Seagate NAS Pro 4-Bay Manual page 34

State
.The device is booting and will turn solid white; the device is shutting down
.The NAS is ready
.Hard drive activity
The device is off; fans are not spinning; the power supply has been cut and a UPS is
providing power; the power supply is not providing power and, if applicable, the UPS
.has run out of reserve power
State
RAID synchronization; NAS OS update in progress; volume check is
.pending or in progress
RAID is degraded. Data remains intact but the array is no longer
protected should another disk fail; preparing to synchronize the
.RAID
RAID is synchronizing with a replacement hard drive. The behavior
.will change to alternating red and white for all LEDs
.File system check failed; failed RAID and all data has been lost
State
Temperature is high. Check the environment temperature and the
.ventilation
Temperature is critical. The product will shut off due to the high
.temperature
34 4/28/15
General use
Hard
drive
LED
Blinking
white
Solid
white
Blinking
white
Off
RAID and NAS OS
Hard drive LED
Alternating red and white
Solid or blinking white
Alternating red and white
on a single hard drive
LED
Solid white
Temperature
Hard drive LED Status LED
Solid or blinking Blinking red and
white off
Solid or blinking Solid red
white
Seagate NAS Pro 2-Bay | 4-Bay | 6-Bay
Status
LED
Blinking
white
Solid
white
Solid
white
Off
Status LED
Alternating
red and
white
Blinking red
Blinking red
Solid red
UPS