Error codes and their meanings

Updated 5 months ago by Dorian Greenow

Error codes and meanings with links to help articles

CodeWhat it meansWhat to doLink to help
E-bYour batteries are too low.Change the batteries.
E-2Meter thinks it has an expired code chip.Check the year setting first.
Check with a new lot of test strips.
What is the E-2 error and how do I fix it?
E-UMeter thinks it has a used strip.Repeat test with a fresh unused strip, use the steps in the help article in the link to the right.What is the E-U error reading and how do I fix it?
E-tAppears when the ambient temperature is above or below system operation range.system operation range is 10*C to 40*C (50*F to 104*F). Repeat test when after the meter and the test strips are in the system operating range.
Potential problem with the meter.Repeat the test with a new test strip. If the meter still does not work contact customer service for assistance. These are super rare error readings. Don't worry all meters come with a lifetime guarantee, we will make sure you are taken care of.How do I contact Customer Support
E-FFill error appears when strip does not get enough blood volume, or test strip is removed when counting down or the HCT result is above 75%take a look at our help article linked to the right. Repeat with a new test strip. If the problem persists, contact customer service we will be happy to help you out.What is the E-F error and how do I fix it?

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