13
Battery power is low
Please change all the
batteries
Meter was not finished
calibration
Please contact us
Use a used test strip
Please use a new strip
and re-test
Meter internal memory unit
error
Reinsert the CODE bottle,
please contact us if it
appear for three time.
Environment temperature
is lower than 10
℃
(50
℉
)
Please test at a higher
temperature environment