Delta_G:
You ask for the error, and i feel, that I write the problem in the first 'comment'.
I started this thread because I think, that it is a new sublject.
I beg your pardon, but I don't know how to make a link clickable.
UKHeliBob:
Yes to all question.
After all I think, that the Flash-memory is burned out, so I have to buy a new board or a new processor.