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====== System LEDs ======

The LaCie 5big Thunderbolt 2 LEDs provide information on the system status. Review the illustrations below for the LED locations on the chassis.

===== Front =====

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  - Status

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===== Rear =====

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  - Hard drive status LEDs

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===== LED behavior =====

==== General LED behavior ====
The list of colors below will help you identify the general status of your LaCie 5big:

^ Color ^ State ^
| Solid blue | Ready |
| Slow blinking blue | Idle mode |
| Fast blinking blue | Startup and shutdown |
| Blinking red and blue | RAID synchronization |
| Blinking red | Warning |
| Solid red | Error |

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==== Status and disk LEDs ====
The status and disk LEDs work together to provide up-to-date details on your LaCie 5big’s health.

^ Status LED Behavior ^ Disk LEDs Behavior ^ State ^
| Fast blinking blue | Blinking blue | Startup and shutdown |
| Slow blinking blue | Off | Disks have spun down and the Thunderbolt 2 ports are in idle mode, allowing for daisy chain |
| Solid blue | Solid blue | The DAS is ready. |
| Solid blue | Blinking blue for working disks | The hard drives are being accessed (read/write). |
| Blinking blue/red | Blinking blue/red | RAID synchronizing |
| Blinking red | Solid red for non-functional disks | RAID is degraded. Data remains intact but the array is no longer protected should another disk fail. |
| Blinking red | Blinking red on a disk | Disk warning. A hard drive may be experiencing errors or, it is about to fail. |
| Solid red | Solid red for a non-functional or failed disk | One or more disks have failed and the RAID is broken. Data is lost. |
| Blinking red | Blue | Temperature alert; a power supply is failing |
| Solid red | Blue | Temperature is critical. |
| Solid red | Solid or blinking blue | The fan is not spinning. |