씰 Are the test strips and/or control solution still within the stated
expiry date?
씰 Have you cleaned your Accu-Chek Active meter (especially
the test strip guide and measurement optics) as instructed in
Chapter 7.1?
씰 Have you used only test strips with a code number matching
that displayed by the meter?
If you have observed all these points and still are having problems,
please contact the Accu-Chek Customer Careline.
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