Dimplex BLF34 Service Manual page 16

PROBLEM
Heater
Heater is not turning off
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 Remote Switchboard
Defective Remote Control Receiver
Improper operation
Loose wiring
Defective Remote Switchboard
Defective Heating Element
Build up of dirt/dust in Blower/Fan
Defective Blower/Fan
Normal Operation
Defective Heating Element
Improper operation
Loose wiring
Defective Heating Element
Normal Operation
Defective Blower/Fan
Loose wiring
Defective Remote Switchboard
Defective Blower/Fan
Dirty Blower/Fan
Defective Blower/Fan
Flicker rod hitting or rubbing against
internal components
Defective Flicker motor
SOLUTION
Refer to Operation Section
Replace Remote Switchboard
Replace Remote Control Receiver
Refer to Operation Section
Trace wiring in unit.
Replace Remote Switchboard
Replace Heating Element
Ensure that exterior intake louvers and firebox cavity
are free of dirt/dust.
Replace Blower/Fan
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 Heating Element
Refer to Operation Section
Trace wiring in unit
Replace Heating Element
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 Blower/Fan.
Trace wiring in unit
Replace Remote Switchboard
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
www.dimplex.com