I have APM 2.0 with firmware 3.1.1 and when I try to Calibrate Accelerometer always obtain a error message (Calibration FAILED) in GUI interface even CLI interface of Mission Planner (version 1.2.93 and new version).
The same procedure with CRIUS AIOP v1 and MegapiratesNG 3.1-beta works fine.

Here are some values i have obtained

[MAV 001:1] Offsets: 30.08 37.81 60233.22
[MAV 001:1] Scaling: 351.42 357.95 9.43
[MAV 001:1] Calibration FAILED

[MAV 001:1] Offsets: 14.07 287.32 209215.6
[MAV 001:1] Scaling: 853.50 766.34 6.48
[MAV 001:1] Calibration FAILED

[MAV 001:1] Offsets: 133.42 1945.75 2732363.
[MAV 001:1] Scaling: 897.23 1010.57 141.65
[MAV 001:1] Calibration FAILED

Could be a hardware problem?

There is an alternate to complete the procedure?


Yours Sincerely,


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I have found through the raw sensor view that zacc seems to be broken.
All the values change when I move the controller as in accelerometre calibrtion sequence except zacc that alwais remain at aproximately -1000 even if controller is flipped upside down.

Is the board broken?
What does I should do?

It could fly without z accelerometer?

I haven't could to make never the accelerometer calibration

There are any solution?

Yours sincerely

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