While you wait for answers, we may have found some information which could help you.
Click here for After Replacing RunMy kitchenaid professional series stand mixer won't turn on?
Kitchen Aid - speed lever?
kitchenaid mixer model k5m90wh?
My Kitchenaid blender spindle has broken?
How to disassamble kitchenaid KSM90 mixer?
how to replace the power cord on a kitchenaid K5-A ?