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System LEDs
The 8-bay Rackmount NAS features three sets of LEDs that provide information on the system's status. Review the illustrations below for the LED locations on the chassis.
Front
- Status LED
- Ethernet LEDs
- Disk LEDs
- Identification LED
- Mute LED
Rear
1. Identification LED and LED button
Interior chassis
1. Disk LEDs
LED behavior
General LED behavior
The list of colors below will help you identify the general status of your NAS:
| Color | State |
|---|---|
| Solid blue | Ready |
| Blinking blue | Startup; shutdown; activity |
| Blinking red and blue | RAID synchronization; software update |
| Blinking red | Warning |
| Solid red | Error |
| Solid purple | Updating hardware |
| Blinking purple | Communication has been lost |
Status and disk LEDs
The status and disk LEDs work together to provide up-to-date details on your NAS's health.
| Status LED Behavior | Disk LEDs Behavior | State |
|---|---|---|
| Blinking blue |
Blinking blue for working disks
(until they are fully initialized)
|
Occurs as the device is booting and will cease once the
drives are fully initialized.
|
| Solid blue |
Blinking blue for working disks | Drives working (read/write) |
| Blinking
blue/red
|
Blinking blue/red | RAID synchronizing and will cease once the operation is
finished.
|
| Blinking blue for working disks | NAS OS update in progress. | |
| Blinking red | Solid red for non-functional
disk(s)
|
RAID is degraded. data remains intact but the array is no
longer protected should another disk fail.
|
| Blinking blue led for all disks | Temperature alert (first level warning) | |
| Fans are not spinning | ||
| A power supply has been cut but power is provided by the
second power supply and/or the ups.
|
||
| Solid red |
Blinking blue for working disks | Temperature alert (critical level). the product will shut off
due to the high temperature.
|
| The power supplies are not providing power and, if
applicable, the ups has run out of reserve power. the
product will shut off.
|
||
| Solid red for non-functional
disks
|
RAID has failed and all data has been lost. | |
| Off on disks
|
A disk has not been plugged into the slot's SATA
connection or it is not receiving power.
|
|
| Solid purple |
Solid blue | Updating hardware |
| Blinking purple | Solid blue | Communication has been lost. See Hardware Maintenance. |
Ethernet, identification, and mute LEDs
Ethernet LEDs
| Behavior | State |
|---|---|
| Solid blue | The Ethernet port is connected to the network. |
| Blinking blue | Activity on the Ethernet port. |
| Off | The Ethernet port is not connected to the network. |
Identification LED
| Behavior | State |
|---|---|
| Blinking amber |
An identification button has been pushed (front, rear, or NAS OS). A corresponding LED on the rear of the NAS will also blink amber to identify the unit in the rack.
|
| Off | The identification feature is off. |
Mute LED
| Behavior | State |
|---|---|
| Solid amber | The mute button has been pushed to turn off an audible alert or, to stop the unit from sounding an audible alert. |
| Off | The mute feature is off. |