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Posted by David Harvey on February 11, 2013 at 10:36am

Is there any way I can test the barometer component?

My APM 2.5 was working well until yesterday, when the barometer altitude began reading -22 million meters. The GPS altitude is correct.

I've not changed anything major, and not had any serious crashes, so I'm wondering if the part is bad.

I'm running Arducopter 2.9.1 in a 3DR Quad.

I've run the altitude test from the CLI in Mission Planner. Here's what I got:

alt: 0cm, pres:99731mbar, temp: 309/100degC, raw pres:8772901, raw temp 8128156

Any suggestions?

Thanks,

David

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Frank Prochaska February 13, 2013 at 3:13am

I'm having same issue. I emailed 3D Robotics yesterday to see if these barometer readings were normal.

Im getting this on a a level surface. Im puzzled why the alt would change from a -49cm to +93 while level.