Discussions

Failed to Boot MPU6000

Posted by Wayne Baker on July 17, 2013 at 7:37am

My 3DR APM2.5+ was working fine with 2.91.

So i decided to upgrade to 3.0.1 then the "fun" started.

I was able to upgrade however I had to do the compassmot calibration

Shortly after I could not connect to the apm, it would freeze at the
"Get param" stage 67 out of 296 i think. Connection is via usb. I tried changing
serial port with the same result.

I can load firmwares okay from Mission Planner still. I tried going back to the previous
version with the same reults.

I can also connect via Terminal however when I try to do the

test> imu I get "Failed to boot MPU6000 5 times" then

PANIC: failed to boot MPU6000 5 times.

This is so strange since the apm was working fine before!

Any suggestions ? Thank you

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Replies

  • James Taylor July 30, 2014 at 5:57pm

    I know this is an old post but it might help others who are researching this problem...

    I have the exact same issue with one of my APM 2.5 boards. Turns out the 3.3vdc regulator went out. The tolerance is 3.3 +- 5% and mine is reading 2.99. Replaced the regulator and problem solved.

  • Mauro Netto August 2, 2013 at 6:52am

    I'm having the same issues described. Any solution?

  • Wayne Baker July 18, 2013 at 6:09am

    Update: Reading through the manual for the "ABC" leds , I notice that the "A" red light on my unit flashes slowly.

    Shouldn't this be solid after a while ?

  • Wayne Baker July 17, 2013 at 6:49pm
    Well had another go, downloaded mission planner 1.2.48 and loaded firmware 2.9.1. I was able to connect to the apm in mission planner and also no errors in terminal during the tests of IMU . Very strange .
  • Chase Friedman July 17, 2013 at 11:31am

    Have you tried deleting the resetting the apm and deleting the firmware before upgrading or downgrading?

  • Moderator
    Graham Dyer July 17, 2013 at 8:15am

    Sounds like board failure:

    diydrones.com/forum/topics/new-apm-2-5-setup-problem

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