"E-2" in the display means the code key is incorrect. Turn the meter off and make sure the code key is properly inserted. If this does not fix the problem, please contact Accu-Chek Customer Care.
What does e1 mean on a blood sugar meter?
“E-1” in the display means the test strip may be damaged or the code key is incorrect. Remove and reinsert the test strip. If the message reappears, turn off the meter and make sure the code key is properly inserted. If the message reappears, please contact Accu-Chek Customer Care.
What does e5 mean in blood sugar?
E-5 message "E-5" in the display means the code key is incorrect or your test strips have expired. Make sure the time and date in the meter are correct. If the problem persists, please contact Accu-Chek Customer Care.