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    Heart Rate Measurement stops

    Scheduled Pinned Locked Moved Suunto 9 Peak Pro
    suunto 9 peak pro
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    • W Offline
      whiplash @michmccoy
      last edited by

      @michmccoy same here. Watch is 6 days old. This morning no record of sleep. Not through the day. I read a shutdown and restart of the watch fixes it. Can confirm it does. Assuming it will go for another 6 days and stop again.

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      • C Offline
        claenn
        last edited by

        SPP9: Has anyone already tested the update version 2.39.34.22544 with regard to the heart rate problems described above?
        I would like to read your experiences first 😉

        A 1 Reply Last reply Reply Quote 0
        • Thaisa LaffitteT Offline
          Thaisa Laffitte
          last edited by

          since I bought the problem was persistent just one day per week. But know atfter the updated 2.39.20, is even worse, everyday I have to reset.

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          • Brad_OlwinB Offline
            Brad_Olwin Moderator
            last edited by

            A fix now for this and working for me.
            https://forum.suunto.com/topic/12340/new-update-2-39-34-9-peak-pro

            Vector/T6c/Vertical 2 Ti

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            • A aa2010 referenced this topic on
            • A Offline
              Aynrnd @claenn
              last edited by

              @claenn I just followed arkaitgavan’s instructions to change the software and I selected the 2.39.34. That was the only other option for software. The previous software was 2.39.20. I was having the same issues with the watch not measuring sleep and not measuring heartrate without a soft reset at least once per day. Fingers crossed. Stay tuned

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              • Jan H. 0J Offline
                Jan H. 0
                last edited by

                Just to add, I am having the same issue of the optical HR sensor crashing with my Race S (2.39.20). 2.39.34 is not yet available for this watch. Thanks @arkaitzgalvan for the instructions on how to go back to the previous firmware as it didn’t happen before the update.

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                • M Offline
                  magbueno @Aynrnd
                  last edited by

                  @Aynrnd , as said in the Suunto app the new version is a downgrade to a previous version of the software to fix a critical issue caused by the latest update. This software is practically the same version as 2.37.48.
                  If your 9PP was fine before, It should be fine now.
                  Good luck!

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                  • A Offline
                    Aynrnd @magbueno
                    last edited by

                    @magbueno Great news! The 2.39.34 software update fixed my problem!

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                    • Jan DuerinckxJ Offline
                      Jan Duerinckx
                      last edited by

                      I had similar problem with with my 9PP running software version 2.48.16 and now after the upgrade to version 2.50.28 still: out of the blue the heart rate monitor LED lights stop working. Only after switching the watch off and on again, it reactivates. I want to track my sleep and HRV and the failure happens most often at night messing up the statistics.

                      Anyone knows a sustainable solution? Much appreciated.

                      Charles LanahanC 1 Reply Last reply Reply Quote 0
                      • Charles LanahanC Offline
                        Charles Lanahan @Jan Duerinckx
                        last edited by

                        I am running into the same issue on my suntoo 9pp with the 2.50.28 version :'-(

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