Question about KitchenAid KSM50PR Professional Series Stand Mixer

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Kitchenaid 350 stand mixer power problems

My Kitchenaid 350 stand mixer is approx. 5 years old, and has been used very infrequently (i.e. < 5 to 6 times/year) for "normal" use (cake mixes, etc). Since I last used it about 3 months ago, it's suddently developed an intermittent to constant electrical short whenever the mixer is turned on. It doesn't matter what setting is used (1 - 10), it will run either very slowly and stop after a few seconds, or not turn on at all. There's no electrical wire smell, it was never dropped/abused or otherwise damaged, and the main motor assembly has never been exposed to water. Is this a common/known issue with this model? If I wanted to troublshoot before taking to a repair shop what should i look for? I took the back housing off and didn't see any noticeable wire damage, loose connections, or anything that appeared to be worn or otherwise out of the ordinary. If I need to send for professional repair, can you recommend someone in my zip code (55346)?

Thank you!
Michele Ramirez
Minneapolis, MN

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I'd check the brushes. The big black screws on the side of the motor casing, easily removed, but becareful when you put them back. Here were some instructions from another site that helped me get them back in right:
The brushes in my model KP50PSBU must be insert in a particular manner in order for it to work correctly. If you remove the brushes and shine a flashlight into the hole, you should see a small detent or "stop" in one corner of the hole. Its a square hole. Match this corner with the corner of the brush which is shaved off. The brush is not square; it has one corner shaved or smoothed down. This allows the brush to fully extend into the hole. If the brush is inserted any other way, it will not contact the motor and will not run.

Posted on Nov 14, 2008

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