Dimplex Nicole Service Manual page 14

PROBLEM
Heater
Only one level of Heater wiring has become loose
heat is coming on
Defective relay board
Heater is not turning Improper operation
Off
Defective switch board
Defective thermistor
Defective relay board
Defective display / control board
Heater is not turning Improper operation
On
Loose wiring
Defective switch board
Defective heater assembly
Defective relay board
Defective display / control board
Heater is turning off Build up of dirt/dust in heater assembly
after a couple of min-
utes of operation
Defective Heater Assembly
Heater emits an odor Normal Operation
Defective heater assembly
Heater fan turns on Defective heater assembly
but heater lacks heat
Heating element is Normal Operation
glowing red
Defective heater assembly
Heater fan runs con- Defective heater assembly
tinuously
Noise
Excessive noise with Dirty heater assembly
the heater on
Defective heater assembly
Grinding or excessive Flicker rod hitting or rubbing against
noise with the heater internal components
off
Defective flicker motor
14
CAUSE SOLUTION
Check the heater wiring
Replace the relay board
Refer to Operation Section
Replace the switch board
Replace the thermistor
Replace the relay board
Replace the display / control board
Refer to Operation Section
Check wiring connections
Replace the switch board
Replace heater assembly
Replace the relay board
Replace the display / control board
Ensure that exterior intake louvers and fire-
box cavity are free of dirt/dust.
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
Replace heater assembly
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 assem-
bly.
Replace heater assembly
Ensure that exterior intake louvers and fire-
box 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
3001440200RP
3001520100RP
3001560100RP
3001440200RP
3001430200RP
3001520100RP
2203610400RP
3001440200RP
3001430200RP
2203610400RP
2203610400RP
2203610400RP
2203610400RP
2203610400RP
2203610400RP
2000500100RP
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