Dimplex EWF-SS Service Manual page 16

PROBLEM
Heater Continued
Heater is not turning on
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
16
CAUSE
Improper operation
Defective heater assembly
Defective heater on/off switch
Build up of dirt/dust in heater assembly
Defective Motor
Normal Operation
Defective heater assembly
Improper operation
Defective thermostat
Loose wiring
Defective heater assembly
Normal Operation
Defective heater assembly
Loose wiring
Defective heater on/off switch
Defective heater assembly
Defective thermostat
Dirty blower assembly
Defective blower assembly
Moving flame rod hitting or rubbing
against internal components
Defective flame motor
SOLUTION
Refer to Operation Section
Replace heater assembly
Replace heater on/off switch
Clean out heater assembly
Replace Motor
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
Replace thermostat
Trace wiring in unit
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 assembly.
Trace wiring in unit
Replace heater on/off switch
Replace heater assembly
Replace thermostat
Clean blower assembly
Replace heater assembly
Ensure rod is straight and mounted properly in the
bracket, spinning freely away from other components.
Replace if necessary.
Replace flame motor
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