Freestyle FREEDOM Lite Owner's Booklet page 32

Error 4
What You Should Do
1. Conduct a control solution test using a new test strip. If the results
of the control solution test are within the range printed on the side
of your test strip vial, retest using blood and a new FreeStyle® Lite
test strip.
2. If the retest using control solution does not work or the error
persists, call Customer Care.
Possible Causes
• Problem with FreeStyle Lite test strip.
• Problem with the meter.
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