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With mu AW Ultra, running with Exercise on, the Heart rate disappears after a hundred meters and shows again @ the end. No data meanwhile. On my last hiles however, no problem.

Hello,

With my AWatch Ultra, running with Exercise on, the Heart rate disappears after a hundred meters and shows again @ the end. No data meanwhile. On my last hikes however, no problem.

Apple Watch Ultra, watchOS 9

Posted on Feb 15, 2023 8:51 AM

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Question marked as Top-ranking reply

Posted on Feb 16, 2023 12:46 AM

As the watch works on slow exercise but not on rapid I suggest the Watch may need to have the strap tightened a notch.

1 reply

With mu AW Ultra, running with Exercise on, the Heart rate disappears after a hundred meters and shows again @ the end. No data meanwhile. On my last hiles however, no problem.

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