Stand Mixer Not Working or Slipping — Fixes
Stand mixers (KitchenAid and similar) are built to last, so problems usually mean a worn part or a maintenance need rather than a dead motor. Here are the common ones.
1. Won't Turn On
Check the obvious: it's plugged into a working outlet, and the speed control is set above zero. If it hums but won't turn, see the gear section below. If it's completely dead, the power cord, switch, or a blown internal fuse/phase control board may be at fault — testable, moderate repair.
2. Hums But Won't Spin: Worn Worm Gear
KitchenAid mixers have a nylon "worm gear" designed to strip first and protect the motor if overloaded. If the mixer hums but the attachment won't turn (often after mixing very stiff dough), the worm gear has likely stripped. It's an inexpensive part and a known, doable DIY repair.
3. Beater Hits the Bowl or Doesn't Reach
If the beater scrapes the bowl or leaves ingredients at the bottom, the beater-to-bowl clearance needs adjusting — there's a screw under the motor head you turn slightly to raise or lower the beater. A dime should just brush the beater when you turn the bowl.
4. Grease Leaking or Gummy Operation
Old grease in the gearbox can leak (a brownish ooze near the beater shaft) or harden, making operation stiff or noisy. The fix is a gear-grease service — opening the head and replacing the food-safe grease. It's a moderate DIY job and restores smooth, quiet operation on an otherwise-great mixer.
Parts & Tools
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FAQ
Usually a stripped nylon worm gear — it's designed to break first to protect the motor, often after mixing very stiff dough. It's an inexpensive part and a common DIY replacement.
Old gearbox grease softens and seeps out over time. A gear-grease service (cleaning out the old grease and repacking with food-safe grease) fixes it and quiets the mixer.
Always unplug an appliance and shut off its water supply before servicing. This guide is informational and not a substitute for a qualified technician.