While you wait for answers, we may have found some information which could help you.
Click here for Button Plug FuseFaulty lights on Dimplex mk11?
Dimplex Cavendish Optimyst electric fire?
Help on how to fix my dimplex clb20r?
How to reset Dimplex storage heater CXL5N?
Dimplex 403BT convector heater?
Dimplex Optiflame X1S Series B stopped working?