Robert H Gurnee , IL February 17, 2024 Appliance: KitchenAid 30" Built-In Electric Combo Oven Thermal Convection KEMS308SSS04 Kitchenaid Oven Kems308sss04: The upper oven heating element failed. How to replace Oven Broil Element. Replaced the broil element. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours