
Accu-Chek Instant test strips
Error codes E-13
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 the Accu-Chek Customer Careline on 0800 701 000 (UK) or 1 800 709 600 (ROI).