Owners Manual

Table 27. Event descriptions and recommended actions (continued)
Number Severity Description/Recommended actions
● If the EMP is unable to communicate with the indicated PSU:
○ Wait for at least 10 minutes and check if the error resolves.
○ If the error persists, check that all modules in the enclosure are fully seated in their slots
and that their latches, if any, are locked.
○ If this does not resolve the issue, note down the PSU. Ensure the partner PSU is not
degraded. If the partner PSU is degraded, contact technical support.
○ If the partner PSU is not degraded, remove and reinsert the indicated PSU..
○ If this does not resolve the issue, the indicated FRU has probably failed and should be
replaced.
● If one of the PSUs in an enclosure does not have power supplied to it or has a hardware
failure:
○ Check that the indicated PSU is fully seated in its slot and that the PSU's latches, if any,
are locked.
○ Check that each PSU has its switch turned on (if equipped with a switch).
○ Check that each power cable is firmly plugged into both the PSU and a functional
electrical outlet.
○ If none of these recommended actions resolve the issue, the indicated PSU has probably
failed and should be replaced.
● If a PSU is running with corrupted firmware:
○ The indicated PSU has failed and should be replaced.
When the problem is resolved, an event with the same code will be logged with Resolved
severity.
Warning
An EMP reported that a power supply unit (PSU) has been uninstalled.
Recommended actions:
● Check that the indicated PSU is in the indicated enclosure.
● If the PSU is not in the enclosure, install a PSU immediately.
● If the PSU is in the enclosure, ensure that the power supply is fully seated in its slot and that
its latch is locked.
● If none of these recommended actions resolves the issue, the indicated FRU has failed and
should be replaced.
When the problem is resolved, an event with the same code will be logged with Resolved
severity.
Resolved A SES alert for a power supply in the indicated enclosure has been resolved.
Recommended actions:
● No action is required.
552 Error An EMP reported an alert condition.
● A hardware failure has been detected and all fans in the indicated FRU have failed.
● The fan is unable to communicate with the EMP.
Recommended actions:
● If a hardware failure has been detected and all fans in the indicated FRU have failed.
○ Inspect the system health information to determine which FRU contains the affected
fans. Event 551 or 558 should give further information on the containing FRUs.
○ Replace the containing FRUs.
● If the fan is unable to communicate with the EMP.
○ Wait for at least 10 minutes and check if the error resolves.
○ If the error persists, check that all modules in the enclosure are fully seated in their slots
and that their latches, if any, are locked.
132 Events and event messages