Dimplex PF3033 Service Manual page 20

PROBLEM
Heater
Heater is not turning on, but
flame effect is still functioning
Heater is turning off after a
couple of minutes of operation
Fan turns on but there is no
heat
Heater emits an odor
Noise
Unit cycles through 'Beeps"
and changing On screen Dis-
play when turned on
Buzzing noise coming from
heater assembly
Excessive noise with the
heater on
Grinding or excessive noise
with the heater off
REV PCN DATE
00 - 2-OCT-14
01 - 23-FEB-15
02 4-JAN-16
03 3-JUL-19
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In keeping with our policy of continuous product improvement,
we reserve the right to make changes without notice.
© 2019 Glen Dimplex Americas
20
CAUSE
Improper operation
Loose wiring
Defective main control board
Defective heater assembly
Improper operation
Build up of dirt/dust in heater assembly
Defective heater assembly
Defective relay board
Defective heater assembly
Normal operation
Defective heater assembly
Improper initialization of electronics
Defective heater assembly
There is a small current of electricity run-
ning through the motor
Dirty heater assembly
Defective heater assembly
Flicker rod hitting or rubbing against internal
components
Defective flicker motor
SOLUTION
Refer to Operation section Ensure set temperature is
above current temperature
Trace wiring in unit
Replace the main control board
Replace heater assembly
Refer to Operation section. Ensure set temperature is
above room temperature.
Ensure that exterior intake louvers and firebox cavity
are free of dirt/dust.
Replace heater assembly
Replace relay board
Replace heater assembly
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
Unplug unit wait 20 minutes and plug back in
Replace heater assembly
A small amount of noise is normal
Excessive buzzing noise can be minimized by use of
power regulator board installation
Ensure that exterior intake louvers and firebox cavity
are free of dirt/dust.
Replace heater assembly
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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