During our last 2 gigs, I have experienced 2 different issues with the T4s. First off, I had an Issue where the T4s was unable to stay on (using tonematch cable) at the beginning of a show. If I moved the cable it would restart. I figured there could be an issue with the cable, so I grabbed a different ethercon cable and all was well. Along the same lines, during setup of the following gig, I plugged in the T4s (with the cable that was working) and there was no sound going to the L1 model 2. Trim levels were showing signal input, but nothing was coming out of the tower...I tested all channels including aux 5/6. I switched the ethercon cable (back to the one that wouldn't work during the previous show) and everything worked perfectly. This is troubling because I feel as though I could be in trouble at any moment when I show up to a gig.
The second issue is that channel 2 of the T4S has consistent noise even with no input. Every time I power on the T4s, the trim lights up solid green for about 10 seconds (only on channel 2). Eventually the light goes off and responds normally to signal input, but with a microphone plugged in I am noticing a lot of extra noise on that specific channel. I have tried cable and microphone changes but the problem consistently exists only on channel 2.
Any help would be appreciated. Thanks!