20
Control Tests
3
Troubleshooting Checks Action
Were the caps on the test strip
container and the control
solution bottle always closed
tightly?
Replace the test strips or control solution if you
think either was uncapped for some time.
Repeat the control test.
Was the test strip used
immediately after it was
removed from the test strip
container?
Repeat the control test with a new test strip and
a fresh drop of control solution.
Were the test strips and control
solutions stored in a cool, dry
place?
Repeat the control test with a properly stored
test strip or control solution.
Did you follow the directions? Read the chapter Control Tests and repeat the
control test.
Did you choose the correct
control solution level, either 1 or
2, when you performed the
control test?
If you chose the wrong control solution level,
you can still compare the control result to the
range printed on the test strip container.
Are you still unsure of the
problem?
Contact Roche.
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