Error Reading & Trouble Shooting

7 articles

Error codes and their meanings

Error codes and meanings with links to help articles

Updated 3 months ago by Dorian Greenow

What is the E-2 error and how do I fix it?

We have had a lot of E-2 errors and have been able to fix them 99% of the time with the following steps. E-2 errors are generally caused by the year not being correct on the meter and in such it th...

Updated 4 months ago by Dorian Greenow

Why does my reading keep showing "333"?

The 333 code means your meter has not yet been coded to your batch of ketone strips.. In every box of ketone strips there is a special code strip (See video below) The code strip helps calibrate t...

Updated 5 months ago by Chloe Kesler

What is the E-U error reading and how do I fix it?

An E-U error means that the meter "thinks" that the strip it is measuring has already been Used.  Typically this just means the strip has blood placed on it before it was placed in the meter and in...

Updated 5 months ago by Chloe Kesler

What is the E-F error and how do I fix it?

An E-F Error is a Fill error, in such the meter is not getting enough blood for a reading. We feel you here, E-F errors suck! Here are some good tips and tricks to make to get good blood flow for e...

Updated 5 months ago by Dorian Greenow

Why does my reading show 733, 737 or....?

If your reading is showing 733, 737 or... no need to worry, you are on the right track. This is the code that represents the enzymatic batch that the meter is calibrated to. It should match the cod...

Updated 5 months ago by Chloe Kesler

What is the E-C Error and how do I fix it?

It's OK your meter is probably just fine, these steps should fix that for you 1. Remove batteries and reinstall. (How to video) 2. Ensure that date time and year are set correctly (year is very imp...

Updated 5 months ago by Chloe Kesler