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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-0x03000017 Power Output Undervoltage or No Output (PSU, Major Alarm)

ALM-0x03000017 Power Output Undervoltage or No Output (PSU, Major Alarm)


Alarm message:

Output undervoltage or no output detected on PSU arg1 (SN: arg2, BN: arg3). 

From iBMC V328, the RAID controller card and PSU alarms will also include the SN and BOM code, and the fan alarms will also include the BOM code.

This alarm is generated when the PSU output is lower than the undervoltage threshold or no output is detected on the PSU.

Alarm object: PSU


Alarm ID Alarm Severity Auto Clear





Name Meaning


No. of the PSU.


SN of the PSU.


BOM code.

Impact on the System

The PSU cannot work effectively, and the server may be powered off unexpectedly.

Possible Causes

The PSU is faulty.


  1. Replace the PSU. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 2.

  2. Contact Huawei technical support.
Updated: 2019-11-19

Document ID: EDOC1000054724

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