While you wait for answers, we may have found some information which could help you.
Click here for Storage Heater StoppedDimplex Optiflame X1S Series B stopped working?
How to change LED driver on Dimplex fire?
Dimplex Cavendish Optimyst electric fire?
Help on how to fix my dimplex clb20r?
Looking for reset button on dimplex convector heater DX25F10?
Light not working?