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Question: During a workout my BPM number will turn grey. Does anyone know exactly why this happens?

My watch is on securely, not too tight and not too loose, as Apple suggests so I know that is not the cause. Has anyone notice this happening during their own workouts?

WATCH SERIES 3 NIKE (GPS) 42MM, iOS 11.2.1

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Apr 19, 2018 3:41 PM in response to hobs89 In response to hobs89

I have had this issue for quite some time now and no one seems to know why. At first I thought maybe it was because my heart rate was too high, but then I realized I never set a range, like with my Fitbit. I have noticed, however, that the green light that used to flash, doesn't any more. Do you have the same issue?

Apr 19, 2018 3:41 PM

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Apr 19, 2018 5:22 PM in response to suefromflossmoor In response to suefromflossmoor

Aside from the other occasional heart rate hiccups probably from a loose fit I have run into this issue a few times with the outdoor walk as well. Today using outdoor cycle it wasn't working again. I restarted the watch with no cure. I restarted it once more after closing all apps in the dock and it started recording the heart rate in workout once again.


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Apr 19, 2018 5:22 PM

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Question: During a workout my BPM number will turn grey. Does anyone know exactly why this happens?