Thanks
Under certain (yours) conditions taking power off of a circuit board will reset it.
That's why I suggest putting your initials on the board before you take it in.
Here are a couple of places if you want to replace your board.
You'll need the part # for your board.
https://www.dinosaurelectronics.com/UIB_Chart.htm
Or
https://www.amazon.com/Dometic-Atwoo...s%2C456&sr=8-7