I think that's what happens when the motor "brushes" get worn out. Did you run it for a long time without letting it cool down? It says somewhere in the instructions how long you should run it before letting it cool down. The same thing happened to me :/ . You can get replacements at the same store you bought it at, or you can get them on Amazon for really cheap (if it isn't a brand name Dremel, there should be some equivelent). If you know the model of your Dremel, I can find them for you, or there should be a parts list in the manual that list them. There should be two round parts on the sides of the Dremel that have a flat head slot in them. If you unscrew them, there will be a spring thing with a little carbon "brush" at the end of it. I think the replacements include the spring, so you just pop the worn one out and the new one in. They should have a little note stuck to it before you can use it so you know :/ .
Originally Posted by SCWood
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