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Anyone STILL having heart rate accuracy issues with their Fenix 6?

Former Member over 5 years ago

Hi all,

Super frustrated, but I am still having issues with my Fenix 6S and heart rate accuracy even with the 4.20 software update. I'm wondering if it's just me or what the deal is? I had a 5S Plus before this and had no issues doing the same activities so I really don't think it's user error. My heart rate hardly reads over 110 during really vigorous exercise when my heart rate is closer to 160+. I have tried wearing on the inside of my wrist, tried my other wrist with no luck. It consistently reads 80-110 bpm the whole time. I wouldn't have bothered to upgrade if I knew this was going to be an issue. I know that wearing a chest strap is the most accurate, but I don't like to have to wear it for all of my work outs and my old Fenix was totally fine as well as my apple watch before that. Any suggestions?

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0 Former Member over 5 years ago in reply to Former Member

You are in bad performance conditions, you should take a break !! Lol. I know these kinds of stats... exactly the same during the first month I own the F6... until I bought an H10 and lately, an OH1. Polar should do a lot of business with F6 owners.

0 Former Member over 5 years ago

Hello come searching advice on heart rate accuracy with then fenix 6x as have had the fenix 3 and 5x plus and have had problems with both regarding tracking high intensity and weightlifting sessions. Always been fine for biking, running etc, but as soon as I do CrossFit or weights I get the same as mentioned above and constantly reads between 60-100bpm at any effort level and have to use a heart rate strap to rectify but only on these activities. Was hoping these activity profiles may have been fixed and spoke to a Garmin rep and they said the sensors and profiles have been upgraded but they have no data so to check forums. Bit reluctant to spend another big chuck of money to keep having to wear a chest strap on the activity profiles I use the most.

0 Former Member over 5 years ago in reply to jarivee

Same alert in a meeting!!!!

0 Alexandru Pastor over 5 years ago

Fenix 6 Sapphire here, with 6.10 installed, did a hike today, still broken sadly, it seems a little bit better than 5.X, but not by much. It's kinda weird that the issue for me is not present when running, not sure if walking / biking / swimming is working correctly as I didn't test that.

0 BabaGanoush over 5 years ago in reply to Former Member

Same same, it works well outside activities, with running and cycling seems OK, but way off (half what it should be) when backcountry skiing for instance.

0 AndreiDracul over 5 years ago

Here we are begging for advertised working hr, and apple watch is saving lives (though I don't know if i would rush a kid to hospital due to wrist device spiking, we dont hear the false positives) www.tomsguide.com/.../apple-watch-may-have-saved-13-year-olds-life

0 nefor over 5 years ago

I had the same issue today with my Fenix 6 solar, it’s sucks that Apple Watch showing heart rate more accurate than $1k Garmin watch. I was using Apple Watch on one side and Garmin watch on another, and Apple Watch shows my heart rate was the same as on stair stepper screen, while Garmin shows something completely different.

0 AndreiDracul over 5 years ago in reply to bluefish

Example with ascending descending stairs. Started at floor 10, went to 14, down to ground, up to 10. First is fenix 6x secured on my wrist, no movement to watch, above wrist bone. Second is oh1.

0 jarivee over 5 years ago

When you post these findings, are you having some activity started in watch that uses ohr or just use it on watch mode? Is the issue happening on both watch mode and during started activity? And is there differences between activities? Somebody was saying that Cardio activity might be working ok? I've noticed that hr is quite low when in watch mode.

And most important, are we having some spec from Garmin of how ohr suppose to be working in any all modes? I believe that in watch mode, hr is checked not so often than in some activity ongoing.

0 Former Member over 5 years ago in reply to jarivee

I have also had these high HR alerts with the latest firmware when my pulse was something like 60-70. Garmin support didn't acknowledge this problem but I haven't had any since September and now three times so it's definitely the new firmware. WHR on this watch is not reliable.