"Never raised a support ticket with it. falling back on spare single ESCs as i need a functional drone ASAP. Tested EMAx with MWC autopilot, works like a charm. also tried dropping the refresh rate on ESC signal, no difference.. can't justify putting…"

"Got the same problem with my PIXHAWK firs time setting it up with EMAX 25A 4in1 ESC.
Were you able to figure it out?"