I was taking some slices out of my case this afternoon when when dremel suddenly stopped, At first I thought it was the surge protector but that hadn't tripped. I went up to the house to try in a socket indoors but still nothing. Checked the fuse and that was fne. Do they have safety mechanisms to shut off if they over heat? That shouldn't even be the case as wasn't wragging it doing continuous long cuts. This dremel (3000 model) is only 9 months old and has hardly been used at all.Surely it can't be dead?