Accu-Chek Guide Me Error codes USB The meter is connected to a PC and a blood glucose or control test cannot be performed.EITHER remove the USB cable and perform a blood glucose or control test OR remove the test strip and start a data transfer. Memory Explore the "Memory" Guide Me meter error and what… LO Explore solutions for when your Guide Me meter displays a… HI Explore solutions for when your Guide Me meter displays a… Err Explore solutions for when your Guide Me meter displays an… E-9 Explore solutions for when your Guide Me meter displays an… E-8 Explore solutions for when your Guide Me meter displays an… E-7 Explore solutions for when your Guide Me meter displays an E-7… E-6 Explore solutions for when your Guide Me meter displays an E-6… E-4 Explore solutions for when your Guide Me meter displays an E-4… E-3 Explore solutions for when your Guide Me meter displays an E-3… E-14 Explore solutions for when your Guide Me meter displays an… E-13 Explore solutions for when your Guide Me meter displays an… E-12 Explore solutions for when your Guide Me meter displays an… E-11 Explore solutions for when your Guide Me meter displays an… E-10 Explore solutions for when your Guide Me meter displays an… E-1 Explore solutions for when your Guide Me meter displays an E-1… Blank Display Explore solutions for when your Guide Me meter will not turn… Battery icon Learn more about the Battery icon on your Guide Me meter and… View all error messages Support Categories FAQ Downloads & Guides