hitting or rubbing against inter-
nal components
Defective Flicker Motor
SOLUTION
Refer to Operation Section
Trace wiring in unit
Replace the main control board
Replace Heating Element
Refer to Operation Section
Ensure that exterior intake louvers and firebox cavity
are free of dirt/dust.
Replace Blower/Fan
Replace Heating Element
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 dur-
ing manufacturing or operation.
Replace Heating Element
Refer to Operation Section
If the heater is turned off before it has run for 2 min-
utes the fan will continue to run for 2 minutes to fully
cirulate air
Trace wiring in unit
Replace Heating Element
Small glowing sections of the element are consid-
ered normal.
If larger glowing sections are causing the heater to
trip the thermal cutout, unplug unit, discontinue use
and replace the heating element
Trace wiring in unit
Replace the main control board
Replace Blower/Fan
Ensure that exterior intake louvers and firebox cavity
are free of dirt/dust.
Replace Blower/Fan
Ensure rod is straight and mounted properly in the
bracket, spinning freely away from other components.
Replace if necessary.
Replace Flicker Motor
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