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error TD Gluco
Error Code E-2
The β-Ketone code strip has expired.
? What Causes This
Using a test strip that is past the expiry date.
✓ How to Fix It
Test with a new lot of test strips when they are within their expiry dates and store accordingly to maximize freshness.
Source: page 29 of the official manual
From the manual
This error code appears in:
TD Gluco TD 4279 Blood Sugar Control System