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Freestyle Libre - Blood Glucose Error Messages

Freestyle Libre
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Blood Glucose 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.
Error
Message
What It May Mean What To Do
E-3
Blood drop is too
small.
or
Incorrect test
procedure.
or
There may be a
problem with the test
strip.
1. Review the testing
instructions.
2. Repeat the test using a new
test strip.
3. If the error reappears, contact
Customer Service.
E-4
The blood glucose
level may be too high
to be read by the
system.
or
There may be a
problem with the test
strip.
1. Repeat the test using a new
test strip.
2. If the error reappears, contact
your health care professional
immediately.
93 94
ART38553-101_rev-A_manual.indd 93-94 2/1/18 2:13 PM

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