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I had a very similar issue here. I figured out the cause, but thought it might be worth posting in case anyone else is having similar issues. So my F3 fuse (according to this picture) kept popping. It started after a fail print mess. I tried to raise the temp of the nozzle to something like 200, to ...

That's interesting, hadn't thought of that. Might be an option but my experience with VNC is you need to be careful not to leave it running in the background while printing (unless it has changed significantly in the last few years). Otherwise it can chew up processor and cause problems. What's ...