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1. If the meter does not display a message after inserting a test strip:
POSSIBLE CAUSE
WHAT TO DO
Battery exhausted.
Recharge the battery.
Test strip inserted upside down or
incompletely.
Insert the test strip with contact bars
end first and facing up.
Defective meter or test strips.
Please contact customer service.
2. If the test does not start counting down after applying the sample:
POSSIBLE CAUSE
WHAT TO DO
Defective test strip.
Repeat the test with a new test strip.
Sample applied after automatic
switch-off (3 minutes after last user
action).
Repeat the test with a new test strip.
Apply sample only when the meter
displays “Take a blood sample.”
Defective meter.
Please contact customer service.
3. If the control solution testing result is out of range:
POSSIBLE CAUSE
WHAT TO DO
Error in performing the test.
Read instructions thoroughly and
repeat the test again.
Control solution vial was poorly
shaken.
Shake the control solution vigorously
and repeat the test again.
Expired or contaminated control
solution.
Check the expiry date of the control
solution.
Control solution that is too warm or
too cold.
Control solution, meter, and test
strips should be at room temperature
(20°C to 25°C / 68°F to 77°F)
before testing.
Defective test strip.
Repeat the test with a new test strip.
Meter malfunction.
Please contact customer service.
Troubleshooting
