Altimeter is going crazy (-10k to +50k)

I'm currently in software version 13.00 on a forerunner 945 and the altimeter widget is going completely crazy (from 50k to -10k in the last 4 hours).

Does anyone else have this strange issue ?

Thanks

0 Garmin-Sierra 3 months ago

TehesFR

I am very sorry to read that! Please see The Elevation Reading on My Forerunner 945 Is Wrong. If you have any further questions or concerns, please contact Product Support directly.

0 Ste_globe 16 days ago

Did you resolved?I have same problem after last firmware ,I have to put a new firmware and hope fixet that problem

0 TehesFR 16 days ago in reply to Ste_globe

no... still the same, nothing fixed the problem

0 Ste_globe 16 days ago in reply to TehesFR

ok,I don't know why,when make altimeter calibration work good and when I'm back to main altimeter app ,back 200000000000 m.