Accu-Chek Guide
Error codes E-10
The time and date settings may be incorrect.
Make sure the time and date are correct and adjust if necessary.
Accu-Chek Guide
Error codes E-9
The batteries may be out of power.
Turn the meter back on. If you are in a cold environment, move to a location with a more moderate temperature and retest. If the message continues to appear after several attempts, replace the batteries.
If the message reappears after the batteries have been replaced, remove the batteries, press and hold either meter button for at least 2 seconds, then release the button and wait for at least 20 seconds before reinserting the batteries.
Accu-Chek Guide
Error codes E-8
The temperature is above or below the proper range for the system.
Refer to the test strip package insert for system operating conditions. Move to an area with the appropriate conditions and repeat the blood glucose or control test. Do not artificially heat or cool the meter.
Accu-Chek Guide
Error codes E-7
An electronic error occurred.
Remove the batteries, press and hold either meter button for at least 2 seconds, then release the button and wait for at least 20 seconds before reinserting the batteries.
Perform a blood glucose or control test.
Accu-Chek Guide
Error codes E-6
Blood or control solution was applied to the test strip before the flashing drop symbol appeared on the display.
Discard the test strip and repeat the blood glucose or control test.
Accu-Chek Guide
Error codes E-4
Not enough blood or control solution was drawn into the test strip for measurement or was applied after the test had started.
Discard the test strip and repeat the blood glucose or control test.
If the problem persists, please contact Accu-Chek customer care.
Accu-Chek Guide
Error codes E-3
A meter or a test strip error has occurred.
In rare cases, an E-3 message may indicate that your blood glucose is extremely high and above the system’s measuring range.
In addition, the message could appear if the cap on the test strip container was not closed tightly. The test strips may have been damaged due to improper storage or handling. The following instructions should help you understand what action to take:
- If your test result matches how you feel, contact your healthcare professional immediately.
- If your test result does not match how you feel, repeat the test.
- If the second test result does not match how you feel, perform a control test with the control solution and a new test strip.
- If the control result is within the acceptable range, review the proper testing procedure and repeat the blood glucose test with a new test strip.
Accu-Chek Guide
Error codes E-1
The test strip may be damaged, not properly inserted, or was previously used.
Remove and reinsert the test strip or replace it if damaged or previously used.
If the message reappears, please contact Accu-Chek Customer Care.
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