Withings ScanWatch 2 Product Manual page 18

Troubleshooting – Syncing with App
I'm having syncing issues with my watch.
Solutions:
- Make sure that your ScanWatch 2 appears in Devices in the Withings App, if not, you need to install it
- Select Device in the Withings app and make sure that your ScanWatch 2 is connected
- If necessary, try to turn on the Airplane mode on your mobile device and then turn it back off
- If necessary, reboot your ScanWatch 2. Press and hold the button of your watch for 20 seconds
- If necessary, reboot your mobile phone
Troubleshooting – ECG
If you experience difficulties in operating your Scan Monitor, refer to the troubleshooting guide below.
I cannot get the Scan Monitor to take an ECG reading.
Solutions:
- Make sure your wrist and your ScanWatch 2 are clean and dry. Water and sweat can cause a poor recording
- Ensure that your ScanWatch 2, arms, and hands remain still during recordings
- Ensure that you have completed all of the setup steps in the Withings app on your smartphone