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Huawei Rack Server iBMC Alarm Handling 28

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.
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ALM-0x0801FFFF Power Supply Failure (PSN Status)

ALM-0x0801FFFF Power Supply Failure (PSN Status)


Alarm message:

Power supply failure

This alarm is generated when the output voltage of a server power supply unit (PSU) is out of the normal range.

Sensor triggering the alarm: PSN Status


Alarm ID Alarm Severity Auto Clear





Name Meaning

Serial number of the PSU.

Impact on the System

System power supply is affected.

Possible Causes

The PSU is faulty.


  1. If the PSUs are in redundancy mode and the other PSUs are working properly, remove and then install the faulty PSU. Check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 2.

  2. Replace the PSU. Check whether the alarm is cleared.

    For details about how to replace the PSU, see "Replacing Parts" in the server user guide.

    • If yes, no further action is required.

    • If no, go to 3.

  3. Contact Huawei technical support.
Updated: 2019-06-04

Document ID: EDOC1000054724

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