Control panel comes off and on after power outage

After a recent power failure the control panel on my Jenn Air oven goes black and then comes back from time to time. Mostly, it’s off and not working. Sometimes it comes on and off rapidly for a few minutes before going out. Am I in need of a new clock/control panel shorted out from the electrical outage or could it be in the wiring of the oven? How can I tell?