I had a very similar issue. SQ6 with an AR2412. We lost 1-8 suddenly during a corporate event. Couldn’t re-start and had to patch wireless mic to inout 19. Luckily we only needed 1 mic at that point. 1-8 were local inputs. All of the connections through the snake worked fine, both ins and outs. Re-start had all working again. Next we lost 1-8 again but also the ST1 and ST2 inputs, as well as some other inputs that I can’t remember. Again, the lost input channels were all local to the board and all ins and outs from the snake worked fine. In all cases, the meters on the processing page of the affected inputs showed normal levels, but nothing came through the PFL or went to the master outs.
We’ve been using the board for several months without any issue, but this has me reluctant to use it until a fix is made.
