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I have an 828es. I posted recently regarding the Surface Pro touch fixes, and am now running a beta firmware. But I have no idea whether this firmware is the issue and don't have time to diagnose between now and when I need the mixer. I'm hoping someone out there has some experience with this.

My band is playing tomorrow and my plan was to use my 828es as the centerpiece of a live mixer. With a wireless router attached, and with additional mic pres coming from an external unit through ADAT. There is no computer connection that is relevant here (and nothing connected to the USB ports).

Everything was working great, but 4 or 5 times over about a 2-hour period, everything dropped out. Then came back. Each time was for 2-5 seconds. The 828es is in a rack with an open space below it and some gap above it. It was a little warm, but not hot at all.

I will reach out to support in hopes for a fix and some help, but given it is super intermittent, it isn't like I can easily reproduce it.

Does anybody have any experience or thoughts that might help? (I need a different mixer for tomorrow, but I don't want to abandon this solution).

Yikes!

I've not had a similar experience, but my 828ES is used in a more typical studio setup.

Hope the show goes ok!

A quick update; but no real news. I have been in conversation with MOTU support and they haven't heard anything like what I experienced. I did attempt to reproduce the issue, by running the same setup (mostly) for > 8 hours with a video camera trained on it to see what I could learn if a dropout occurred. But, I haven't reproduced it yet. I am guessing some power quality issue may have been to blame, but that is just a guess. I don't know if, say, a voltage sag would result in this type of behavior.