34 Beurer GL44 mg/dL
Problem: device does not switch on
Cause Solution
Batteries empty. Replace batteries.
Incorrectly inserted or missing batteries.
Check whether the batteries have been inserted
correctly (see “Inserting and replacing the bat-
teries” page 15).
Test strip inserted incorrectly or not completely.
Firmly insert the test strip into the slot on the
device with the contacts first. Make sure that
the front of the test strip is facing you (see “Test
strip” on page 14).
Device faulty. Contact customer service.
Problem: the test does not start after inserting the test strip into the device and applying blood
Cause Solution
Insucient amount of blood or test strip not
filled correctly.
Repeat test using a new test strip and a larger
drop of blood. Please note the correct filling of
the test strip (see page 21).
Faulty test strip. Repeat the test using a new test strip.
Blood was applied while the device was switched
o.
Repeat the test using a new test strip and only
apply blood after and flash.
The basic settings of the device were changed
and the changes were not completed (see “Mak-
ing and changing basic settings” on page 16).
Remove the test strip and press the “On/O”
button until “ ” is displayed.
Repeat test.
Device faulty. Contact customer service.
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