While wearing the FreeStyle Libre 3 Plus sensor I see a message that says “Sensor error” what do I do?
Tap the “i” symbol for more information. Check your Libre 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.