APM channles output problem

Posted by Yucong Lin on October 24, 2011 at 6:39pm

Hi All:

    I am a newbie and building my first arducopter.

    I connected receiver to the APM and the APM to the power distribution board as in the wiki.

    No matter how I move the transmitter's stick, there is no response from the motors. There are only 2 long beeps after I plug in the LiPo battery to the PDB.  But the motors work well when I connected each ESC of them to ch3 of the receiver.

    I tried arming method in other post: like move the stick to the right lower conner but it is no use. I am not sure if it is an arming problem.

   I plug a servo to channels 1-5. It does not respond to corresponding stick move.

   The ground station shows that radio input is good ( in the radio setup part ).

   Is it APM's signal output problem?  Can any one help.

   Thank you in advance.

 

Yucong

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Replies

  • 3D Robotics
    Chris Anderson October 24, 2011 at 7:18pm

    The Troubleshooting Guide is here.

  • Ellison Chan October 24, 2011 at 7:11pm

    Go into mission planner, and calibrate your radio, first and see if that solves the problem.

  • Matt Gaige October 24, 2011 at 6:47pm

    Do you know how to tell if the APM is armed?  On the card edge there are three status LEDs.  If the APM is armed the green LED is solid, that is not blinking.  Look at the Wiki picture of the APM to locate the LEDs.  This way you know what issue you are dealing with.

     

    Mat

  • Developer
    Jason Short October 24, 2011 at 6:41pm

    Your radio's throttle is not low enough to arm the ESCs. Lower your throttle using the Trim.

    Jason

This reply was deleted.