I'm having the same issue, but I'm on a mac and my mic is a shureSM7B. I get no sound out of my interface, headphones, speakers, or computer. It just stopped working out of no where a little while after I plugged my headphones in.
I'm using a macbook pro. I had my interface set up and working for a long time. Recently after plugging my headphones into the interface, it stopped putting out any audio at all, from the speakers or headphones. The power light is on, my computer recognizes it, and audition shows that it is picking up sound from my mic, which is plugged into the interface in question lol. I've tried unplugging the headphones, restarting everything, changing usb drives, and I haven't gotten anything to work. Pls help I just want to record my little songs <3 Thanks!