While you wait for answers, we may have found some information which could help you.
Click here for Storage Heater DimplexLooking for reset button on dimplex convector heater DX25F10?
Dimplex Optiflame X1S Series B stopped working?
Dimplex duo heater?
cannot turn off dimplex electric fire?
Faulty lights on Dimplex mk11?
Dimplex 403BT convector heater?