EKF/InertialNav Check, Bad Variance

Hi guys,

I have a Pixhawk nav error.

I look at my logs and found the error was subsys:16 & ECode 2 & 0

By this list: http://copter.ardupilot.com/wiki/common-diagnosing-problems-using-l..., it's cause by EKF/InertialNav Check // Bad Variance.

I'm using all original 3DR quipement (BEC, FC, ...) and I don't using GPS.

Anyone know anything about this issue?

Here's a video of when it's append: youTube link

Merci

Alex

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