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Elevation wildly inaccurate

MYKLBEE
over 2 years ago

Since March 3, the elevation recorded by my Forerunner 945 is wildly inaccurate.  Typically it will start me over a thousand feet below sea level, then suddenly jump tens of thousands of feet, though sometimes the opposite.  A couple have been gradual, but still tens of thousands of feet.

The only triggering event I can think of is that I this is since I did a couple of runs on a treadmill.

I did update to FW 12.0 yesterday (March 17) but it didn't help.

Indoor March 3

Indoor March 5

Outdoor March 8

Outdoor March 11

Outdoor March12

Outdoor March 15

Outdoor March 17

Outdoor March 18

  • 0 over 2 years ago

    Just to follow up, I reached out to customer service via chat, and it seems my barometric altimeter is borked.  They're replacing my watch.

  • 0 over 2 years ago in reply to MYKLBEE

    Then most of the altimeters mounted on FR945 and Fenix 6 are faulty, they have never worked well, just do a search on the forum, Garmin doesn't know how to solve the problem and proposes a change, mine works fine one day and the other scores slowly climbed even still at the desk, check the temperature variations and check the altimeter, they have a wrong algorithm. Out of curiosity please let us know how the replacement will perform over time, thanks mate

  • 0 over 2 years ago

    Same issue herr. Im not sure if it started before or after the update to 12.0... I'll contact service.

  • 0 over 2 years ago in reply to bencho1

    Mine couldn't have been simpler.  Contacted via chat.  The "hardest" part was taking a pic with my phone, then getting that pic onto my PC so I could send it using their secure file exchange service.  I hope yours is as easy!

  • 0 over 2 years ago in reply to MYKLBEE

    Well, I had similar issue with 3 units of 935. But with that model altimeter, barometer and teperature readings were gone. Now Baromenter and temp looks working.... Let's see.

  • 0 over 2 years ago in reply to bencho1

    Following up, support has already approved to send me a new unit.