Accu-Chek ACTIVE Instructions For Use Manual - page 110
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Symbols, problems and error messages
You did not insert the test strip correctly or completely.
Hold the test strip so the arrows printed on it and the orange square face upwards.
Without bending it, gently push the test strip into the test strip guide in the direction of
the arrows until you feel it lock into place.
You removed the test strip from the meter in order to apply blood and did not re-insert
it within 20 seconds.
Dispose of the test strip, even if blood has not been applied yet. Start the blood
glucose test from the beginning with a new test strip.
A code chip from another blood glucose system has been inserted into the meter.
The code chip does not belong to the Accu-Chek Active test strips.
Remove the code chip and insert the code chip that belongs to the Accu-Chek Active
test strips you are currently using.