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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-0x0840FFFF Device Removed / Device Absent (FANN F Presence/FANN R Presence)

ALM-0x0840FFFF Device Removed / Device Absent (FANN F Presence/FANN R Presence)

Description

Alarm message:

Device Removed / Device Absent

This alarm is generated when a specified fan module is not detected.

Sensor triggering the alarm:

  • FANN F Presence

  • FANN R Presence

Attribute

Alarm ID Alarm Severity Auto Clear

0x0840FFFF

Major

Yes

Parameters

Name Meaning
N Serial number of the fan.

Impact on the System

The system heat dissipation is affected, and the performance of the components on the mainboard deteriorates.

Possible Causes

  • The fan module is removed.

  • The fan module is not properly installed.

Procedure

  1. Check whether the alarmed fan module is removed.

    • If yes, go to 2.

    • If no, go to 3.

  2. Install the fan module properly. Check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 3.

  3. Remove and reinstall the fan module. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 4.

  4. Replace the fan module. Check whether the alarm is cleared.

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

    • If yes, no further action is required.

    • If no, go to 5.

  5. Contact Huawei technical support.
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Updated: 2019-06-04

Document ID: EDOC1000054724

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