Apple Watch Heart Rate Monitor

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Level 1

13 points

Apple Watch Heart Rate Monitor

Hi. My Apple Watch stops recording my heart rate after a few minutes of running. As soon as I stop running, it picks it up again. Then I continue running and again the same thing. Sometimes it stops measuring for 4-5 mins and then starts monitoring again without me needing to stop running. My watch strap is always tight. I have a Series 4. I used my wife’s Series 3 on my right hand and my Series 4 on the left. The Series 3 measured consistently while the Series 4 stopped measuring a few times during my run. I turned off the high & low heart rate notifications thinking this could be the issue but I still get this problem.

Could it be a hardware issue?

Apple Watch Series 4, watchOS 5

Posted on Apr 1, 2019 11:17 AM

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Answer 1

RRC787 Author

Level 1

13 points

Apr 2, 2019 8:14 AM in response to RRC787

Have a look at this screenshot. Something is triggering the motion sensor to pause and resume intermittently. It could be a glitch in the Running Auto Pause function (which has always been turned off).

Software bug?!

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Answer 2

RRC787 Author

Level 1

13 points

Apr 3, 2019 11:17 PM in response to seanfromllanelli

This morning, I unpaired my watch, erased all settings and paired it again. I went for a run and the same thing happens again. It starts recording and then stops but this time it stops more than once for 4mins each. I don’t know what to try next.

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Answer 3

RRC787 Author

Level 1

13 points

Apr 1, 2019 1:17 PM in response to seanfromllanelli

My watch strap is tight. If it were loose, the readings would stop haphazardly during my run. You can see from the screenshot that this only happens at the beginning of my run. I updated both my phone and watch but it didn’t resolve the issue.

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Answer 4

Apr 2, 2019 5:16 AM in response to RRC787

Interesting. It clearly is working. But for some reason it didn’t pick up those 8 minutes. It could be a number of reasons but I would only able guess to why it didn’t record. The Watch could have moved off your wrist. But for some reason you seem to have two readings on each minutes, which would suggest you have two Watches on at the same time. Are both your Watch’s connected to the iPhone? Or share Apple ID?

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Answer 5

RRC787 Author

Level 1

13 points

Apr 2, 2019 7:45 AM in response to seanfromllanelli

I can confirm that the watch is at the same position on my wrist throughout the run. I am also only using 1 watch, and only 1 is linked to my Apple ID.

I do expect multiple readings per minute as this is for a workout.

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Answer 6

Apr 2, 2019 8:22 AM in response to RRC787

That would clear support the gaps you are seeing. I personally not seen on mine and have auto pause on. As for bug? Glitch maybe. I would suggest unpairing your Watch and repair it. And see how it goes from there.

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Answer 7

Apr 1, 2019 1:28 PM in response to RRC787

Yes I seem that. I would go to see in health app and heart rate data and see what actually time it records from

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Answer 8

RRC787 Author

Level 1

13 points

Apr 2, 2019 5:02 AM in response to seanfromllanelli

Ok, I checked that and here is the result. It can be seen that it stops monitoring for 8mins although it started recording from 17:27.

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Answer 9

Apr 1, 2019 12:44 PM in response to RRC787

Make sure you watch is fairly tight on your wrist. And that it does move as this will stop the readings. Also id you haven’t update both Watch’s to os 5.2 and your iPhone to 12.2

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Answer 10

Apr 3, 2019 11:31 PM in response to RRC787

Strange one. Tbh I am fresh out suggestions. I would call Apple support and see what they say. Come back when you get a answer

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Answer 11

RRC787 Author

Level 1

13 points

Apr 3, 2019 11:33 PM in response to seanfromllanelli

Not that easy here in South Africa. We only have an authorized Apple distributor but no Apple Support. Thanks for all you suggestions and trying to assist. I will post back when I get it solved.

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Answer 12

Apr 3, 2019 11:37 PM in response to RRC787

You can’t call them? Ok good Luck.

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Answer 13

julieda

Level 7

32,030 points

Apr 4, 2019 7:42 AM in response to RRC787

Try resetting your watch by pressing in the crown and side button until you see the Apple logo, then release both.

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Answer 14

RRC787 Author

Level 1

13 points

Apr 4, 2019 9:29 AM in response to julieda

Thanks, I did this earlier today and will test tomorrow when I go for a run.

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Answer 15

RRC787 Author

Level 1

13 points

Apr 5, 2019 11:05 AM in response to RRC787

Sigh! This time it’s worse, recorded nothing for almost 10mins..think I need to take it in for repair..tried everything I could to resolve it but nothing seems to work.

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Apple Watch Heart Rate Monitor

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