Accu-Chek® Guide Error codes No Connection There is no connection between the meter and PC.Connect the USB cable and retry the connection. Black screen Explore solutions The batteries are almost out of power. Explore solutions LO Explore solutions HI Explore solutions Patterns Explore solutions Patterns Explore solutions Low BG Data Explore solutions High BG Data Explore solutions Low/High Data Explore solutions Target % Explore solutions Target % after meal 7 days Explore solutions Average after meal 7 days Explore solutions Logbook invalid result Explore solutions Logbook - No stored results Explore solutions Sync Time Explore solutions Electronic Error (E-14) Explore solutions Strip Error (E-13) Explore solutions High Ascorbate (E-12) Explore solutions Test Error (E-11) Explore solutions Time/Date Error (E-10) Explore solutions Replace Batteries (E-9) Explore solutions Temperature Error (E-8) Explore solutions Electronic Error (E-7) Explore solutions Drop Applied Early (E-6) Explore solutions Drop Too Small (E-4) Explore solutions Test Error (E-3) Explore solutions Strip Error (E-1) Explore solutions Pairing Failed Explore solutions Auto-Send Not Complete Explore solutions Invalid Date Explore solutions Results Excluded Explore solutions Transfert Not Allowed Explore solutions Connection Failed Explore solutions Transfert failed Explore solutions Connection Lost Explore solutions Test not allowed Explore solutions View all error messages Product Support Get the most out of your Accu-Chek products with support and troubleshooting tips. Videos Downloads & Guides FAQ