Question

I have a Studiolive 32 series lll mixer and a 32R we use as a stagebox. Two of the channels on the 32R recently stopped working. I did the most recent update on both. Please advise.

Answer 1

Test the 32r on its own and factory reset the 32r. 

Link: https://support.presonus.com/hc/en-us/articles/115004856203-StudioLive-Series-III-Rack-Factory-Reset-and-Firmware-Revert

If the issue remains, log a support ticket.