XDJ RX something wrong when i'm play

Hello and sorry for my language .
Well, I have Xdj RX controller with the new software 1.80 recently noticed something wrong with him while playing only sound controller issued a " buzz " and hung up as you can see in the video I had to restart it .
Anyone know why something like this happens ? It happened the second time .
I have concerns because what how such a thing to happen during the show ?