What Is "error 9" in an ACCU-CHEK Aviva Glucometer?

[peejhunt/Pixabay]

When "E-9" appears on the screen of an ACCU-CHEK Aviva glucometer, it's time to replace the machine's battery. The error code warns that the battery is almost out of power. If the code shows up even though there is a new battery in the device, the user might need to reset the meter.


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