03-09-2021 16:17
03-09-2021 16:17
03-09-2021 22:45
03-09-2021 22:45
If you have tried restarting the watch and going to settings and making sure heart rate is set on then it could be related to a recent update issue. Probably best to contact Fitbit Support directly. They may be able to help you.
Author | ch, passion for improvement.