When you first start a new sensor you will be able to check your glucose after 60 minutes1.
The sensor is working correctly if you can get a glucose reading after a 1-second scan. If you do not get a reading, please refer to your FreeStyle Libre 14 day User's Manual (English | Spanish) for further information about glucose error messages.
If you continue to you see any display messages that you are unable to resolve, please complete the online sensor support request form or contact our Customer Care Team at 855-632-8658.
1 FreeStyle Libre 14 day User's Manual