User's Manual
Display Messages and Troubleshooting
33
Display messages
What it means
Troubleshooting
"Er 1” appears when
the strip is wet.
Perform the test in a room
around 10 °C ~ 40 °C, and
R.H. ≤ 80 %.
Repeat the test with a new
Test Strip.
See "Perform the Glucose
Blood Test” section.
"Er 2" appears when the
meter fails to access
memory.
If "Er 2" appears constantly,
please call Ace Medical
Technology Co.,
Ltd. or authorized distributor
in business hours.
"Er 3" appears when
your Test Strip does not
have enough blood
sample on it.
Repeat the test with a new
Test Strip.
See "Perform the Glucose
Blood Test” section.
"HI" and "LO" appear
when your results fall
out of measuring range.
The result will be stored
in the memory but does
not count in the average
of last 7/14/30/60 days.
Repeat the test with a new
Test Strip.
See "Perform the Glucose
Blood Test” section.