Withings BP 800 Manuel D'utilisation page 21

Troubleshooting
I get an error message when I try to measure my blood pressure
Check that the blood pressure monitor is correctly positioned and well tightened around
the arm. During measurement, stay still and avoid talking.
Note : People with heart disease (such as arrhythmia) can not get an accurate measurement.
Nothing happens when I plug my blood pressure monitor
Check and correct the cells polarities and make sure thay are not empty.
You need to unlock your iPhone to have the Withings application opening automatically.
Check that the Withings application is installed on your iOS device. If it is not, please go
to the App store and download it.
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