My oven works. I am able to bake and the clock works etc. But when it is done, it stay hot. There are no error codes to read. There are no glowing elements, but the temperature is at least a constant 250-300 degrees. The door does not lock itself (as I have seen in other threads) ... I had to trip the circuit breaker to shut it down. When I flip the circuit breaker back, then it goes ahead and starts warming back up....but the display shows nothing wrong, the time is displayed and that's it!

any ideas? i was thinking I needed a new control board or something like that. I didn't want to order a part until I new for sure. I didn't see an exact example of this problem...