Accu-Chek Active test strips Error codes End The meter has been disconnected from the computer (PC). This is displayed for approximately 3 seconds. The meter turns itself off. Battery symbol Battery symbol The battery is almost empty Blank screen Blank screen The battery is empty or you have inserted the… Lo Lo The test result is lower than 0.6 mmol/L (10 mg/dL). Hi Hi The test result is higher than 33.3 mmol/L (600 mg/dL). --- --- Averages cannot be calculated. PC PC The meter is connected to a computer (PC). ttt ttt The ambient temperature or the meter temperature is too… EEE EEE A meter error has occurred. E-5 E-5 The meter is exposed to too much light. E-5 E-5 The meter was exposed to a strong electromagnetic field. E-4 E-4 While the test was in progress, you connected the meter to… E-2 E-2 Your blood glucose value may be very low. E-1 E-1 You did not insert the test strip into the meter correctly… View all error messages