APM 2 ESC beeping rapidly

I got a problem with my escs beeping rapidly after connecting them to the battery. Jumper is set right and the apm 2 board is also powered. I had my Copter already working with exactly the same ESCs, just got a replacement board because of some other failure.

Do you have any idea, what this could be?? Installed firmware already three times and cabelling seems fine...

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  • Hi Guys

    What I found when changing to a new receiver brand was the same issue it is related to end points and the continuous beep is a "too high"audible warning, I discovered after quite some time a simple radio recalibration should fix the issue and it worked

    So if you change anything recal your radio and retry your process

  • Rapid beeping usually means a power problem with the ESC.

    Double check the wiring on the ESC.  The connectors are pretty big heat sinks so perhaps you have a bad solder on one of them.

    If you are running off of multiple power systems (rather than running the APM off of the BEC from an ESC) make sure the grounds are connected.  A floating ground will also behave like your video.

  • removed by myself

  • Make sure they are calibrated...I am having the same issue, however, I have an APM1. Someone did mention to me that with the current AC f/w and an APM 2 you have to hit the reset button every time.

    I am still having the issue and am just waiting for the a new f/w release (and some free time) to load it and test.

    http://www.diydrones.com/forum/topics/unable-to-arm-hexa?xg_source=...

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