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17
www.BayerDiabetes.com
WHAT YOU SEE WHAT IT MEANS WHAT YOU SHOULD DO
Control test
result is out-of-
range (too high
or too low).
• Test strip or
control solution
is past the
expiration date
or is past the
discard date.
• Test strip is
deteriorated due
to heat or expo-
sure to moisture.
• Control solution
is not at room
temperature or
may not be
mixed well.
• Incorrect control
solution was used.
• Make sure you are using
Ascensia CONTOUR
Control Solution.
• Gently rock the control
bottle to ensure the control
solution is mixed well.
• Run another control test.
• If result is still
out-of-range, retest
with a new test strip
and control solution.
• If result is still out
of range, call Bayer
Customer Service.
• Check all expiration
dates and discard dates.
Do not use expired
testing materials.
Some display
segments do
not appear
when the
meter initially
turns on.
Possible meter
electronics failure.
Compare meter display with
the illustration on page 3.
If the display is not correct,
contact Bayer Customer
Service.
Results are not
displayed in
expected units
of measure
(mg/dL or
mmol/L).
This may affect
the way you see
your results.
Contact Bayer Customer
Service.
If you do not resolve the problem, contact Bayer Customer Service at 1-800-348-8100.
Error Codes and Symbols