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HRM Pro

Anyone, had any HR data during a workout with just - - -  in the HR field, and then intermittently display HR data... I don't understand, it's just all of a sudden started doing this. Have had it for over 18 months with no issue. 

At first I thought it was my Vivoactive so I got a Fenix 7, but the issue persists on that. I washed the strap, changed the battery and reduced the sizing for a more snug fit, but it sometimes continues to intermittently display a hr value and then - - -

I'm not happy with HR reading from the wrist only, seems to be wildly inaccurate... So I like using the strap for more accuracy.

Any thoughts? 

TIA

  • I just bought mine and thats exactly what is happening to me, shows the HR, then ---, then HR, then ---.

    Even when finishing the session you just see massive drops on the chart!