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Issue
A CALIBRATION ERROR
message appears.
Message: Wait at least one
hour before trying again.
A CALIBRATION ERROR
message appears.
Message: The calibration re-
ading is more than 5 minutes
old. Please try again.
Calibration reading not ac-
cepted after tapping SAVE.
54
Solution
You have entered a calibration reading
that the system cannot accept because
the difference between the blood glu-
cose meter reading and the CGM rea-
ding is too large.
Closely follow the instructions in the
app, which will direct you to perform
additional calibrations that will even-
tually be accepted by the system.
The calibration reading cannot be used
because the blood glucose meter rea-
ding is more than 5 minutes old. This
can happen if the app loses the con-
nection with the transmitter and can-
not immediately send the calibration
reading.
Retest.
In rare cases, your calibration reading
may not be accepted after you tap
SAVE.
There are several reasons you may not
be able to calibrate:
•
Your glucose is changing more than
0.11 mmol/L per minute. This corre-
sponds to a trend arrow that points up
or down on the HOME screen.
•
Your sensor current is changing more
than the acceptable amount.
If any of the above apply, the app will
display a CANNOT CALIBRATE messa-
ge explaining why it cannot save the
reading. You may need to wait for your
glucose to stabilise before you can ca-
librate.
15.4
Sensor issues
Issue
Gap between the sensor
insertion tool and sensor
assembly
Sensor adhesive patch will
not stick to skin
Broken sensor
The sensor is no longer fully
inserted.
Discomfort or irritation at
the insertion site or when
inserting the sensor
Sensor not working after
immersing in water
Solution
If there is a gap, the sensor insertion
tool is not correctly attached to the
sensor assembly and cannot be used
to insert the sensor.
See SECTION 15.7 to fix the gap and
reattach the sensor assembly to the
sensor insertion tool.
•
Prior to insertion, make sure the site
is properly cleaned and dried. See
SECTION 4.3 for cleaning instructions.
•
If you notice the edges of the adhe-
sive patch are becoming frayed or not
sticking to your skin, apply the overpa-
tch (SECTION 15.7) or medical tape to
the edges to help secure the patch.
If the sensor filament appears to be
broken, contact Customer Service to
determine the proper course of action.
Solution: Stop the session and remove
the sensor. Insert a new sensor to start
a new session.
You should only insert the sensor
on your abdomen or lower side. See
SECTION 4.2 for details about choo-
sing an insertion site.
Ask your healthcare professional about
the best sensor insertion site and rota-
tion pattern for you. Although unlikely,
you may experience bleeding, swelling,
bruising, or infection at the sensor in-
sertion site are possible.
If any of these conditions occur, get
treatment advice from your healthcare
professional.
If the issue is not resolved after 1 hour,
stop the session, remove the sensor and
insert a new sensor to start a new session.
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