Y6 motors 5 and 6 dont spin up - Pixhawk config problem?

Hi,

I'm building a Y6 and all goes well until I try to spin the motors up.

I'm using a Pixhawk and APM planner.
I've flashed V3.2.1 and selected the Y6 (X) frame.
All initial setup goes ok.
I can calibrate the ESCs.
Arming succeeds.

But - when I arm, motors

Read more…