Abbott FreeStyle Libre 2 User Manual page 171

Problem
You are not
receiving
alarms.
(cont.)
Customer Service: 1-855-632-8658 7 Days a Week from 8AM to 8PM Eastern Standard Time.
165
What It May Mean
The Sensor is not
communicating with
your device.
or
There may be a
problem with your
Sensor or device.
What To Do
The Sensor must be within range
(20 feet) of your device for you
to receive alarms. Make sure that
you are within this range. You
will see the
top of the Home screen (if using
the Reader) and the
at the top of the screen (if using
the App) when your Sensor has
not communicated with your
device in 5 minutes. If the Signal
Loss Alarm is on, you will be
notified if there has been no
communication for 20 minutes.
Try scanning your Sensor. If the
Signal Loss Alarm is on and shows
again after scanning your Sensor,
contact Customer Service.
symbol at the
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