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Control Solution Trouble Shooting
If your control solution test is out of range (too high or too low), it may be caused by the
following:
Possible Causes:
What you can do …
• Wrong brand of
control solution being
used
• Expired or
contaminated control
solution or damaged
test strips
• Meter malfunction
• Control solution
not at right storage
temperature
• Make sure you are using Wellion LEONARDO Glucose
Control Solution (Level 0, Level 1 and Level 2) or Wellion
LEONARDO Cholesterol Control Solution (Level 1, Level 2).
• Make sure the testing environment is between 5°C-45°C
for glucose test, or between 18°C-38°C for cholesterol test.
• Check the expiration and opened date on bottles of both
control solution and test strip.
• Repeat the test using a new test strip. If the result is still out
of range, use a new bottle of control solution and retest.
• Please contact your local distributor if you require further
help.
Summary of Contents for LEONARDO GLU/CHOL plus
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