Moderator

Quadcopter - APM 2.5 LEDs

Hi guys,

After finally getting everything set up and working fine, I came back to it today and found that the ABC LEDs just don't want to play normally - and the motors won't spin up.

When I connect the battery I get the musical tone of the ESCs, then three beeps and then one more beep.  The A and C LEDs flash quickly and then slow a little but continue to flash.  B doesn't come on at all.

 

Can anyone shed some light on this one?



Edit: I noticed that just one of the ESCs is much warmer than the others

 

Cheers,

David.

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Replies

  • Moderator

    After trying the same thing for 4 times it is now working - as in the motors spinning.

     

    I connected my quad to Mavlink recalibrated the radio and accelerometer.  Plugged the batery in, armed the ESCs and voila.  It's working.

     

    *shrugs*  Need to work out why it might be doing this.  But have tried this 5 times now and has worked each time since. first working.

  • Moderator

    So after some more testing - I see that after 'arming' the ESCs, I can get the A light to stop blinking.  Just stays solid.  The C light is a solid blue.  However, I still can't spin the motors.  When I connect to Mavlink it says disarmed across the HUD.  This is via USB cable.

    B light still nothing.

    I have checked out this link - http://code.google.com/p/ardupilot-mega/wiki/LED

    But any thoughts?

  • 100KM

    The warmer esc would be the one supplying power to the board.  It's the 5V regulator of the esc that's heating up.

    In arducopter B led doesn't come on.

    A blinks when unarmed, solid when armed

    C blinks when no gps lock, solid when 3D gps lock.

    Very fast 'dancing' lights means that gyro's are calibrating, don't move it during this phase.

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