Jim B Santa Maria , CA October 15, 2022 Appliance: KitchenAid 5 Quart Artisan Tilt Head Stand Mixer KSM150PSMC0 Kitchenaid Mixer Ksm150psmc0: 17 year old Kitchenaid mixer was running at high speed on all settings. How to replace Speed Control Plate. Replaced the Speed Control Plate, Phase Control Board, and Speed Governor. The online AppliancePartsPros.com videos provided thorough, easy to follow instructions. Now this classic mixer runs like new! Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes