Reinhard B West Palm Beach , FL January 04, 2017 Appliance: General Electric Electric Range JS905SK1SS Ge Range Js905sk1ss: F7 error message. How to replace Key Panel Assembly. It's a very simple and easy procedure to replace the display/touch control. 1. Turn power off at breaker box. 2. Remove the 4 knows by pulling on them. 3. Use adjustable wrench to loosen nuts below knobs. 4. Use screwdriver to remove screws. 5. Take off face plate. 6. Remove a couple more screws, remove main cover. 7. Detach plastic connector of old display, reattach new display cable. 8. Re-assemble and turn breaker on providing power to range. Should be ready to go. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes