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    Heart Rate Measurement stops

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

      @thailon, since my last message, I can report these:

      • Sunday/Monday: OHR sensor stopped working, with the last synchronization of the watch more or less twelve hours before

      • Monday/Tuesday: very bad sleep tracking (the watch has reported about three hours of sleep while I have slept almost eight hours straight), the last synchronization around 21

      • Tuesday/Wednesday: OHR sensor stopped working again, even if I have synchronized the watch again around 21; strange unusual thing? The weather forecast widget was not showing any data. Then, I do not why, I have changed the watch face to the last one available in 9PP’s watch faces list (never ever used)

      • Wednesday/Thursday: I woke up and, even before I have done a hundred footsteps, the watch has vibrated and lighted up showing me the sleep tracking report (never before so damn accurate!); the vibration and the lighting up of the watch were an unexpected news: it has never happened to me with the other face watches that I have used in the last year

      This morning, again, vibration and lighting up of the watch and a very accurate sleep report at once I have left the bed.

      Well…😓 😓 Is the watch face influencing the watch behaviour?? I’m getting crazy with this watch…😅 And then, now that with this watch face the watch briefly stop the sleep tracking when I get up, what if I get up in the night for some water, the sleep tracking will be interrupted as well?

      @minimark069, I’m not able to give you a feedback referring to the HR belt, I usually train relying on the OHR sensor (for me woks properly).

      Suunto 9 Peak Pro Titanium Slate
      Suunto Spartan Sport

      #swatt

      pilleusP thailonT 3 Replies Last reply Reply Quote 0
      • pilleusP Offline
        pilleus @Matúš
        last edited by

        @Matúš said in Heart Rate Measurement stops:

        what if I get up in the night for some water, the sleep tracking will be interrupted as well?

        I have noticed that the S9PP starts a second sleep cycle when sleep is interrupted (getting up during the night). You can’t see it on the watch or in the app, but if you synchronize the sleep to Google Fit, two sleep cycles are displayed. One from falling asleep to getting up during the night, the second from falling asleep again to getting up in the morning.

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

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

          @Matúš I’m going to try to change watch face, even I like the current one I use.

          Just wanted to write, that my unit didn’t track sleeping last night even I have restarted it before night. I’m starting to be so pissed of more and more and level of annoyment is so high that’s better not to start describing it right now.

          I have find out one thing. I cleaned my watches after some activity and once wet, the green light started to be constantly flashing. I dried it up, didn’t help, so restarted again. Then I use strong light to light the sensor and It started flashing again, so reboot was necessary again. I think it has something to do with hardware.

          Anyhow, I gonna bring the watches back to store when stop tracking is going to happen again. I will show them that’s it is no measuring the values, there is nothing official what to do and for me it means it’s faulty. Enough is enough. I’m Suunto fan from T3c but spending always more than 300€ for faulty units with NO response from company with even no bug fixing for 3 months!!! when user’s - customers - test results showing them issues for free - which is nonsense and nothing is happening, that’s behavior of ignorance and lack of quality processes in this company, unfortunately. I do see basic functionalities are not tested, working and even fixed if reported as buggy.

          Would we use e.g. car if speed is displayed incorrectly and nothing happens? Would you buy car from thus company again? It’s the same. Basic feature.

          But most sad moment for me is lack of communication from company. That’s what hurts the most.


          T3c, Quest, Ambit3 Peak, 9PP, Vertical

          GiPFELKiNDG 1 Reply Last reply Reply Quote 4
          • GiPFELKiNDG Offline
            GiPFELKiND Silver Members @thailon
            last edited by

            @thailon you are right man 👍🏼 Hope you find help here

            If it doesn't challenge you, it doesn't change you. #lifewithasthma #runwithasthma #nevergiveup #pushinglimits #adventurestartshere Suunto D9, 9 Baro, 9 Peak, Vertical Ti, Race , Race s Courtney, SA (Beta) Android🏃🏼🧗⛷️🚵

            1 Reply Last reply Reply Quote 0
            • thailonT Offline
              thailon Bronze Member @Matúš
              last edited by

              @Matúš I use the face you selected from the beginning.


              T3c, Quest, Ambit3 Peak, 9PP, Vertical

              M 1 Reply Last reply Reply Quote 0
              • A Offline
                Adamhert
                last edited by

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

                thailonT W 2 Replies Last reply Reply Quote 0
                • thailonT Offline
                  thailon Bronze Member @Adamhert
                  last edited by

                  @Adamhert nobody knows, that’s the fact.


                  T3c, Quest, Ambit3 Peak, 9PP, Vertical

                  1 Reply Last reply Reply Quote 0
                  • 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

                        1 Reply Last reply Reply Quote 0
                        • 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

                            1 Reply Last reply Reply Quote 1
                            • 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
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