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How do I fix True Metrix Error Code E-3?

Published on April 10th, 2022

The true metrix error code e-3 occurs when the true metrix glucometer is unable to read a test strip. This can happen for a variety of reasons, including:

-The test strip is damaged or has expired

-The test strip is not inserted correctly into the glucometer

-There is not enough blood on the test strip

-The glucometer is not working properly

1. Check the power supply to the True Metrix and make sure it is properly plugged in and receiving power

  1. Verify that the True Metrix is plugged in and receiving power.
  2. If the True Metrix is not plugged in or not receiving power, check the power cord to make sure it is properly plugged in and not damaged.
  3. If the power cord is not the problem, then check to see if the power outlet is working properly.
  4. If the power outlet is working properly, then check to see if the True Metrix's power switch is turned on.
  5. If the power switch is not turned on, then turn it on by pressing the power switch on the True Metrix.
  6. If the power switch is turned on, then check to see if the True Metrix is receiving power from the power outlet.
  7. If the True Metrix is receiving power from the power outlet, then the power supply to the True Metrix may be the problem.

2. If the power supply is plugged in and receiving power, check the batteries

  1. Check the power cord to make sure it is plugged in securely and is receiving power.
  2. Check the battery to make sure it is properly installed and is receiving power.
  3. If the battery is not receiving power, check to see if the power cord is plugged in properly. If the power cord is not plugged in properly, then the power supply may be defective and should be replaced.

3. If the batteries are not low, try resetting the True Metrix by unplugging it from the power supply, removing the batteries, and then replugging it in and replacing the batteries

If the batteries are not low, try resetting the True Metrix by unplugging it from the power supply, removing the batteries, and then replugging it in and replacing the batteries in order to fix true metrix error code e-3.

If the answers above didn't work then you should also try:

  1. If the reset does not work, there may be an issue with the True Metrix itself and it may need to be replaced.