Hair dryer will help to peel it off clean but if your beyond that already peel as much away as you can and clean the remaining residue with alcohol or mineral spirits being very careful not to over do it you dont want any liquid to run between the screen and the frame. apply directly to the cloth not the screen and not alot of pressure if this is a LCD you could crack the screen then your f#$%ed
An E3 Error Code means the meter is sensing that blood has already been applied to
the test strip (or the strip has already been used).
What to do: Please make sure you see the flashing blood drop on the display before
adding the blood sample. Ensure that you are using a clean, new strip each time you
perform a test.
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