Hey guys, I plugged in our band 01v into a house rig lastnight, and I was getting a white noise along with the audio last night in the pa. I did all the usual trouble shooting , checking the house console channels etc, it's defineatly the left output out of the 01v. Anybody have any suggestions as to what it might be? I have presets for each bar that we play, so I reloaded the last time we were at the club, no issues at that time. It sounds like when you crank a preamp, without anything coming out , that " board hiss" , but there is audio passing with that noise, if we play anything, it's not just "dead". to limp through, I panned everything straight up and only used the right output.... Any thoughts? It's not open channels either, I muted all the channels (on both layers) and the noise still came from left, muted all effects returns as well.... There is a 4 ch xlr card in the back to make it full 16 ch input.