Your FreeStyle Libre 3 Plus sensor runs continuous quality checks, and the “Sensor error” message indicates that glucose readings have been paused. Once the sensor passes its quality checks, your sensor will resume providing readings.
Tap the “i” symbol for more information. Check your Libre app, or FreeStyle Libre 3 app, after the duration specified in the display message.
If you continue to see a “Sensor error” message after the time specified, please complete the quick and convenient online sensor support request form, or contact Customer Care Customer Care which is available at 1-855-632-8658 7 days a week from 8AM to 8PM Eastern Time; excluding holidays.