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Charge 6 heart rate not accurate when exercising

‎04-14-2025 06:33

‎04-14-2025 06:33

I bought the Charge 6 because it supposedly had the most accurate heart rate monitoring.  It is accurate when *resting* but when I am exercising, it does not ever go above 100. From using prior devices I obviously know when I am jogging that the heart rate is elevated, but I get no zone minutes now because of this issue.  Does anyone have any suggestions?  I have tried restarting it, wiping it off, adjusting the band, all the usual tricks. The band is kind of weird on this model so maybe I can't tighten it enough?  Do I need to have a special band for exercising?

Before I had a luxe and half the time it could not find a heart rate at all when I was exercising and it would register maybe half of my zone minutes, but now with the Charge 6 it seems to always pick up the heart rate, but the readings are just wrong and I get zero zone minutes.  It is the most frustrating thing.  I want to enjoy my workouts not be frustrated by my fitbit not working.  It will auto-recognize a run, but yet say my heart rate is avg. 96 the WHOLE TIME during the exercise.  If it can't accurately monitor exercise, really what is the point?  

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Thursday

Thursday

Same here. I’ve been using Fitbit for 10 years, first had a watch then Charge 2, 3, 5 and now Charge 6 so I have a pretty good idea of my heart rate at a particular pace. The Charge 6 recorded it the usual way for about a week after I switched but one day it started showing Light when I was going at a pace that usually puts me in Vigorous. I tried all the tricks that you did but it continues to keep me in Light no matter how fast I go. I’ve got a Garmin in my cart at Amazon and am just about ready to hit send. 

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