Beurer GL 40 (mmoL) User Manual
Page 33

Beurer GL40 mmol/L
33
Problem: Unit does not turn on.
Cause
Action
Flat batteries
Replace the batteries.
Incorrectly inserted or
missing battery.
Verify that the batteries are inserted correctly (see
"Inserting and replacing the batteries", page 16).
Test strip is inserted with the
wrong side or
not completely.
Insert the test strip, contacts first, into the slot on
the unit. Ensure that the front side of the test strip is
facing you (see "Test strips", page 14).
Unit is defective
Contact customer service.
Problem: After inserting the test strip into the unit and applying the blood, the test
does not start.
Cause
Action
Insufficient quantity of blood
Repeat the test using a new test strip and larger
blood drop.
Test strip is defective
Repeat the test using a new test strip.
Blood was applied when the unit
was switched off.
Repeat the test and apply the blood only when
and are flashing.
The unit's basic settings were
changed and the change was not
completed (see "Basic settings",
page 17).
Press the "On/Off" button until "OFF" is displayed.
Repeat test.
Unit is defective
Contact customer service.