Accu-Chek Compact Plus User Manual page 19

The test strips in this drum cannot be used. You must not use
these test strips as they may produce incorrect results. Incorrect
results can cause the wrong therapeutic decision to be taken and
produce adverse health effects.
Insert a new test strip drum.
The meter is unable to calculate the 90-day use-by period if you
remove a partly used drum from the meter and then insert it again,
take longer than two minutes to replace the batteries (in which case
the year, date and time settings are lost) and a partly used drum
remains in the meter.
The meter has no way of telling when the drum was first inserted or
how long the partly used drum has already been in the meter.
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Initial steps before testing
If the meter cannot calculate the use-by period and you turn the meter
on to perform a blood glucose test, the following symbols appear flash-
ing in the display:
test strip and blood drop, indicating that you may now apply blood,
drum and bottle, indicating that the use-by period cannot be calcu-
lated.
You are requested to perform a quality control test in order to check the
test strips. Perform a quality control check (see Chapter 6 "Checking the
Accu-Chek Compact Plus meter"). If the test produces a correct result,
you may continue to use the test strips. If the result is incorrect, you
need to insert a new drum.
Initial steps before testing
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