How to solve E1 error problem in Accu Chek Active Sugar testing machine part 2.

How to solve E1 error problem in Accu Chek Active Sugar testing machine part 2.

"E-7" in the display means an electronic error occurred or, in rare cases, a used test strip was removed and reinserted. Turn the meter off and on or take the battery out for 20 seconds and reinsert it. Perform a blood glucose or control test. If the problem persists, please contact Accu-Chek Customer Care.

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