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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-0x23000015 I/O Board Clock Lost (I/O Board, Major Alarm)

ALM-0x23000015 I/O Board Clock Lost (I/O Board, Major Alarm)


Alarm message:

I/O board (arg1) arg2 clock [arg3] signals lost.

This alarm is generated when the clock of the I/O board is lost.

Alarm object: I/O board


Alarm ID Alarm Severity Auto Clear





Name Meaning


Location and serial number of the I/O board. For example, FIO1 or BIO1.


Type of the mainboard clock. For example, 100MHz or 156.25MHz.


Clock number.

Impact on the System

The system may even stop responding.

Possible Causes

The I/O board is abnormal.


  1. Replace the I/O board. 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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