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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-0x1000001F Mainboard Standby 1 V Undervoltage (Mainboard, Major Alarm)

ALM-0x1000001F Mainboard Standby 1 V Undervoltage (Mainboard, Major Alarm)

Description

Alarm message:

Mainboard voltage (arg1 V) at standby 1 V detection point is lower than the undervoltage threshold (arg2 V) (BN: arg3).

From iBMC V316, the CPU and disk alarms will also include the SN and BOM code and the mainboard and memory alarms will also include the BOM code.

This alarm is generated when the voltage of the standby 1 V detection point on the mainboard is lower than the undervoltage threshold.

Alarm object: mainboard

Attribute

Alarm ID Alarm Severity Auto Clear

0x1000001F

Major

Yes

Parameters

Name Meaning

arg1

Current reading of the sensor.

arg2

Alarm threshold.

arg3

BOM code.

Impact on the System

The iBMC is not stable.

Possible Causes

The mainboard is faulty.

Procedure

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

    • If yes, no further action is required.

    • If no, go to 2.

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

Document ID: EDOC1000054724

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