Whirlpool electric range WEE750H0HZ1 won't heat past 305deg

Brand: Whirlpool
Model Number: WEE750H0HZ1
Main Symptom: Oven does heat past 305deg
What happens & when: Set preheat to 350 and it takes forever to make it to 305

Error Code (if any): on edit: F6E0
Parts or tests already tried: Replaced broken bake element, passing test on oven thermal sensor (1084 ohms), tested broiler and bake element continuity ok. Bad control board???
Photos / video link:

Throwing a F6E0 error. I have a multimeter to check continuity but can’t tell looking at the wiring diagram how to check the continuity between the UI and the ACU (as it references to in the service technicians manual pg9).

Here is a tech sheet and on page 4 it will telly ou how to test the keypad.

tech-sheet-w11327467-reva.pdf (893.7 KB)