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error TD Gluco
Error Code E-U
A test strip that has previously been used is being inserted.
? What Causes This
An attempt to insert a test strip which had already been utilized previously in the meter.
✓ How to Fix It
Insert and use a new test strip. Each test strip can only be used once for accuracy and hygiene reasons.
Source: page 29 of the official manual
From the manual
This error code appears in:
TD Gluco TD 4279 Blood Sugar Control System