If you see the letter “E” followed by a number, or if your Meter beeps twice, an error has
occurred. The following chart gives you a list of a few possible errors and describes what they mean.
What You See What it Means What You Should Do
Low battery Replace the batteries as soon as possible. Bayer HealthCare offers free
replacement batteries for Ascensia customers. Call Customer Service at
1-800-348-8100 (24 hours a day).
E 1 Temperature out Test only when the meter temperature is between
of range 50°F and 104°F (10°C and 40°C).
E 2 Test Strip underfill Remove the Test Strip and repeat the test with a new Test Strip.
E 3 Used Test Strip Replace Test Strip with a new, unused Test Strip. Wait until you see the
flashing blood drop before you add blood sample.
E 4 Test Strip not Remove the Test Strip and insert it properly.
inserted correctly
E 5 and above All other errors When you see the letter E followed by a number that is not listed here,
remove Test Strip and retest with a new Test Strip. If you continue to
experience difficulty, call Customer Service for assistance.
LO Test result is below Repeat test. If LO appears again, contact your Physician or Healthcare
10 mg/dL (0.6 mmol/L) Professional immediately. CAUTION: Glucose levels below 50 mg/dL
(2.8 mmol/L) may indicate a potentially serious medical condition.
HI Test result is above Wash your hands and test site. Repeat the test. If the test result is still
600 mg/dL “HI,” contact your Physician or Healthcare Professional immediately.
(33.3 mmol/L) CAUTION: Glucose levels above 250 mg/dL (13.9 mmol/L) may
indicate a potentially serious medical condition.
Solving Problems
© 2003 Bayer HealthCare LLC
Made and Printed in U.S.A.
50184256 Rev. 9/03
Note: See “Solving Problems” section of your
Ascensia
®
CONTOUR™ User Guide for further
information and a complete list of errors.
For Use With
Ascensia
®
C
ONTOUR
™
Blood Glucose Meter
and Ascensia
®
M
ICROFILL
™
Test Strips
QUICK REFERENCE
GUIDE
Blood Glucose Monitoring System
Bayer HealthCare LLC
Mishawaka, IN 46544 USA
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