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    Heart Rate Measurement stops

    Scheduled Pinned Locked Moved Suunto 9 Peak Pro
    suunto 9 peak pro
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    • thailonT Offline
      thailon Bronze Member @Adamhert
      last edited by

      @Adamhert nobody knows, that’s the fact.


      T3c, Quest, Ambit3 Peak, 9PP, Vertical

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      • W Offline
        wakarimasen Silver Members @Adamhert
        last edited by wakarimasen

        @Adamhert said in Heart Rate Measurement stops:

        The heart rate measurement stops more and more often during sleep. When will this bug be fixed?

        Just curious - have you sent logs to Suunto, each time it has happened? I am one of the ones for whom this has never happened, by the way.

        Suunto Race Titanium
        Suunto Ambit3 Peak
        Polar H10
        Polar OH1

        A M 2 Replies Last reply Reply Quote 0
        • A Offline
          Adamhert @wakarimasen
          last edited by

          @wakarimasen How can I send a log to Suunto?

          W 1 Reply Last reply Reply Quote 0
          • W Offline
            wakarimasen Silver Members @Adamhert
            last edited by

            @Adamhert said in Heart Rate Measurement stops:

            @wakarimasen How can I send a log to Suunto?

            I’m sure the Admins can provide better help than me, but if you look in the profile section of the app there is a link to send logs. I fear a lot of people that have problems do not send logs to a Suunto, which I’m sure would help to gather data and analyse root causes.

            Suunto Race Titanium
            Suunto Ambit3 Peak
            Polar H10
            Polar OH1

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            • M Offline
              Matúš Bronze Member @thailon
              last edited by

              @thailon, well, for me the watch behaviour has changed: it sounds strange, illogical, but, currently, great sleep tracking.

              I’ll keep you up to date!🤞

              Suunto 9 Peak Pro Titanium Slate
              Suunto Spartan Sport

              #swatt

              thailonT 1 Reply Last reply Reply Quote 1
              • M Offline
                Matúš Bronze Member @wakarimasen
                last edited by

                @wakarimasen said in Heart Rate Measurement stops:

                have you sent logs to Suunto, each time it has happened?

                I have sent logs to Suunto, more or less each time it has happened, but…

                How does this help Suunto to troubleshoot the problem if I am not able to tell to Suunto what was my problem? Maybe an app update introducing the possibility to highlight the problem will be useful…

                Now, as read here on the forum, I have to sent logs and then search, here, for someone “inside” Suunto and tell her/him what was the problem. Not very efficient…😅

                Suunto 9 Peak Pro Titanium Slate
                Suunto Spartan Sport

                #swatt

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                • thailonT Offline
                  thailon Bronze Member @Matúš
                  last edited by

                  @Matúš maybe I could try to change screen from that last one (which I used always) to another one 🙂


                  T3c, Quest, Ambit3 Peak, 9PP, Vertical

                  1 Reply Last reply Reply Quote 1
                  • Ludwig PichlbauerL Offline
                    Ludwig Pichlbauer
                    last edited by

                    Hi together,
                    I think with the latest update to 3.39.20 the bug is back.
                    Yesterday, soft reset helped to reactivate Heart Rate sensor, after today’s “4-hours sleep” (it stopped working again in the middle of the night) I have to do another one…
                    Somebody seeing the same device behavior?
                    Kind regards:)

                    Suunto 9 Peak Pro (current)
                    Hammerhead Karoo 2 (current)
                    Suunto 9 Baro Black (retired)
                    Suunto Spartan Sport Wrist HR (retired)

                    flo7zF pilleusP S M R 7 Replies Last reply Reply Quote 5
                    • flo7zF Offline
                      flo7z Silver Members @Ludwig Pichlbauer
                      last edited by

                      @Ludwig-Pichlbauer

                      Yes I do observe the same since the last update I did 3 days ago

                      I’m on 2.39.20 with 9 peak pro

                      Florian Z.
                      Suunto 9 Peak Pro
                      Suunto Wings
                      Suunto D4
                      Suunto Ambit 3 Peak

                      B 1 Reply Last reply Reply Quote 4
                      • pilleusP Offline
                        pilleus @Ludwig Pichlbauer
                        last edited by

                        @Ludwig-Pichlbauer said in Heart Rate Measurement stops:

                        Somebody seeing the same device behavior?

                        No problems since the last update. OHR, sleep tracking and heart rate variability are working without any issues.

                        https://www.instagram.com/moves.are.life/
                        Suunto Vertical Black Lime
                        Suunto 9 Peak Pro Black
                        Suunto Spartan Ultra Stealth Titanium

                        J 1 Reply Last reply Reply Quote -1
                        • Ecki D.E Offline
                          Ecki D. Bronze Member
                          last edited by Ecki D.

                          Same here after the Softwareupdate!😢 This Morning HR and Ox stopped to work during the night. Sleep tracking stopped too.
                          Watch enters Sleep / do not disturb mode at 23:00. Measurement seemed to stop at around 2:45, when the OX Sensor seemed to do its last measurement. OX Sayed last measured 5 hours ago when I realized it around 7:50. So I guess there is a coincidence between HR sensor and ox sensor.

                          Will try to turn of OX sensor if it happens again.
                          Couldn’t reproduce while starting OX measuring manually.

                          Didn’t have this issue for quite a long time.

                          Herzfrequenz_0.jpeg

                          HR After Restart of PP9
                          Herzfrequenz.jpegBildschirmfoto 2024-12-19 um 11.04.02.jpeg

                          https://www.strava.com/athletes/37982563
                          https://www.instagram.com/macdev

                          1 Reply Last reply Reply Quote 1
                          • J Offline
                            jussim Bronze Member @pilleus
                            last edited by

                            @pilleus Same here, so far at least. Kind of nervous reading about these issues…

                            9PP since 09-2025.

                            Brad_OlwinB 1 Reply Last reply Reply Quote 2
                            • Brad_OlwinB Offline
                              Brad_Olwin Moderator @jussim
                              last edited by

                              @jussim @Ecki-D I have reported as a bug to Suunto, this is under investigation.

                              Vector/T6c/Ambit 3 Peak/S5 Copper/S3/S7 Ti/S9 baro Ti/S9P Ti/S9PP Ti/Vertical Ti/Race Ti/RaceS/Ocean/Wing

                              1 Reply Last reply Reply Quote 7
                              • Z Offline
                                Zvezda
                                last edited by

                                I’ve also had the same problem with HR Measurement stops since last update. Soft reset helps only for couple of hours, then it stops again.
                                Any recommendation how to solve the problem?

                                Mff73M 1 Reply Last reply Reply Quote 0
                                • Mff73M Offline
                                  Mff73 @Zvezda
                                  last edited by

                                  @Zvezda said in Heart Rate Measurement stops:

                                  I’ve also had the same problem with HR Measurement stops since last update. Soft reset helps only for couple of hours, then it stops again.
                                  Any recommendation how to solve the problem?

                                  wait and stay tuned for informations/fixes
                                  https://forum.suunto.com/post/159093

                                  Suunto Spartan Ultra (since 2016) FW: 2.8.24 (retired)
                                  Suunto Vertical all black
                                  Wife : S9PP
                                  SA: Always the latest beta :)
                                  Android 13, Galaxy S205G

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                                  • S Offline
                                    Sergio Nasi @Ludwig Pichlbauer
                                    last edited by

                                    @Ludwig-Pichlbauer I can confirm the bug is back with 2.39.20.
                                    No measurement of heart rate after a random period of time, I just discover it when I need it and a soft reset is required in order to restore the heart rate detection.
                                    Very annoying, particularly because it’s a recurring problem

                                    EgikaE Ludwig PichlbauerL 2 Replies Last reply Reply Quote 2
                                    • EgikaE Online
                                      Egika Platinum Member @Sergio Nasi
                                      last edited by

                                      @Sergio-Nasi as written above this is currently being worked on by Suunto.

                                      What helped me with other firmwares when OHR was jammed: start a manual SpO2 measurement. Maybe you want to try instead of resetting the whole watch?

                                      t6, S6, Elementum Terra, Ambit 3 Sapphire, Spartan Ultra Copper, Traverse Alpha, S7 Graphite LE, S9B Ambassador, S9P Granite Blue Titanium, S9PP Titanium Sand, Vertical All Black, Race Titanium Charcoal,
                                      Race S All Black - TI Canary - Titanium Courtney

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                                      • Ludwig PichlbauerL Offline
                                        Ludwig Pichlbauer @Sergio Nasi
                                        last edited by

                                        @Sergio-Nasi yes, 2.39.20 - Suunto 9 Peak Pro

                                        Suunto 9 Peak Pro (current)
                                        Hammerhead Karoo 2 (current)
                                        Suunto 9 Baro Black (retired)
                                        Suunto Spartan Sport Wrist HR (retired)

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                                        • M Offline
                                          magbueno @Ludwig Pichlbauer
                                          last edited by

                                          @Ludwig-Pichlbauer said in Heart Rate Measurement stops:

                                          Hi together,
                                          I think with the latest update to 3.39.20 the bug is back.
                                          Yesterday, soft reset helped to reactivate Heart Rate sensor, after today’s “4-hours sleep” (it stopped working again in the middle of the night) I have to do another one…
                                          Somebody seeing the same device behavior?
                                          Kind regards:)

                                          Same problem for my Suunto after the last update, some days ago. Reset and manufacturing settings do not solve the problem. The update is 2.39.20

                                          1 Reply Last reply Reply Quote 0
                                          • M Offline
                                            magbueno @Egika
                                            last edited by

                                            @Egika It doesn’t work. Despite starting the measurement manualy the leds doesn’t start flickering. Thanks anyway.

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