Thanks. I see the 09500004 part on the side of the bioler and it has a little "button" on it, but it doesn't seem to be a button you can press. I can spin it, but not push it

The Oscar doesn't seem to have a resettable high temp limit switch. Since the "brain box" is around $200 I am hoping it is something else. Anyone have any other ideas that I can check (and any ideas on why the circuit boards would suddenly die?)

I have a Nuova Simonelli Oscar Professional Espresso machine that no longer turns on. I was using it one day and heard a pop. I turned it off and now it will no longer turn on. No lights, no heating, just seems dead. I've opened it up and looked inside and everything appears OK (wires all connected,...