Chosen Solution
My KitchenAid Mixer is only a bit over a year old. Last week I was using it to make bread dough. I stopped the mixer to touch the dough to see how it was coming. It wouldn’t turn back on, the mixer was a little warm so I decided to finish kneading by hand and let it cool off. I never thought of it again until I went to make brownies today and it still wouldn’t start. Tried a different plugin and no dice. What I’ve done: I checked the brushes on the sides of the mixer, they look in perfect condition. Also made sure they were inserted properly. I checked the switch itself by taking off the back cover and used a multimeter to check that when switch is on, it was making a connection.
If I have correctly identified the type of mixer you have, here is a link to the Service Manual: http://www.kitchenaidparts.eu/documents/…
My issues were that it 1st - only ran on one speed, then 2nd, wouldn’t turn on. The problem (I think) ended up being two loose bolts in the back housing behind the switch controller. When I took off the back cover, they just fell out. I couldn’t find any photos of what the assembly should have looked like, so it was trial and error testing. Once I put the loose bolts back on the “hidden” posts/screws on the far back metal plate and tightened them down (and undid all the other adjustments I tried to make first) it worked like a champ.
