We may have found other answers which could help you.
Click here for Storage Night Daydimplex chesford?
How to change the lamp holders in my Dimplex Cheriton electric fire?
How to get to the thermostat on a dimplex Quantum Qm150 heater?
Flashing lights on a dimplex storage heater?
I too have a dimplex that has just started making a knocking noise!?
optiflame stopped working?