Hi, i dont know if it problem with my Amplifi 150 or software/hardware bug.
Can you try someting for me ?
Set "bypass" preset to hardware (no effects, no amp, no cab) then power off/on. Tell me if your amplifi run fine.
My after that start blinkin 4 led and need factory reset.
Power on with holding Volume and tone button.
I need that to verify bug and report it to Line 6