Accu-Chek Guide Error codes E-12 Your blood sample may contain a high level of ascorbate.Contact your healthcare professional. Transfer not allowed Explore solutions for when your Guide meter displays a "… Transfer Failed Explore solutions for when your Guide meter displays a "… Test Not Allowed Explore solutions for when your Guide meter displays a "… Target % Explore the "Target %" Guide meter error and what it… Target % after meal 7 days Explore the "Target % after meal 7 days" Guide… Sync Time Explore the "Sync Time" Guide meter error and what… Results Excluded - Target % Learn more about the "Results Excluded" Guide meter… Results Excluded - Low/high data Learn more about the "Results Excluded" Guide meter… Results Excluded - Averages Learn more about the "Results Excluded" Guide meter… Patterns - No data available Explore the "Patterns - No data available" Guide… Patterns - No active patterns available Explore the "Patterns - No active patterns available… Pairing Failed Explore solutions for when your Guide meter displays a "… Low/High Data Explore the "Low/High Data" Guide meter error and… Low BG Data Explore the "Low BG Data" Guide meter error and… Logbook - Invalid result Explore the "Logbook - Invalid result" Guide meter… Logbook - No stored results Explore the "Logbook - No data available" Guide… LO Explore solutions for when your Guide meter displays a "… High BG Data Explore the "High BG Data" Guide meter error and… HI Explore solutions for when your Guide meter displays a "… Flight Mode Active - Pairing not allowed Learn more about the "Flight Mode Active" Guide… Flight Mode Active - Setting saved Learn more about the "Flight Mode Active" Guide… Invalid Date Explore solutions for when your Guide meter displays an "… No Connection Explore solutions for when your Guide meter displays a "… E-9 Explore solutions for when your Guide meter displays an "… E-8 Explore solutions for when your Guide meter displays an "… E-7 Explore solutions for when your Guide meter displays an "… E-6 Explore solutions for when your Guide meter displays an E-6… E-4 Explore solutions for when your Guide meter displays an E-4… E-3 Explore solutions for when your Guide meter displays an E-3… E-1 Explore solutions for when your Guide meter displays an E-1… E-10 Explore solutions for when your Guide meter displays an "… E-11 Explore solutions for when your Guide meter displays an "… E-13 Explore solutions for when your Guide meter displays an "… E-14 Explore solutions for when your Guide meter displays an "… Auto-Send Not Complete Explore solutions for when your Guide meter displays an "… Average after meal 7 days Explore the "Average after meal 7 days" Guide meter… Battery icon Explore solutions for when your Guide meter displays the… Blank Display Explore solutions for when your Guide meter will not turn on… Connection Lost Explore solutions for when your Guide meter displays a "… Connection Failed Explore solutions for when your Guide meter displays a "… View all error messages Support Categories Downloads & Guides FAQ