Power supply LEDs
Table 11 Power supply module status LED
Description
Display
Indicator
Normal operation
Green on
Status LED
Fault
Amber on
Predictive fault or non-optimal
performance
Amber flashing
Fan LEDs
Table 12 Fan module status LEDs
Description
Display
Indicator
Normal operation
Green on
Status LED
Fault
Amber on
Predictive fault or non-optimal
performance
Amber flashing
Normal operation
Off
Locate UID
Location requested. Safe to remove.
Blue on
Location requested. Do not remove.
Blue flashing
I/O module LEDs
The following LEDs and indicators are used to verify disk enclosure I/O module operation.
Table 13 I/O module status LEDs
Description
Display
Indicator
Indicates the enclosure number or an
error/warning code
On
7–segment display
Link at high speed with no activity
Green on, amber off
Data ports (DP-1, DP-2)
Link at high speed with activity
Green flashing, amber off
Link at low speed with no activity
Green on, amber on
Link at low speed with activity
Green flashing, amber on
No link or no cable connected
Green off, amber on
Location requested
Green flashing, amber flashing
Normal operation
Green on, amber off
I/O module status LED
Shutdown in progress, no fault
Green flashing, amber off
Fault
Green off, amber on
Shutdown in progress, fault
Green flashing, amber on
Predictive failure
Green on, amber flashing
Shutdown in progress, predictive
failure
Green flashing, amber flashing
Normal operation
Off
Locate UID
28
Identifying problems
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