235
8
Display Shows Possible Cause(s) Possible Solution(s)
E-54 Not Enough
Sample
j Not enough blood or control
solution was drawn into the
test strip for measurement or
was applied after the test has
started.
j Discard the test strip and repeat the test.
E-55 Code Key
Expired
j The code key is from an
expired lot of test strips.
j Ensure the code key number matches the code
number on the test strip container. Remove and
reinsert the code key and ensure the time and date
in the meter are correct. If this does not x the
problem, turn off the meter and remove the expired
code key. Discard the expired code key and its
accompanying test strips. Insert a new, valid code
key into the meter.
E-56 Sample
Applied Early
j Blood or control solution was
applied to the test strip before
the Apply Sample screen
appeared on the display.
j Discard the test strip and repeat the test with a new
test strip.
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