APM 2.5 dead but alive (led)

Posted by Stefano Santucci on May 8, 2013 at 8:30am

Hi all,

 

today after plugging battery I have got only alive led solid, and also board is not reachable from USB as show in the video, no reset, nothink 

 

https://www.youtube.com/watch?v=V5T7HJSikdk

 

any idea before contact 3dr support ?  if (as i asume) they ask to send in USA (from italy) meand 1 months minimum fly stall

 

thanks

 

Stefano

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Tags: 25, alive, apm, dead
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Replies

  • Daniel Olguin February 5, 2014 at 10:14am

    Hi all,

    I am having the same issue and can not find any information regarding this issue.. :( any help please ?

    • Euan Ramsay > Daniel Olguin April 19, 2014 at 11:33am

      And as way of a bump....me too! Green light only - blue?red briefly flash on start up, but it's completely dead otherwise. Cause unclear - was sitting in my spares drawer for 6 months, and worked perfectly before it went in.

    • Allen Merrell > Euan Ramsay April 20, 2014 at 4:21pm

      I had a similar problem a while back. I could not usb connect and had a red light. I had popped the 3v regulator. I plugged in one of the receiver channels into the APM with it under power and the regulator popped. Randy helped me figure it out. I replaced the regulator and everything is OK. I don't know if this is your problem or not but it is what mine was doing.

  • Hermann Töglhofer November 16, 2013 at 8:01am

    Hello Stefano,

    Did you get the problem solved? I'am facing the same problem, the only thing what my board is writing in the terminal is this:

    Init ArduCopter V3.1-rc6

    Free RAM: 1672
    FW Ver: 120
    ----------------------------------------


    load_all took 32193us


    After this it stops and nothing more.

    Thanks,

    Hermann

  • Austin Laws September 17, 2013 at 9:18am
    Hi I had the exact Same problem,but mine had alive led on and TX led on. Same no USB connection. Would still arm but can't program it. I've sent mine back. Check ur USB post that was the problem with mine. Gd luck
  • captaingeek September 2, 2013 at 3:33pm

    Same exact behavior except I have a red alive led

  • captaingeek September 2, 2013 at 3:30pm

    Same problem here. Apm 2.5 less than a year old. Never abused. Just flew a few packs no problem. Plugged in a fresh pack and let GPS lock. After a couple of minutes it died. Esc's started beeping like signal was lost. Plug it in and leds flash, then go out. Alive led is lit, then goes Dim. Not able to connect over USB. I'm wondering is there was a manufacturing defect? I have about 50 flights nothings changed. Just suddenly DOA.what next??

  • AJ Smith May 25, 2013 at 12:24pm

    I have an identical problem.  Sequence of events:

    1. open box

    2. connected to pc

    3. pc sees devices

    4. connects to mission planner ok

    5. after 2 minutes device disconnects (devices disco from pc)

    6. new state achieved (broken)

    Now it'll power up, green light stays lit, reset button will flash a couple of the leds but no connection to pc at all.  Never had any burt-electronics smells or any other "event" that would justify a basic firmware usb/serial device getting destroyed.

    Message sent through 3dr's support page.  Now I'll find out if they support their products - not a question I really ever wanted to test.

  • Developer
    Randy May 9, 2013 at 7:37am

    What did you do to it in those 12 hours between when it worked and didn't work?

    Did you perhaps short it by touching some pins together while it was powered?  How about those big metal screws that are holding it to the bottom of the case...is it possible that those are shorting some traces or pins?

    To be honest, i'm grasping at straws, i have no idea really.

  • Developer
    Randy May 8, 2013 at 8:54pm

    I'd guess that the issue is that the driver has not installed properly on your machine.  You have other APM2s that connect ok?

This reply was deleted.