MRCC Firmware Release 1.1.095

[RadekPilich]

If possible, it would be helpful if you can capture the output of your controller so we can try sending all of the MIDI data to test it. Not just the SysEx, but the whole list of commands. I'm wondering if there's a problem caused by switching presets, which can take a little time to load. Is there any delay between the Program Change and SysEx output?

I've added the setup group switch SysEx to the original post.

I'm not sure what Program Change are you talking about, I'm not doing any program changes in this case.

The SysEx coming out of Faderfox is not user intended - it's just some Faderfox stuff that probably communicates to the editor / software to let it know, that setup group has been changed on the device. But it has nothing to do with the use case of MIDI controlling a synth.

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UPDATE: I've had a troubleshooting idea and consequently found a workaround. It seems that only last routing breaks. So I have added additional dummy routing to the currently unused OUT 12, which means that the broken OUT 11 works again