| Problem | Symptom | Check |
Remedy |
| No power or Low Batteries | Display will not light up or  is shown |
Batteries are exhausted, batteries are inserted incorrectly, the ac adaptor is inserted incorrectly | replace with new batteries, insert the batteries correctly, insert the AC adaptor tightly. |
| E1 | E1 displays on the screen | The cuff is not secure or inflation is abnormal. | Re-fasten the cuff and then measure again. Ensure the correct port is being used. Check the cuff for tears. |
| E2 | E2 displays on the screen |
The monitor detects motion, talking or the pulse is not readable while measuring. | Movement can affect the measurement. Relax for a moment and then measure again. |
| E3 | E3 displays on the screen | Check that the clothing between the cuff and skin isn’t too thick, if so, please remove the next layer. Ensure the Artery Marker is lined center of the arm and the cuff is about one inch above the elbow crease. Cuff should be loose enough to fit two fingers, no tighter, no more loose. | |
| E4 |
E4 displays on the screen |
The treatment of the measurement failed |
Relax for a moment and then measure again. |
| E5 |
E5 displays on the screen |
Failed to communicate with the server |
Contact customer service. Reboot device by removing batteries, pressing Start/Stop twice and reinserting batteries and repowering. |
| E6 |
E6 shows on the screen |
Radio communication failure |
Contact customer service. Reboot device by removing batteries, pressing Start/Stop twice and reinserting batteries and repowering. |
| EExx | EExx shows on the display | A calibration error occurred. |
Retake the measurement. If the problem persists, contact our customer service department for further assistance. |
| Warning Message | ‘out’ shows | Out of measurement range |
Relax for a moment. Refasten the cuff and then measure again. |
802-LTE Error Code Guide
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