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Posted by Lior Zahavi on March 24, 2013 at 5:07pm

Hello guys,

i have a brand new APM 2.5 board with Quad 2.9.1 installed and no matter what i do - all of the sensor calibrations i tried are failing.

usually ill get something lik: Calinration faile (-2.3 0.5 1.4 1.0 1.0 1.0).

Is this board faulty ?

is it safe to fly if the calibration fails ?

when i use the "level" function the artificail horizon display is operating perfectly well.

Please express your thoughts.

thanks.

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John Stuart May 18, 2013 at 2:10pm

I'm having the same issue, cannot calibrate my accelerometers: mine is an APM2.0
Lior Zahavi March 24, 2013 at 5:17pm

After calibration (which fails) under "advanced parameters" i can see the accelerometer correction on Z axis (INAV_ACORR_Z) is about 17 while X and Y are 4.4 and -1.17 accordingly.

accel.jpg

https://storage.ning.com/topology/rest/1.0/file/get/3692664186?profile=original

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