When you see an unfamiliar error message on your glucose meter, it can be stressful—especially if you rely on accurate readings to make immediate health decisions. Knowing what these codes mean provides several key benefits like Faster troubleshooting Accurate readings & safer Care, Avoiding any and all unnecessary panic, Extending your Meter life and even saving money!
Here are the complete error- code tables for the FreeStyle Lite, FreeStyle Precision Neo, and FreeStyle Freedom Lite glucose meters—including meanings and practical advice for user troubleshooting. Based on manufacturer manuals for credibility and structured for maximum SEO value.
FreeStyle Lite Meter Error Codes
| Error Code / Message | Meaning | Suggested Action |
|---|---|---|
| Error 1 | Sample too small, test strip fault, meter fault, or very low glucose (< 1.1 mmol/L / 20 mg/dL) | Treat low glucose if symptomatic, run control solution test, retest with fresh strip; contact Abbott if error persists. |
| Error 2 | Test strip/document or meter fault, or very high glucose (> 500 mg/dL / 27.8 mmol/L) | Check for high-glucose symptoms, run control solution test, retest, call support if issue continues. |
| Error 3 | Incorrect test procedure (blood applied too early), strip issue, or meter fault | Ensure blood applied only after symbols appear; control solution test; contact support if persistent. |
| Error 4 | Test strip or meter malfunction | Run control solution test using fresh strip; contact Abbott if the error continues. |
FreeStyle Precision Neo Meter Error Messages
| Error Code / Message | Meaning | Suggested Action |
|---|---|---|
| E‑1 | Temperature outside acceptable range | Move meter and strips to room temperature; retest with a new strip; contact support if error persists. |
| E‑2 (or E‑9) | General meter/system error | Turn off meter, insert new strip, retest; contact support if error continues. |
| E‑3 | Blood drop too small, wrong procedure, or strip issue | Follow proper procedure, wait for meter prompt, retest with fresh strip; contact support if still error. |
| E‑4 | Blood too high for meter or strip malfunction | Retest with fresh strip; repeat control solution check; consult provider if high result confirmed. |
| E‑5 (Optimum only) | Sample applied too early | Wait for flashing prompt before applying blood; retest; contact support if issue remains. |
FreeStyle Freedom Lite Meter Error Codes
| Error Code / Message | Meaning | Suggested Action |
|---|---|---|
| Er1 | Sample too small, test strip fault, meter fault, or very low glucose (< 1.1 mmol/L) | Treat low glucose if symptomatic; do control solution test; retest with fresh strip; call Customer Care if still error. |
| Er2 | Sample too large, test strip issue, meter malfunction, or very high glucose (> 27.8 mmol/L) | Treat high glucose appropriately; perform control solution check; retest; contact Abbott if persists. |
| Er3 | Blood applied too early (before full strip prompt), strip or meter error | Wait for moving lines or beep before applying blood; retest; call support if recurring. |
| Er4 | Test strip or meter problem | Perform control solution diagnosis; use fresh strip; contact Customer Care if still faulty |