Servo Issues with Pixhawk

Hello Everyone!

I have been working on this particular model for a few months now:

http://bormatec.com/index.php?option=com_content&view=article&id=78&Itemid=59&lang=de

There is a Pixhawk autopilot installed, and I have already taken it on its first maiden flight, its only flight so far...

However, now I am having servo issues with my right aileron servo. When I activate the Pixhawk by pressing and holding the safety switch, the first thing that happens is all the servos make this electronic noise and align themselves in their "starting" position. The right servo (the one on the right aileron) has decided to set its "starting" or "zero" position all the way up (as in, its zero position is stuck in a full right turn, with the right aileron up and the left aileron down). Even if I were to unscrew the servo arm and preposition it, the actual mechanics and gears within the servo are stuck in this position.

At first I thought it was the servo itself, as I remember having problems with it for a while. I had a spare right wing with another servo motor on it (essentially identical to the first wing, as I have a couple of these planes here). Replacing the servo motor seemed like a good thing to do.

BUT, once I replace it and activated the Pixhawk again, the same thing happened. As I don't believe that I have 2 bad servo motors (although I might), there is something happening to this particular servo that is causing it to automatically start in that extreme end of its total positioning system (something with the throw). 

I am about to try to test some stuff out and see if I can fix it. I am using a Futaba J10, and I will check and see if there is some setting in there that I need to change. 

I really need this plane to be in the air soon (it's basically for work), so any help on what I can do to fix this would be extremely helpful. 

Thanks for your time and input!

Cheers,

-Andrew

You need to be a member of diydrones to add comments!

Join diydrones

Email me when people reply –

Replies

  • Can you connect the servos directly to the receiver, just to make sure they are working?

    If it is not the servos you should check the cables and make sure the servos are connected to the right port.

    Otherwise, you might need to recalibrate the accelerometers or reflash the Pixhawk.

This reply was deleted.

Activity