Power supply LEDs
Table 11 Power supply module status LED
DescriptionDisplayIndicator
Normal operationGreen onStatus LED
FaultAmber on
Predictive fault or non-optimal
performance
Amber flashing
Fan LEDs
Table 12 Fan module status LEDs
DescriptionDisplayIndicator
Normal operationGreen onStatus LED
FaultAmber on
Predictive fault or non-optimal
performance
Amber flashing
Normal operationOffLocate 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
DescriptionDisplayIndicator
Indicates the enclosure number or an
error/warning code
On7–segment display
Link at high speed with no activityGreen on, amber offData ports (DP-1, DP-2)
Link at high speed with activityGreen flashing, amber off
Link at low speed with no activityGreen on, amber on
Link at low speed with activityGreen flashing, amber on
No link or no cable connectedGreen off, amber on
Location requestedGreen flashing, amber flashing
Normal operationGreen on, amber offI/O module status LED
Shutdown in progress, no faultGreen flashing, amber off
FaultGreen off, amber on
Shutdown in progress, faultGreen flashing, amber on
Predictive failureGreen on, amber flashing
Shutdown in progress, predictive
failure
Green flashing, amber flashing
Normal operationOffLocate UID
28 Identifying problems