Moderator

Magnetometer Issue? Arducopter 2.2 b2

So I uploaded the newest code via MP. I was going through my tests and did the compass test. The test came back as "Not Healthy" for the Magnetometer. What is this a sign of? What could I do to remedy the issue? Its hard to believe the magnetometer would have given out so quickly.. its only been a few months using it really... I have had it mounted to the board without issue since I installed it.

So, in addition to all of the random raw sensor data spikes I am seeing, the copter will only roll over on its side on take off..

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Replies

  • Moderator

    It certainly is a magnetometer issue. I could push ever so lightly on the APM and start to get values from the MAG  in the terminal screen. I tried de-soldering everything and then re-soldering it but I have not had any luck thus far. Is it possible that there is a break in the board somewhere, so that when I push (bend) the MAG a little bit, I am completing a broken connection?

    I am not sure sure the roll over issue would be result of a mag not being present but I'll see when I get it working again.

  • Moderator

    I'll try and grab a video capture of the raw sensor data output in the morning.  I'm really surprised the copter will not even take off. I'll look at the soldering tomorrow morning and perhaps re-solder it to the main board.

    I am really hoping I can remedy the matter without having to purchase a new magnetometer (3wks shipping). Might be better off to upgrade to a new APM 2.0 when they become available next month.

  • Developer

    Grips,

    So that means that the APM wasn't able to successfully talk with the compass so the compass isn't working or the wiring/soldering is broken I'm afraid.

    Probably best if you're more specific about "raw sensor data spikes"...there's a lot of sensors on the APM.  Logs and/or videos would be best.

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