Don’t know if you ever got an answer on this. I had the same problem and finally fixed it by resetting the MBU400 to the factory settings.
Kind of brute force but after fiddling with settings for an hour it was the last resort option and it worked.
Don’t know if you ever got an answer on this. I had the same problem and finally fixed it by resetting the MBU400 to the factory settings.
Kind of brute force but after fiddling with settings for an hour it was the last resort option and it worked.