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FusionServer Pro Rack Server iBMC Alarm Handling 30

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.
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ALM-0x0300001B Power Input Overvoltage (PSU, Major Alarm)

ALM-0x0300001B Power Input Overvoltage (PSU, Major Alarm)


Alarm message:

Input overvoltage detected on PSU arg1 (SN: arg2, PN: 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 input exceeds the overvoltage threshold.

Alarm object: PSU


Alarm ID Alarm Severity Auto Clear





Name Meaning


No. of the PSU.


SN of the PSU.


Part number.

Impact on the System

The PSU cannot work effectively, and the power supply to the server is affected.

Possible Causes

The mains supply is abnormal.


  1. Remove and reconnect the power cable to 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: 2019-08-05

Document ID: EDOC1000054724

Views: 333018

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