Hi there I believe I am having a similar problem. I am going through a pretty big ordeal with a fireface ufx right now. I had a lengthy RMA due to a dead midi port, about 8 or 9 weeks into it, I emailed support@rme-audio.de inquiring about the status of my interface. I never got a response, but its ok because I did get the unit back eventually. Except the one I got back has a big scratch on the face of it. I sent another email on the night of the 14th in regards to my current situation and included pictures of the interface. I haven't got any response back yet, I know it hasn't been that long yet, but I am concerned that I am maybe having the same problem as the original poster of this thread. I checked my spam msgs too and nothing in there.
Can you confirm that you received my email and if you did, was their a response emailed back to me? because I didn't receive it. The subject was "Fireface UFX ordeal".
Thank you very much for your time
- Dan W