Complete lists of error codes for Accu-Chek blood glucose meters and the reasons for each code are in the product owner's booklets and online at Accu-Chek.com, according to Accu-Chek. Error code lists for the Nano SmartView, Aviva and Compact Plus meters are available on the website as of September 2015.
Accu-Chek meter error codes typically include the letter "E" and a number or graphic, according to Accu-Chek. Some meters may display "ERR." Reasons for error codes include an insufficient amount of blood on the test strip, an unacceptable operating temperature and damaged test strips. Errors also occur if the user does not perform the steps of the testing process in the correct order.