Understanding Out-Of-Range Control Results - Accu-Chek Performa Nano Instrucciones De Uso

Understanding Out‑of‑Range Control Results
If the control result is out of range, check this list to help solve the problem.
Troubleshooting Checks
1. Check if the test strips or control solutions
were expired.
2. Check if you wiped the tip of the control
solution bottle before use.
3. Check if the caps on the test strip container
and the control solution bottle were always
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closed tightly.
4. Check if the test strip was used immediately
after removing it from the test strip container.
5. Check if the test strips and control solutions
were stored in a cool, dry place.
Action
Discard the test strips or control solutions if either is
past the use by date. If the control solution was
opened more than 3 months ago, discard it. Repeat
the control test with an unexpired test strip and an
unexpired control solution.
Wipe the tip of the bottle with a tissue. Repeat the
control test with a new test strip and a fresh drop of
control solution.
Replace the test strips or control solutions if you think
either was uncapped for some time and repeat the
control test.
Repeat the control test with a new test strip and a
fresh drop of control solution.
Repeat the control test with a properly stored test
strip and control solution.