Appears when the batteries
are too low.
Replace the batteries
immediately.
Appears when the
wrong code strip is
inserted or other coding
errors.
Check if the code numbers on
the display and the strip vial/
foil packet are the same. If the
problem persists, please contact
the local customer service for
help.
Repeat the test with a new lot of
test strip.
Appears when a used test
strip is inserted.
Repeat with a new test strip.
Appears when ambient
temperature is above or
below system operation
range.
System operation range is
10°C to 40°C (50°F to 104°F).
Repeat the test after the meter
and test strip are in the above
temperature range.
Repeat the test with a new test
strip. If the meter still does not
work, please contact the local
customer service for assistance.
Appears when test strip is
removed while counting
down, or insufficient blood
volume.
Review the instructions and
repeat test with a new strip.
If the problem persists, please
contact the local customer
service for help.