Dimplex duo heater?

Hi my mother in laws heater has started clicking. Someone has said it may be the PCB controller are there easy to replace?
Kay, February 2021


done
It's the power pcb at the bottom that needs replacing

toptrish, March 2021
This might be illuminating;

https://talk.electricianforum.co.uk/topic/31722-dimplex-duo-heat-storage-heater-faults/

HTH, February 2021
link Click here to see other fixes for Dimplex.