Control Solution Trouble Shooting
If your control solution testing is out of range (too high or too low), it may be caused by the
following:
Possible Causes
What you can do …
Blo
od
G
luc
os
e
M
on
ito
rin
g
Sy
ste
m
27
• Wrong brand of Control
Solution being used
• Expired or contaminated
control solution or dam-
aged test strips
• Meter malfunction
• Control solution not at
room temperature
• Make sure you are using Contrex™ Plus III Glucose
Control Solution (L1and L2).
• Make sure the testing environment is between
10˚C~40˚C
(50˚F~104˚F).
• Check the expiration and open bottle date on both
Control Solution and test strips. 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 call your authorized dealer in your country with
questions and concerns.
GS Autocode-1A manual CE -711 BK:white 2011/10/12 1:46 PM Page 27