Figure 51 2U12 And 2U24 Fault Leds On Carrier Bezel; Figure 52 Controller Module Fault Leds - Seagate Exos X 4006 Series Hardware Installation And Maintenance Manual

Color State
On*
Fast flash (1s on, 1s off)
Amber
Slow flash*(3s on, 1s off)
Off
Controller module fault LEDs
The controller module (CM) has several ports, some with independent status LEDs. The illustration below is of the SAS four-
port version of the CM. The amber LEDs listed below are the only ones that provide fault condition status. The asterisk (*)
indicates a fault condition.
LED Type
SAS expansion port Amber
Hardware fault
OK to remove
Status
The drive module has a hardware fault, so replace as soon as possible
The power control circuit has a hardware fault
Unit identification (UID) bit is set
Failed array
Drive is functioning normally
No AC power is present

Figure 51 2U12 and 2U24 fault LEDs on carrier bezel

= SAS 4-port
12Gb/s
Color State
On*
Fast flash* (1s on, 1s off)
Slow flash* (3s on, 1s off)
Off
On*
Amber Fast flash (1s on, 1s off)
Off
On
White
Off

Figure 52 Controller module fault LEDs

Status
Critical SAS cable fault
SAS unit identification (UID) active
Non-critical SAS cable fault
SAS expansion port functioning properly
CM hardware fault
Part of sequence as CM comes online
CM functioning properly
Ready for removal, the cache is clear
Do not remove the CM, cache still contains unwritten data
Chapter 9 Hardware installation and configuration issues
76