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Problem Possible cause Solution
Heart rate signal
is not showing.
Strap is not fastened tight
enough around your wrist.
Make sure the watch is worn
correctly (see 'Wearing the health
watch'). Indicate the side you are
wearing the watch on in the app.
In the app you can also select if
your wearing side is your dominant
hand.
Personal settings are
incorrect in the app.
Update and correct your personal
settings in the app.
Watch or skin is not clean. Clean the device and your skin
under the device.
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