System Troubleshooting
Error Messages
Error 1
Possible Causes
Sample is too small.•
Problem with the FreeStyle Lite test strip.•
Problem with the meter.•
Very low blood glucose (less than 1.1 mmol/L •
[20 mg/dL]).
What You Should Do
If you have symptoms such as weakness, sweating, nervousness, 1.
headache or confusion, follow your doctor’s recommendation for
treating hypoglycaemia.
Conduct a control solution test using a new FreeStyle Lite test strip. 2.
If the results of the control solution test are within the appropriate
range printed on the side of your test strip vial, retest using blood
and a new FreeStyle Lite test strip.
If the retest using control solution does not work or the error 3.
persists, call Customer Care.
Error 2
Possible Causes
Problem with the FreeStyle Lite test strip.•
Problem with the meter.•
Very high glucose (above 27.8 mmol/L •
[500 mg/dL]).
HIGH control solution applied when temperature •
is too cold. (This applies only to control solution
that is labelled as HIGH.)
What You Should Do
If you have symptoms such as thirst, fatigue, excess urination or 1.
blurry vision, follow your doctor’s recommendation for treating
hyperglycaemia.
Conduct a control solution test using a new FreeStyle Lite test strip. 2.
If the results of the control solution test are within the appropriate
range printed on the side of your test strip vial, retest using blood
and a new FreeStyle Lite test strip.
If the retest using control solution does not work or the error 3.
persists, call Customer Care.
Error 3
Possible Causes
Incorrect test procedure. For example, putting •
blood on the test strip before inserting the test
strip into the meter or applying blood before the
Blood Drop and Test Strip symbols display.
Problem with the FreeStyle Lite test strip.•
Problem with the meter.•
What You Should Do
Be sure you see the Blood Drop and Test Strip symbols on the 1.
display screen before you apply blood or control solution.
Conduct a control solution test using a new FreeStyle Lite test strip. 2.
If the results of the control solution test are within the appropriate
range printed on the side of your test strip vial, retest using blood
and a new FreeStyle Lite test strip.
If the retest using control solution does not work or the error 3.
persists, call Customer Care.
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