Accu-Chek Instant S
Error codes E-13
(The error code and Err will alternate on the display.)
Test error. Fluid or foreign material may be present in the test strip slot. :Remove and reinsert the test strip or repeat the blood glucose or control test with a new test strip. If the error persists, contact Accu-Chek Customer care on toll free 080076243 (Mon to Fri - 09 am to 05pm)