Accu-Chek Aviva Error codes E-4 Not enough blood or control solution was drawn into the test strip for measurement or was applied after the test had started. Discard the test strip and repeat the blood glucose or control test. E-10 The time and date settings may be incorrect. E-9 The battery is almost out of power. E-8 The temperature is above or below the proper range for the… E-7 An electronic error occurred. E-6 Blood or control solution was applied to the test strip before… E-3 The user's blood glucose may be extremely high or a meter… E-1 The test strip may be damaged or not properly inserted. View all error messages Product Support Support videos Downloads & Guides FAQs