I believe that just happened to someone here... I THINK they had to unplug the power to the box and reconnect it.. ???
But that is a guess of memory.. so........... take that for what its worth , give it a minute and you will get the right answer
2020 3991RD with-
17.5 Goodyear 114's , Titan Disc brakes, MorRyde 8K IS, Onan 6.5..