14 www.dimplex.com
PROBLEM CAUSE SOLUTION
Heater
Only one level of
heat is coming on
Heater wiring has become loose Check the heater wiring
Defective relay board Replace the relay board 3001440200RP
Heater is not turning
Off
Improper operation Refer to Operation Section
Defective switch board Replace the switch board 3001520100RP
Defective thermistor Replace the thermistor 3001560100RP
Defective relay board Replace the relay board 3001440200RP
Defective display / control board Replace the display / control board 3001430200RP
Heater is not turning
On
Improper operation Refer to Operation Section
Loose wiring Check wiring connections
Defective switch board Replace the switch board 3001520100RP
Defective heater assembly Replace heater assembly 2203610400RP
Defective relay board Replace the relay board 3001440200RP
Defective display / control board Replace the display / control board 3001430200RP
Heater is turning off
after a couple of min-
utes of operation
Build up of dirt/dust in heater assembly -
box cavity are free of dirt/dust.
Defective Heater Assembly Replace Heater Assembly 2203610400RP
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 2203610400RP
Heater fan turns on
but heater lacks heat
Defective heater assembly Replace heater assembly 2203610400RP
Heating element is
glowing red
Normal Operation Small glowing sections of the element are
considered normal.
Defective heater assembly If larger glowing sections are causing the
heater to trip the thermal cutout, unplug unit,
discontinue use and replace heater assem-
bly.
2203610400RP
Heater fan runs con-
tinuously
Defective heater assembly Replace heater assembly 2203610400RP
Noise
Excessive noise with
the heater on
Dirty heater assembly -
box cavity are free of dirt/dust.
Defective heater assembly Replace heater assembly 2203610400RP
noise with the heater
off
internal components
Ensure rod is straight and mounted properly
in the bracket, spinning freely away from
other components. Replace if necessary.
2000500100RP
