Accu-Chek meter error codes
The error codes below are shown by the Accu-Chek Guide Me meter itself, not by Diablesse. Diablesse only imports valid readings; when the meter shows an error, no reading is generated to sync.
Importing Accu-Chek readings is available in Diablesse for Android. See How to connect the Accu-Chek Guide Me meter (Android).
The table below summarizes the main codes and what to do in each case.
| Code | What it means | What to do |
|---|---|---|
| E-1 | Test strip error — damaged, inserted incorrectly, or already used | Remove and reinsert the strip, or use a new one |
| E-3 | Meter or strip error. In rare cases, it may indicate glucose far above the measuring range | Repeat with a new strip. If you have symptoms of high glucose, seek medical guidance |
| E-4 | Not enough blood on the strip | Repeat the test with a new strip, applying enough blood |
| E-6 | Blood applied before the meter was ready (before the drop symbol flashed) | Repeat with a new strip and apply blood only when the drop flashes |
| E-7 | Electronic error | Turn the meter off and on. If it persists, contact Accu-Chek support |
| E-8 | Temperature outside the operating range | Move the meter and strips to a place with a suitable temperature, wait, and retry |
| E-9 | Battery almost out of power | Replace the meter's battery |
| E-14 | Electronic malfunction | Contact Accu-Chek support |
| Err | General error (including pairing/connection) | Turn the meter off and on and try again |
| LO | Glucose below the measuring range (very low) | Treat as advised by your doctor and, if needed, seek care immediately |
| HI | Glucose above the measuring range (very high) | Repeat the test; if confirmed, seek medical guidance |
⚠️ Important: This is a summarized reference. For detailed, up-to-date instructions, see your meter's manual and the official Accu-Chek error codes page. If you have questions about how the meter works, contact Accu-Chek support.
🩺 The LO and HI codes, or very high/low results, can indicate a risky situation. Always follow your doctor's guidance and, in emergencies, seek care.