Probably the best way to make all the pieces play nicely together, is through process of elimination—
Narrow it down to the fewest possible points of failure.
This is how I would approach it:
1:
Make sure you know how to send midi data to the QY from Live at all, separate from thinking about sending it via the controller. Trying to send notes to it from a MIDI clip would be the easiest way. If that's not working, then nothing else will.?
2:
Once you have successfully sent MIDI data to the device, turn off the QY and just focus on ensuring that your controller is sending data into Live properly.
An easy way to test that, is load in one of the built-in synths onto a track, Operator for example. Then right-click with your cursor over the Volume knob on that synth and select 'Edit MIDI Map'. Lots of UI elements will now have a color overlaid on them and the MIDI Mappings panel will open on the left. Just move one of the faders on the nanokontrol. If Live detected the input, a new list entry will appear in the Mappings panel, showing the CC# and the assigned control. If that worked, delete the mapping and hit escape to leave the mapping mode, but if it didn't work, then you'll know there's an issue with your controller setup.
3:
If both of those things worked, and the CC# that Live registered was what you had intended (based on your assignments in the Kontrol Editor software), then it must be simply be an issue of correctly setting the controller as the MIDI input to a track and setting the MIDI output of that same track to point to the QY, then arming the track, so the MIDI will get passed through it when you move the faders.
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Apologies if I missed part of this saga and you've already confirmed one of these aspects to be working, hope it helps!
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dusk