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Search and find answers to frequently asked questions about FreeStyle Libre systems.

What should the user do if he/she receives a “signal loss” alarm?

If a user receives a signal loss alarm, make sure the FreeStyle Libre 2 Reader is within 6 meters (20 feet) of the FreeStyle Libre 2 Plus Sensor. Try scanning the Sensor to get a glucose reading. If the Signal Loss Alarm shows again after scanning your Sensor, contact Customer Service.
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