APM 2.5 Accel Calibration failed

Just tried to fire up a new APM 2.5 which has been sitting in the box for almost 2 months. Installed latest Mission Planner (1.2.55). Firmware installs fine (V2.9.1b), but the live data screen doesn't show any gyro or accel input when I move the APM around.

When I try to cal the accel's via the GUI it says "calibration failed (????".

When I do it via CLI I get:

setup] accel

Initialising gyros
Init Gyro**Place APM level and press any key.
Place APM on it's left side and press any key.
Place APM on it's right side and press any key.
Place APM nose down and press any key.
Place APM nose up and press any key.
Place APM on it's back and press any key.
Calibration failed (nan nan nan nan nan nan)
INS
----------------------------------------
G_off: 0.00, 0.00, 0.00
A_off: 0.00, 0.00, 0.00A_scale: 1.00, 1.00, 1.00

Any thoughts?

Thanks!

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Replies

  • Looks like yout MPU6000 is not working.

    Try (just for sake of proof) to test it in CLI-->Test-->INS on the 2.9.xx firmware

    If you see only 0's then it might be that your gyro/accel chip is malfunctioning.

    E.

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