234
Display Shows Possible Cause(s) Possible Solution(s)
E‑53 Bad Test
Error
j A meter or test strip error has
occurred.
j Discard the test strip and repeat the test.
j Your blood sugar may be
extremely high.
j If this conrms how you feel, contact your
healthcare professional immediately. If it does not
conrm how you feel, repeat the test and see
Chapter 2, “Testing Your Blood Sugar.” If this still
does not conrm the way you feel, run a control
test with your control solution and a new test strip.
If the control result is within the acceptable range,
review the proper testing procedure and repeat your
blood sugar test with a new test strip. If the E-53
error still appears for your blood sugar test, your
blood sugar result may be extremely high and
above the system’s reading range. Contact your
healthcare professional immediately. If the
control result is not within the acceptable range,
see Chapter 3, “Control Testing.”
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