Green light, red light, the significance and implications of the LED signal are quite crucial and should not be overlooked. Understanding what these signals represent is essential for proper communication and functioning in various contexts.
| Device State | LED Behavior | Description |
| On | Solid green | Powered on and connected to Cloud Poster |
| Off | No LED | Powered off or in standby/ sleep mode |
| Syncing | Blinking green (2 Hz) | Attempting to sync with Cloud Poster |
| Sync failed | Blinking red (2 Hz) | Registered and Wi-Fi connected, but ePoster is unable to connect to Cloud Poster |
| Network issue | Blinking red (5 Hz) | Wi-Fi connection failed |
| Low Battery | Solid red, white screen | Entered protection mode due to low battery |
| Downloading | Blinking amber (2 Hz) | Downloading playlist content or firmware |
| Updating | Solid red | Firmware update in progress |
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