My 8 year old Miele KFN 8997 SE ed fridge freezer at home shows no sign of life. I don’t repair refrigeration but couldn’t resist trying some basic diagnostics. As expected, the electronic power pcb has failed – there are clear signs of a burnout on the surface mount pcb.
My instinct tells me this is likely to be secondary damage caused by failure of another component, but I am pretty clueless beyond that. Can any fridge specialists suggest likely culprits and/or basic diagnostic tests I can do to help pinpoint the fault? I have the usual Miele circuit diagram.