User's Manual
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13. Screen Messages and Troubleshooting
█ Screen Messages
This section explains the display screen messages and error messages you may encounter when using your
Medisign MediKeto Plus 82 BT blood glucose and β-ketone meter and test strips. If your meter is still NOT
working after you have followed the troubleshooting instructions, contact Customer Service.
What you see
What it means
What you should do
The meter has detected a problem with the
test strip. The test strip is either used or
damaged.
Repeat the test with a new test strip.
The blood sample was applied to the test
strip before the blood symbol appeared on
the screen.
Remove and discard the test strip and insert
a new one. Apply blood to the test strip
after the blood symbol appear on the
screen.
The ambient temperature is too high or low
to test.
Put the meter and test strips in a location
within the operating temperature range (10
~ 40℃) for at least twenty (20) minutes and
repeat the test. Do NOT raise or lower the
meter temperature artificially.
Not enough blood sample was drawn into
the test strip.
Repeat the test with a new test strip. If error
persists, please contact Customer Service.
The wrong test strip has been inserted into
the meter.
Make sure you are using the Medisign
GH82 blood glucose test strip or the
Medisign MediKeto 82 blood β-ketone test
strip and repeat the test.
There is an internal error with the meter.
Please contact Customer Service.
Temperature is out of the operating range
during the test.
Repeat the test under the stable temperature
condition.
The test strip is flicked during the test.
Repeat test with a new test strip. Please do
NOT touch the test strip during the test. If
error persists, contact to Customer Service.
Blood glucose test result is higher than 600
mg/dL.
Repeat the test with a new test strip. If the
result is still “HI”, contact your physician
or healthcare professional.
Blood glucose test result is lower than 20
mg/dL.
Repeat the test with a new test strip. If the
result is still “Lo”, contact your physician
or healthcare professional.
Blood β-ketone test result is higher than 8.0
mmol/L.
Repeat the test with a new test strip. If the
result is still “HI”, contact your physician
or healthcare professional.