Control Test Not Ok - Possible Sources Of Error - Accu-Chek Mobile User Manual

Checking the meter
Control test not OK – possible sources of error
176
If Control test not OK Repeat control test is displayed,
the result obtained is not within the concentration
range displayed. Check the points listed on the next
page. If your answer is different from the answer given,
make the respective corrections and repeat the test. If
you have taken all of these points into account and
Control test not OK is still displayed, please call the
Accu-Chek Customer Careline free on 0800 701000
(UK) or 1800 709600 (Ireland).
If Control test not OK Repeat control test is
displayed, it is no longer certain that the meter
and test cassette are functioning properly. Blood
glucose tests may then deliver incorrect results.
Incorrect results can cause the wrong thera-
peutic decision to be taken and so produce
serious adverse health effects.