Synology DiskStation User's Guide
Based on DSM 3.1
231 Appendix B: LED Indication Tables
5-Bay Models
DS1511+
LED Indication Color Status Description
STATUS
Green
Static Volume Normal
Off HDD Hibernation
Orange
Static
Available volume space < 1GB
Available volume space < 1 %
Blinking
Volume degraded or crashed
No volume
LAN 1 & LAN 2
Green
Static Gigabit link
Blinking Network is active
Off Network is down
Orange
Static 10/100MB link
Blinking Network is active
Off Network is down
Hard drive Status
Indicator
(on tray)
Green
Static Disk ready and idle
Blinking Disk is being accessed
Off No internal disk
Orange Static Cannot Read/ Write
ALERT Orange
Blinking FAN fail or over temperature
Off System normal
Power Blue
Static Power ready
Blinking
Booting up
Shutting down
Off Power off
10-Bay Models
LED Indication Color Status Description
STATUS
Green
Static Volume Normal
Off HDD Hibernation
Orange
Static
Available volume space < 1GB
Available volume space < 1 %
Blinking
Volume degraded or crashed
No volume
LAN Green
Static Gigabit Link
Blinking Network is active
Off Network is down