David S Sandpoint , ID May 23, 2022 Appliance: KitchenAid 30" Built-In Microwave KBMC140HSS02 Kitchenaid Microwave Kbmc140hss02: The microwave was no longer heating. How to replace Magnetron (Microwave). Replaced the magnetron, diode, and a light bulb. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours