Dimplex TDS8515 - Page 19

TDS8515
TROUBLESHOOTING GUIDE
HEATER
18
Problem Cause Solution
Service Manual
Reference
Heater is not
turning off
Defective thermostat Replace thermostat Page 16
Improper operation See Operation Section Page 2
Loose wiring Trace wiring in unit Page 5
Defective Circuit Board Replace Circuit Board Page 13
Heater is not
turning on
Defective thermostat Replace thermostat Page 16
Defective heater assembly Replace heater assembly Page 12
Improper operation See Operation Section Page 2
Loose wiring Trace wiring in unit Page 5
Defective Circuit Board Replace Circuit Board Page 13
Heater emits an
odour
Normal operation
Normal operation is when
the heater emits an odour 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 Page 12
Loose wiring Trace wiring in unit Page 5
Heater fan turns on
but heater lacks
heat
Improper operation See Operation Section Page 2
Defective thermostat Replace thermostat Page 16
Loose wiring Trace wiring in unit Page 5
Defective heater assembly Replace heater assembly Page 12
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 cut out, unplug unit,
discontinue use and replace
heater assembly
Page 12