Took the Kemper to church services today, and worked exactly as normal in soundcheck / rehearsal before the services, but then just prior to the start of the first song (perfect timing), there was a significant drop in volume from the Kemper, as in barely audible in the PA.
I have the Main Output unlinked from the master volume knob, so that the output I always send to the board is the same. (The only thing the master volume is linked to is the headphone jack, so I know I didn't change anything manually going to the board). Our sound person and I met after the first service, and she didn't touch anything on the board, so we isolated it to the output from the Kemper.
Normally, I send a level of output around "3", or 30% but after the drop, I had to crank the output up to 9 to get it to where 3 would normally be.
I was using a floorboard (FCB1010 with latest UNO4 Kemper chip), and between services, I disconnected midi cables, shut amp off, reconnected, rebooted floorboard and amp multiple times, tried different performances, rigs, etc. I even tried without floorboard connected and also checked levels direct from Kemper through headphones, and there's definitely a major drop from where levels had been. Got home, plugged in different guitar, cables, headphones again, and output is definitely very much lower than what it has always been.
I'm running Beta 5.0 firmware currently, and have sent a backup to support.
Wanted to see if anyone else has run into this, and if maybe I unknowingly did something (not sure how or what - it was just a sudden drop), but am open to any starting place to start trouble shooting? I can run the amp at 9 to the board if I have to, but that doesn't leave much headroom for when / if they ask for more volume (when I normally run around 3).
Any help / suggestions appreciated.
Thanks,
Mike