Accu-Chek GO, User Manual, Page: 19 / 63

When a control test isn’t within the acceptable range, there could be several reasons. Follow these steps to
find out why:
Troubleshooting Checks Action
1. Check the expiration dates of the test strips Replace control solution or test strips that have
and control solutions. expired or control solution you opened more than
three months ago.
2. Make sure the caps were tight on the test strip If either has been open for a while, replace the test
vial and control solution bottles. strips or control solution.
3. Check that the code number on the meter matches If not, recode the meter (see page 12).
the code on the test strip vial.
4. Make sure you followed all the test steps. Reread pages 14 - 15 and test again.
5. Make sure the temperature was between Repeat the test in the appropriate temperature range.
50-104ºF (10-40ºC) when you did the test.
6. If none of the above apply… Repeat the control test with a new test strip. If the
result still isn’t within the acceptable range, contact
the ACCU-CHEK Customer Care service center at
1-800-440-3638.
Chapter 2: Control Testing
17
ACCU-CHEK Customer Care Service Center 1-800-440-3638