Accu-Chek Aviva Plus silver - Manual (Page 88)

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Not enough blood or control solution
was drawn into the test strip for
measurement or was applied after
the test had started. Discard the test
strip and repeat the test.
The code key is from an expired lot
of test strips. Make sure the code
key number matches the code
number on the test strip container.
Make sure the time and date in the
meter are correct.
Blood or control solution was applied
to the test strip before the flashing
blood drop symbol appeared on the
display. Discard the test strip and
repeat the test.
An electronic error occurred or, in
rare cases, a used test strip was
removed and reinserted. Turn the
meter off and on or take the battery
out for 20 seconds and reinsert it.
Perform a blood glucose or control
test. If the problem persists, contact
the ACCU‑CHEK Customer Care Service Center at
1‑800‑858‑8072.