The instinct would record actual heartrate and therefore award intensity minutes. Today I did the same thing with my fenix 7 and after a half hour ride with average heart rate on the edge of 158 the fenix said on screen no higher than 95 for the heart rate. once I finished my work out and turned off the edge and turbo trainer the fenix started Yesterday I purchased a Garmin Run HRM.. i paired it with my existing Fenix 6 Pro. The images are: from Friday, just the watch and from today with the HRM.. (also with the Fenix confirming the HRH is paired and connected).. How do i know the new data is from the external monitor and not the watch? How does HR measurement work whit you? I have Fenix 6 saphire and it does not work at all. HR is never over 120. Usually between 80 to 100. Garmin support inform me to buy chest strap to get this working. This is because HR is changing too fast in tennis. I'm very disapointed because much much cheaper Suunto shows HR correctly so the HR can be Re-enabling Heart-rate sensor. Upgrade to 19.74. Downgrade to 15.2. Updating again to 19.2. upgrading to 19.74. Brand new refresh (factory resetting of settings and data) Fully charging to 100%. Finally, a few days the problems with battery draining and lagging was resolved by simply disabling the Heart rate sensor function. Heart rate broadcast. I just buy a TACX Neo 2T and want to use my Fenix 6 Sapphire to broadcast the Heart Rate to the app (Zwift or TACX), but: - If I broadcast the HR it stuck at the first value the optical sensor read. - If I use virtual run to broadcast HR it doesn't display the heart rate (only - - is visible on the watch). My phone will not connect to the watch; Can I use my Bluetooth sensor with my watch? Restarting Your Watch; Resetting All Default Settings; Acquiring Satellite Signals; The temperature reading is not accurate; Maximizing the Battery Life; Activity Tracking; Getting More Information I need to restart/reconnect wrist hr or hr strap connection to start hr tracking or take watch off for a while. It switches off after stopped or saved workout. even when i still wear hr-strap. Anyone has the solution for this ? It is started after update to 6.0 on my apac version of fenix 5 plus. Thanks for help. Fenix 6x Pro - Sensors Not Working Currently on 16.6. I'm having problem with my Fenix 6x PRO where sensors like HR, Pulse Ox and other Health sensors (Respiration, Stress, Body Battery) stop working and showing no data recently. I realized it just got updated to 16.6 and these problems appear after the watch got updated with this SW version. mqjuspd.