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3.If the control solution test result is out of range.
POSSIBLE CAUSE
Error in performing the test.
Control solution vial shaken poorly.
Expired or contaminated control
solution.
Control solution that is too warm or
too cold.
Test strip deterioration.
Meter malfunction.
WHAT TO DO
Read instructions thoroughly
and repeat the test.
Shake the control solution vigor-
ously and repeat the test again.
Check the expiration and disposing
dates of the control solution.
Allow control solution, meter and
test strips to come to room
temperature (68
to 77°F/20 to 25°C)
before testing.
Repeat the test with a new test
strip.
Contact Customer Care Line at
1-888-307-8188, 1- 866-469-2632
for help.
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