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  1. #1
    RC poster
    Join Date
    Jan 2018
    Posts
    4

    Unhappy Compas not healthy

    So i recently replaiced the flight controll board and the gps because of bad crash. Everything back together, all 4 lights come on but wont arm and the app says pre flight compas not healthy. I cant calibrate the compas. Any ideas?

  2. #2
    RC Qualifier
    Join Date
    Nov 2013
    Location
    Ohio
    Posts
    697
    Do the other calibration features, and other parts of the app work correctly? There is a chance that if the crash was bad enough, the blue tooth module was damaged and might be giving faulty errors? Most who have issues with the blue tooth after a crash have said it just stopped working, so it's a long shot that this is the case.
    If you are sure you installed the board correctly, and that other other electronics were not damaged... It might be best to call Traxxas and ask them for assistance with this. Their support people are amazing and I am sure they will know what to do.
    Fly fast, Fly hard, and forget about the outcome.

  3. #3
    Traxxas Employee TireSlinger's Avatar
    Join Date
    Sep 2010
    Posts
    949
    Download the update file from the firmware section of the website and try to update the firmware. Even if the version says it's the same give it a shot just to see what happens. I would download a new file just to be safe.

    You can use the override procedure listed on the firmware page to force the update and if something is corrupted it should correct it.

    Then go through the three calibrations in the app.
    Our doubts are traitors, and make us lose the good we oft might win, by fearing to attempt.

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