APM 2.5 issue

Hello, I'm having a lot of trouble reinstalling the firmware on my chip. Every time I try to update it I get the error message "Can not detect APM Version. Please check your wiring." I don't know if this means anything but while it is trying to detect the APM version the TX light is flashing showing it has connection. The chip is less than a month old and has never been flown. When I first received it I was able to upload the firmware and everything was working perfectly. However, when I hooked everything up to the plane I noticed that elevon mixing would not working though it was enabled. It would only move one wing. After messing around with settings I noticed that if I reversed Roll and Pitch the working wing would switch to the other one but could I still could not operate both at once. If I do a direct connection from the receiver to the servos it works perfectly. Someone suggested that it might be a firmware issue, which is how I discovered the APM version error message. Also, if while it is checking for APM version if you click the reset button it works. However, it again stops at reading HEX file, which will not work unless you click the reset button again at which point it uploads the firmware and finishes. Any input would be greatly appreciated as I would love to get this thing flying.

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Replies

  • 3D Robotics

    Try: 

    1) A different USB cable

    2) A different PC (after running the MP installation program to install the drivers)

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