Abbott FreeStyle Libre 2 - Blood Glucose or Ketone Error Messages

Problem What It May Mean What To Do
You are not
receiving
glucose
alarms.
(cont.)
You may have set an
alarm level that is
higher or lower than
you intended.
Confirm your alarm settings are
appropriate.
You have already
dismissed this type of
alarm.
You will receive another alarm
when a new low or high glucose
episode starts.
Your Sensor has
ended.
Replace your Sensor with a new
one.
Your Reader battery
is dead.
Charge your Reader with the
included USB cable.
Blood Glucose or Ketone Error Messages
Error
Message
What It May Mean What To Do
E-1
The temperature is
too hot or too cold
for the Reader to
work correctly.
1. Move the Reader and test
strips to a location where the
temperature is within the test
strip operating range. (See
test strip instructions for use
for the appropriate range.)
2. Wait for the Reader and test
strips to adjust to the new
temperature.
3. Repeat the test using a new
test strip.
4. If the error reappears, contact
Customer Service.
E-2
Reader error. 1. Turn o the Reader.
2. Repeat the test using a new
test strip.
3. If the error reappears, contact
Customer Service.
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