"Well, I have tried all the ports with same results. I tried 2 things.On my gimbal (Basecam) you can see the PWM signal coming in and it jumped back and forwarth from 1080 to 1800.Then i used a simple servo tester, powered by the pixhawk (no external…"

"Hi, I have had the same issue on my pixhawk, the result was a very noisy AUX output on the device, actually all AUX were noisy. I had no chance to fix it.If you fly a quad or hexa try to use RC 8 instead of AUX output,it may work.cheers"