Beurer GL 50 evo (mgdl) - Manual (Page 28)

28 Beurer GL50 evo mg/dL
If measured values are outside the specified range, check the following possible causes:
Cause Action
• The first drop of control solution was not dis-
posed of.
• The tip of the bottle was not cleaned correct-
ly.
• The bottle was not shaken well enough.
Rectify the cause and repeat the test.
Control solution or test strip is contaminated. Repeat the test using a new bottle of control
solution and/or new test strip.
The control solution, test strip or blood glucose
monitor is too warm or too cold.
Bring the control solution, test strips and blood
glucose monitor to room temperature (+20°C to
+26°C) and repeat the test.
The test strips and control solution were kept at
a temperature and humidity outside the speci-
fied range.
Repeat the test using new, correctly stored ac-
cessories (test strips and control solution).
Damaged test strips. Possible causes include
• Test strips were exposed to fresh air for too
long.
• Test strip box was not closed completely.
Repeat the test using a new test strip and/or a
new box of correctly stored test strips.
Test strip or control solution has expired. Repeat the test using a new bottle of control so-
lution and/or new test strip from a new box.
Functional test using control solution was per-
formed incorrectly.
Repeat the test and follow the instructions.
Problem with the blood glucose monitor Contact Customer Services.
Warning
If you repeatedly obtain measured values outside the specified range when using control solution, dis-
continue using the system to measure your blood glucose level. Contact Customer Services.