Denise W Macon , GA May 28, 2018 Appliance: Jenn-Air Self Cleaning Slide-In Electric Range JES8850AAS Jenn-Air Range Jes8850aas: F1 7 & 8 error codes. How to replace Control Panel Assembly (Blk). Replaced control panel 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours