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What does it mean if I see “Scan Error” while using my FreeStyle Libre 3 Plus sensor?

The “Scan Error” display message might mean that your smartphone or reader was unable to scan your FreeStyle Libre 3 Plus sensor.

What you can do:
DeviceInstructions
iPhone

Tap the scan button and try scanning the sensor again. The NFC (Near Field Communication) antenna is on the top edge of the phone. Scan your sensor by touching the sensor with the TOP of your phone.

Move your phone around slowly if needed. Proximity, orientation, and other factors can affect NFC performance. For example, a bulky or metallic case can interfere with the NFC signal.

If the “Scan Error” display message persists after repeated attempts of scanning: Please complete the quick and convenient online sensor support request form, or contact Customer Care. Customer Care is available at 1-855-632-8658 7 Days a week from 8AM to 8PM Eastern Time; excluding holidays.

Android

Try scanning the sensor again. The NFC (Near Field Communication) antenna is located on the back side of most Android phones. Scan your sensor by touching the sensor with the BACK of your phone.

Move your phone around slowly if needed. Proximity, orientation, and other factors can affect NFC performance. For example, a bulky or metallic case can interfere with the NFC signal. Make sure you are not touching any buttons on the phone or the screen.

If the “Scan Error” display message persists after repeated attempts of scanning: Please complete the quick and convenient online sensor support request form, or contact Customer Care. Customer Care is available at 1-855-632-8658 7 Days a week from 8AM to 8PM Eastern Time; excluding holidays.

Reader

Try scanning again. You may need to move away from potential sources of electromagnetic interference.

If the “Scan Error” display message persists after repeated attempts of scanning: Please complete the quick and convenient online sensor support request form, or contact Customer Care. Customer Care is available at 1-855-632-8658 7 Days a week from 8AM to 8PM Eastern Time; excluding holidays.


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