While you wait for answers, we may have found some information which could help you.
Click here for Dimplex Fire ReplaceLooking for reset button on dimplex convector heater DX25F10?
Dimplex Cavendish Optimyst electric fire?
Help on how to fix my dimplex clb20r?
Light not working?
How to change LED driver on Dimplex fire?
How to reset Dimplex storage heater CXL5N?