When you rely on a Contour Next meter for accurate glucose readings, an unexpected error can cause stress or delay your decision-making. Understanding what each error code means provides critical benefits.
Contour® Next Error Codes & Meanings
Based on official Ascensia Diabetes Care documentation and user manuals
| Error Code / Message | Meaning | Suggested Action |
|---|---|---|
| E1 | Too little blood applied | Repeat test with a new strip; ensure sufficient blood (≥ 0.6 µL) after flashing drop prompt. |
| E2 | Used/test strip inserted more than once | Insert a fresh, sealed Contour Next strip and retest. |
| E3 | Test strip inserted upside-down | Remove strip and insert correctly; retest. |
| E4 | Wrong strip type used (incompatible strip model) | Use only Contour Next test strips, insert again, and retest. |
| E6 | Moisture-damaged strip | Discard strip; retest with a new one stored properly. |
| E8 | Strip or test error not otherwise categorized | Retest with a new strip; contact Customer Service if persists. |
| E10/E20-E99 | Software or hardware/system error; invalid date/time error (in communication mode) | Power cycle the meter; reset time/date if needed; contact support if error remains. |
| Lo | Blood glucose below measurable range (< 20 mg/dL) | Treat immediately for hypoglycemia; wash hands and retest. Contact healthcare provider. |
| Hi | Blood glucose above measurable range (> 600 mg/dL) | Wash hands and retest; consult healthcare provider if result is confirmed. |
Troubleshooting checklist below:
-
Wash and dry hands thoroughly before testing.
-
Store strips in sealed vial, below 86 °F, away from moisture.
-
Ensure temperature is within operational range (~42 to 113 °F).
-
Run regular control solution tests after opening a new strip vial or encountering repeat errors.