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FusionServer Pro Rack Server iBMC Alarm Handling 31

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.

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ALM-0x2100FFFF Fault Status (PSN Fan Status)

ALM-0x2100FFFF Fault Status (PSN Fan Status)


Alarm message:

Fault status

This alarm is generated when a fan for a power supply unit (PSU) fails.

Sensor triggering the alarm: PSN Fan Status


Alarm ID Alarm Severity Auto Clear





Name Meaning


Serial number of the PSU.

Impact on the System

The heat dissipation failure may cause a high temperature in the PSUs, which may affect the system power supply.

Possible Causes

The fan for a PSU is faulty.


  1. Remove and install the 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: 2019-11-19

Document ID: EDOC1000054724

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