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Display Shows Possible Cause(s) Possible Solution(s)
E-57 Electronic
Error
j An electronic error has
occurred or, in rare cases, a
used test strip was removed
and reinserted.
j Turn off the meter and remove the batteries. Wait at
least 30 seconds prior to reinserting the batteries.
Turn on the meter and perform a blood sugar or
control test. If the problem persists, contact
ACCU-CHEK Customer Care Service Center at
1-800-688-4578.
E-58 Temp. Error j The temperature is above or
below the proper range for
the meter.
j Move the meter to an area within the proper
temperature range indicated for test strip use in the
test strip package insert. Wait ve minutes before
turning on the meter. Repeat the test. Do not
articially heat or cool the meter.
E‑59 Battery
Empty
j The batteries are extremely
low.
j Insert new batteries. See Chapter 7, “Care and
Maintenance.”
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