This section contains storage enclosure FRUs that have LED indicators. Each listed
assembly is shown with a description of its LEDs. While LED indicators might indicate a failure,
they should not be used as a starting point for a repair.
Storage enclosure FRUs with LEDs
Table 1. Parts of the storage enclosure that contain LEDs
Part name
Refer to
Storage enclosure
Figure 1
Drive module
Figure 2
Enclosure services manager (ESM)
Figure 3
Storage enclosure power supply
Figure 4
Storage enclosure LEDs
Figure 1. Storage enclosure LEDs
Table 2. Storage enclosure LEDs
Index
LED name
LED color
Controlled by
LED state
Description
1
Power
Green
Hardware
On
Enclosure is powered on
Off
Enclosure is powered off
2
Not present
3
Group identify
Blue
Firmware
On
A FRU in this enclosure is being identified
Off
No FRU is being identified
4
Not present
5
Enclosure identify
Amber
Microcode
On
Not used
Off
Enclosure not identified for repair
Flash
Enclosure identified for repair
Drive module LEDs
Figure 2. Drive module LEDs
Table 3. Drive module LEDs
Index
LED name
LED color
Controlled by
LED state
Description
1
Power / Activity
Green
Drive
On
Drive ready, idle
Off
Drive not ready
Fast flash
Data transferring
Slow flash
Format or capacitors charging
2
Identify
Amber
Microcode
On
Not used
Off
Drive not identified for repair
Flash
Drive identified for repair
Enclosure services manager (ESM) LEDs
Figure 3. Enclosure services manager (ESM) LEDs
Table 4. Enclosure services manager (ESM) LEDs
Index
LED name
LED color
Controlled by
LED state
Description
1
SAS link status
Green
Hardware
On
SAS link is good
Off
SAS link is bad
2
SAS cable identify
Amber
Microcode
On
Not used
Off
SAS cable not identified for repair
Flash
SAS cable identified for repair
3
ESM power
Green
Hardware
On
Power is on
Off
Power is off
4
Group identify
Blue
Firmware
On
A FRU in this enclosure is being identified
Off
No FRU is being identified
5
ESM identify
Amber
Microcode
On
Not used
Off
ESM not identified for repair
Flash
ESM identified for repair
Storage enclosure power supply LEDs
Figure 4. Storage enclosure power supply
LEDs
Table 5. Storage enclosure power supply LEDs
Index
LED name
LED color
Controlled by
LED state
Description
1
Input Good
Green
Hardware
On
Input good
Off
Input not within limits
2
DC Output Good
Green
Hardware
On
DC output good
Off
DC output is off
3
Identify / Attention
Amber
Microcode
On
Fault
Off
This FRU is not identified for repair
Flashing
This FRU is identified for repair
4
Not used
