2U enclosure LEDs 97
Actions:
• If the Ops panel Module Fault LED is on, check the module LEDs on the enclosure rear panel to narrow the
fault to a CRU, a connection, or both.
• Check the event log for specific information regarding the fault, and follow any Recommended Actions.
• If installing an IOM CRU:
Remove and reinstall the IOM per “Replacing an IOM” (page 127).
Check the event log for errors.
• If the CRU Fault LED is on, a fault condition is detected.
Restart this controller from the partner controller using the SMC or CLI.
If the restart does not resolve the fault, remove the IOM and reinsert it.
• If the above actions do not resolve the fault, contact Lenovo for assistance.
Disk drive carrier module LEDs
Disk drive status is monitored by a green LED and an amber LED mounted on the front of each drive carrier
module, as shown in Figure 75. The drive module LEDs are identified in the figure, and the LED behavior is
described in the table following the figure.
• In normal operation the green LED will be on, and will flicker as the drive operates.
• In normal operation the amber LED will be:
Off if there is no drive present.
Off as the drive operates.
On if there is a drive fault.
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