Blood Glucose or Ketone Error Messages
Error
Message
What it May Mean
What to Do
E-1
The temperature is
too hot or too cold
for the Reader to
work correctly .
1 . Move the Reader and test
strips to a location where the
temperature is within the test
strip operating range . (See
test strip instructions for use
for the appropriate range) .
2 . Wait for the Reader and test
strips to adjust to the new
temperature .
3 . Repeat the test using a new
test strip .
4 . If the error reappears, contact
Customer Service .
E-2
Reader error .
1 . Turn off the Reader .
2 . Repeat the test using a new
test strip .
3 . If the error reappears, contact
Customer Service .
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