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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-0x0142FFFF Below Lower Major Threshold (Standby 5V)

ALM-0x0142FFFF Below Lower Major Threshold (Standby 5V)

Description

Alarm message:

Below lower major threshold

This alarm is generated when the voltage of the Standby 5V sensor on the mainboard is lower than the major alarm lower threshold.

Sensor triggering the alarm: Standby 5V

Attribute

Alarm ID Alarm Severity Auto Clear

0x0142FFFF

Major

Yes

Impact on the System

System power supply is affected.

Possible Causes

The mainboard is faulty.

Procedure

  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.
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Updated: 2019-06-04

Document ID: EDOC1000054724

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