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Symbols, problems and error messages
The code chip cannot be read.
Remove the code chip and re-insert it into the meter. If the error message appears
again, you cannot use the code chip and test strips belonging to it.
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.
The measuring window is dirty.
Clean the measuring window (see Chapter 8).
The test strip is bent or is not positioned straight and flat in the test strip guide.
Repeat the test with a new test strip.
