We may have found other answers which could help you.
Click here for Replace Heater Replaceddimplex chesford?
I too have a dimplex that has just started making a knocking noise!?
dimplex midel mfs12le?
How can I fix my Dimplex XL5N storage heater?
Flashing lights on a dimplex storage heater?
fix dimplex storage heater XLSN?