User guide
Technical
Information
36
Need Help? Call toll free: 1-800-348-8100
Error Codes and Symbols
WHAT YOU SEE WHAT IT MEANS WHAT YOU SHOULD DO
Control test result
is out of range
(too high or too
low).
• Test strip or control
solution is past the
expiration date or
is past the discard
date.
• Test strip is
deteriorated due to
heat or exposure to
moisture.
• Control solution
is not at room
temperature or may
not be mixed well.
• Incorrect control
solution was used.
• Meter could be
damaged.
• Check all expiration dates and
discard dates. Do not use
expired testing materials.
• Run another control test with
a new test strip and control
solution.
• Gently rock the control bottle
to ensure the control solution is
mixed well.
• Make sure you are using Bayer’s
C
ONTOUR control solution.
• If result is still out of range,
contact Bayer Diabetes Care
Customer Service.
Some display
segments do not
appear when the
meter initially
turns on.
Possible meter
electronics failure.
Compare meter display with the
illustration on page 3.
If the display is not correct,
contact Bayer Diabetes Care
Customer Service.
Results are not
displayed in
expected units of
measure (mg/dL
or mmol/L).
This may affect
the way you see your
results.
Contact Bayer Diabetes
Care Customer Service,
1-800-348-8100.
If you do not resolve the problem, contact Bayer
Diabetes Care Customer Service at 1-800-348-8100.