KitchenAid KERA205PSS Electric Kitchen Range "aid oven stuck key" Questions

Aid KESA907 Error F2E0 Stuck Key Turn off the breaker and wait for 5 minutes. the follow these steps: --> After turn the breaker back on, go to the range and press "OFF", "OFF", "START", then click on

...oven will only turn on up to 260 degrees. When I try to key in anything higher, the keypad display just says "error" and sets the temp itself to 260. The problem is: the temp seems to be 'stuck' at ...

...aid gas range is showing the following code in the control panel: F2EO in the upper right corner, and the words "Err" "stuck key" on the left side. I have unplugged the range for an hour then after ...