Table 15. PSU LED states
CRU Fail
(Amber)
AC Missing
(Amber)
Power
(Green)
Status
On O O No AC power to either PSU
On On O PSU present, but not supplying power or PSU alert state. (usually due to critical
temperature)
O O On Mains AC present, switch on. This PSU is providing power.
O O Blinking AC power present, PSU in standby (other PSU is providing power).
Blinking Blinking O PSU rmware download in progress
O On O AC power missing, PSU in standby (other PSU is providing power).
On On On Firmware has lost communication with the PSU module.
On -- O PSU has failed. Follow the procedure in Replacing a PSU.
Fan cooling module LEDs
See Fan cooling module (FCM) for a visual description of the Fan Cooling Module (FCM) faceplate.
Table 16. FCM LED descriptions
LED Status/description
Module OK Constant green indicates that the FCM is working correctly. O indicates the fan module has failed. Follow the procedure
in Replacing a Fan Controller Module.
Fan Fault Amber indicates the fan module has failed. Follow the procedure in Replacing a Fan Controller Module.
Ops panel LEDs
The Ops panel displays the aggregated status of all the modules.
Table 17. Ops panel LED descriptions
LED Status/description
Unit ID
display
Usually shows the ID number for the enclosure, but can be used for other purposes, for example, blinking to locate
enclosure.
Power On/
Standby
Amber if the system is in standby. Green if the system has full power.
Module Fault Amber indicates a fault in a PSU, FCM, or IOM. Check the drawer LEDs for indication of a disk fault.
Logical
status
Amber indicates a fault from something other than rmware (usually a disk, an HBA, or an internal or external RAID
controller). Check the drawer LEDs for indication of a disk fault. See Drawer LEDs.
Drawer 0
Fault
Amber indicates a disk, cable, or sideplane fault in drawer 0. Open the drawer and check DDICs for faults.
Troubleshooting and problem solving 37
To Next Page
Loading...
