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Gaps in heart rate on Blaze - what does this mean?

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My Blaze heart rate chart has gaps once or twice a week, sometimes for short time, sometimes long.  Any idea what's going on?  Is it my heart or my month-old Blaze that isn't working?

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Most likely explanation is that you are wearing your Blaze too loose during the periods with the gaps, this will cause it to lose HR signal. Have you tried wearing it a bit tighter to see if that improves the readings? 

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Nathan | UK

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I doubt that the band is too loose.  I wear it rather tight and rarely change it.  The gaps occur around once a week, sometimes for a few minutes, sometimes for as long as an hour.

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I realized finally that the band was not just loose, I didn't have it on.  When I checked my times, the Fitbit was charging or I had it off to shower.  My bad.  Sorry.

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