Diabetes Care

Topic: Code messages and trouble shooting

Code messages and trouble shooting

Code messageProblemTrouble shooting
Er1The insert test strip has been used or damaged.Please use a new test strip.
Er2The meter has malfunctioned.Do a quality control test or reinstall the batteries to check if the meter works properly.
Er3The signal transmission is disrupted.Repeat the test using a new test strip.
Er4The blood sample volume is insufficient.Repeat the test using a new test strip.
Er5An issue calibrating the meter has occurred.

Please follow the steps below:

  1. Remove the test strip from the meter.
  2. Turn off the meter(press and hold the main button for 3 seconds.)
  3. Press the main button to turn ON the meter.
Blood glucose level < 10 mg/dL(0.6 mmol/L)Repeat testing, and ingest some carbohydrates to treat hypoglycemia.
Blood glucose level > 600 mg/dL(33.3 mmol/L)Repeat testing, contact your health provider.

If the meter still does not work, please contact Bionime Customer Service.