Messages and
Troubleshooting
This system displays messages when there are
problems with the test strip, with the meter, or when
your blood glucose levels are lower than 20 mg/dL or
higher than 600 mg/dL. These messages help to identify
certain problems but do not appear in all cases when a problem
has occured. Improper use may cause an inaccurate result without
producing an error message. In the event of a problem, refer to the
information under “What to do”.
Message What it means What to do
Your blood glucose result is
lower than 20 mg/dL (below
measurement limit).
You should seek immediate
medical assistance.
Your blood glucose result is
higher than 600 mg/dL (above
measurement limit).
You should seek immediate
medical assistance.
Your blood glucose result is
equal to or higher than 240 mg/
dL, KEYTONE? appars with
your result.
Please seek immediate medical
assistance.
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