The mixer is after a few times using broke. How here to read many times the device lies not turn back with me. After the second exchange unit, I went one step further and have the unit disassembled, to see what does not. For me it was a backup, as probably many others also. To repair: What I write now, anyone can do who has a little idea about electronics and can solder. However, no guarantee and on your own risk! You can disassemble the blender, until the two special screws (can be with a small screwdriver to open) on the back removed. Then remove the silver ring and open the two underneath on the bottom Phillips head screws. The two protected by a cover Phillips screws to the front to open the mixer on the bottom. Now you can open the mixer carefully. Now you can see among other things, a part (transformer) on which there is a yellow ribbon. This band must be careful in the middle, without damaging the cable underneath, are severed. Now one can see two cables which are connected to a white component. This component is the fuse [...]. A backup with the same values can order easily over the Internet. If this works now installed the mixer again, so it was at least for me. As I said at your own risk, maybe I could help so yes the one or the other experienced hobbyists.