Dimplex XHD23 Service Manual page 14

Heater
Heater is not turning on
Heater cuts out after a short time
Noise
Excessive noise when the heater is on
Excessive noise when flames are on
Demo Mode
Certain versions of this firebox are equipped with a demo
mode where the unit cycles through several functions. The
demo mode is activated by pressing and holding the tem-
perature and brightness buttons for 2 seconds. In demo
mode, the display remains lit and none of the remote or on-
unit controls work. When power is cut to the unit and then
restored, the unit remains in demo mode.
REV PCN DATE
01 - 29-AUG-19
02 - 23-DEC-19
03 - 6-OCT-20
04 - 13-APR-21
05 - 14-DEC-21
1-888-346-7539 | www.dimplex.com
In keeping with our policy of continuous product improvement,
we reserve the right to make changes without notice.
© 2021 Glen Dimplex Americas
Set temperature is below room tem-
perature
Heat is disabled; --- is displayed when
heat button is pressed
Defective heater assembly
Defective main control board
Inadequate air circulation
Buildup of dust/debris
Defective heater assembly
Buildup of dust/debris in the heater
assembly
Defective heater assembly
Flicker rod is hitting or rubbing against
internal component
Defective flicker motor
See operation instructions
See operation instructions
Replace heater assembly
Replace main control board
Ensure that there is sufficient space
around the firebox. Install feet if nec-
essary.
Ensure that the exterior intake louvers
and firebox cavity are free of dust/
debris
Replace heater assembly
Ensure that the exterior intake louvers
and firebox cavity are free of dust/
debris
Replace heater assembly
Ensure that the flicker rod is straight
and mounted properly in the bracket;
and spinning freely away from other
components. Replace the flicker rod if
necessary.
Replace flicker motor