Uploading code via APM Planner for the first time

I'm trying to upload to a newly soldered APM and getting the same error every time. I'm using a macbook pro with fusion 3.1.2 and APM Mission Planner 1.0.20

 

Here is what I'm getting. Any ideas? I've never had a problem communicating with it via arduino.

 

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  • I've tried APMplanner and Mission Planner. I use Win 8, 64bits

    Sometimes they works, sometimes, they just give me these error. any solution? Thx

  • I was only powering it via USB and nothing else hooked to it. Now I hooked up a 10A BEC but I'm getting the same error. I'm using fusion on a mac which is slow with 4GB ram. Is there a mac version of Mission Planner?
  • Developer

    it apears to be erroring in the download phase.
    there are 2 posible issues.

    firstly the comport is in use/not open like it says.

    the second is the apm might be browning out. do you have a receiver/servos pluged in. if so please remove them and try again OR power the servo rail, to make sure that a brown out wont occur. Ive added more error message in the next version of tha planner, so can identify where its failing.

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