Club 20L?

You might find that it has LED's

toptrish
December 2015

Access is from the back via a removable panel towards the bottom.

RTFM you got with the heater (or which yo could have found on the Dimplex website:

Make a note of these (Download and save and put a copy on your backup drive as well)

http://www.dimplex.co.uk/assets/kb/operating_instructions/0/Club_&_Ritz_Instructions_-_Issue_2.pdf

http://www.dimplex.co.uk/assets/kb/self_help_guide_diagnostics/0/fires_and_surrounds.pdf

http://www.dimplex.co.uk/customer_support/downloads/index.htm?key_id=400683&search=CLB20L

XXX
November 2015