Display
What it May Mean
What to Do
Glucose
Reading
Unavailable
Your Sensor is too
hot or too cold .
Move to a location where the
temperature is appropriate and
scan again in a few minutes .
Sensor
Already
in Use
The Sensor was
started by another
device .
Your Reader can only be used
with a Sensor that it started .
Scan the Sensor again with the
device that started it . Or apply
and start a new Sensor .
Check
Sensor
The Sensor tip may
not be under your
skin .
Try to start your Sensor again .
If Reader displays ‘Check Sensor’
again, your Sensor was not
applied properly . Apply and
start a new Sensor .
Replace
Sensor
The System has
detected a problem
with your Sensor .
Apply and start a new Sensor .
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