Message
What it means
Caused by colour
bar contamination
or foreign test strip.
The ambient
temperature is less
than 10 °C (50 °F)
The ambient
temperature is
over 40 °C (104 °F)
Test result is lower
than 1.1 mmol/L
(20 mg/dL)
Test result is higher
than 33.3 mmol/L
(600 mg/dL)
Action required
Please insert a new glucose test strip
and perform your test again. If "Sun"
is blinking, avoid direct sunlight and
re-test. Contact your local represen-
tative or the manufacturer, if the
problem persists.
Place the meter at a temperature
between 10-40 °C (50-104 °F) for
more than 30 minutes and test
again.
Place the meter at a temperature
between 10-40 °C (50-104 °F) for 30
minutes or longer, and then test
again.
Check the accuracy of your blood
glucose test strip by performing a
glucose control solution test. If the
control solution test result is in a normal
reading, re-test your blood sample two
or three times. If "Lo" persists, consult
your doctor immediately.
Check the accuracy of your blood
glucose test strip by performing a
glucose control solution test. If the
control test result is in range, re-test
your blood sample two or three times.
If "HI" persists, consult with your
doctor immediately.