Ableton Forum

Well, imagine that: User error. As always, I figure it out after sending an email. The Motif transmits all controller messages on midi port 3 (as listed in my midi debug output). I only had remoting turned on for port 1 and 2; port 3 was hidden and I needed to scroll down to see it.

I'm probably going to elevate this to a direct email to Ableton, but here's a bit more information.

Using MidiMonitor I can confirm that the Motif is sending the following (completely reasonable) midi messages:

Knobs
YAMAHA MOTIF8 Port3 Control 1 Pan (coarse) 62
YAMAHA MOTIF8 Port3 Control 1 ...

The wrong midi-in light is lit when using the sliders. I expect the midi-map light but instead get the track light. When pressing normal keyboard keys assignments are made as expected. The Remote option is enabled for both of the Motif midi ports.

I can map the knobs, but only when the remote ...