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Hi All,

I just upgraded the firmware (3.1) on a DIY tricopter which had V2.8 arming just fine.

Now when I was testing arming, the three motors start by themselves and I can only accelerate them but not shut them off via radio. Is there a PID I have to change? I calibrated them before.

Also, the reason I upgraded is the my first trial on lifting it, the copter kept flipping right side on all attempts.

First I need to solve the self-start motors so I can fix the flipping issue.

Any help will be appreciated or if there is any link to this issue please respond.

Thanks a lot!

Sergio