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The LEDs help you identify the status of 2big RAID’s system and drives.

| LED | State |
|---|---|
| Off | Device powered off |
| Solid blue | Ready |
| Blinking blue | Accessing hard drive (normal operation) |
| Slow blinking blue, 10 second interval | Power-saving mode |
| Fast blinking blue | Device starting up or shutting down |
| Blinking red and blue | RAID initialization or synchronization |
| Blinking red, 1 second interval | Temperature warning |
| Solid red | Temperature critical |