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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-0x0149FFFF Above Upper Major Threshold (Standby 1.5V)

ALM-0x0149FFFF Above Upper Major Threshold (Standby 1.5V)


Alarm message:

Above upper major threshold

This alarm is generated when the voltage of the Standby 1.5V sensor on the mainboard is higher than the major alarm upper threshold.

Sensor triggering the alarm: Standby 1.5V


Alarm ID Alarm Severity Auto Clear




Impact on the System

System power supply is affected.

Possible Causes

The mainboard is faulty.


  1. Power off the server, remove and reconnect the power cables, and power on the server. Check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 2.

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

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

    For details, see 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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