Can't get USB or MIDI keyboard to work with B3

[steve_oakley]

Sound out works
other Arturia plugins work fine with same hardware
using keylab61 connected via USB
I have it selected both as USB and thru its MIDI connection running KL61->MIDI OUT->MOTU MIDI XT
either setup works fine with other Arturia and other company instruments, only B3 and another Artuturia instrument fail to work
restarted app, reboot, restarted keybooard.
10.14.6

[LBH]

Which midi channel are you sending on? Tried midi channel 1?
Which specific applications does'nt work? In example - not all applications is recieving on all midi channels dy default and B3 is one of them as it has 3 keyboard manuals including the pedals, but you are almost certain to get sound, if you use midi channel 1 - at least for the factory presets. There are different good reasons for this, that require to learn about the individual applications.

Are your audio/ midi settings setups the same for all your Arturia applications? A screenshot might be useful.

What's 10.14.6? Mac OS?

BTW: I see no apparant reason to use midi out unless to control other external midi hardware. I would use USB for software. But  perhaps you have a good reason? If so, then i'm interested in knowing and learning.