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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 (SYS 12V)

ALM-0x0142FFFF Below Lower Major Threshold (SYS 12V)

Description

Alarm message:

Below lower major threshold

This alarm is generated when the SYS 12V voltage detected by the HFC of the RH8100 V3 is lower than the major threshold.

Sensor triggering the alarm: SYS 12V

Attribute

Alarm ID Alarm Severity Auto Clear

0x0142FFFF

Major

Yes

Impact on the System

The server may be powered off abnormally.

Possible Causes

  • The HFC is faulty.
  • A power supply unit (PSU) is faulty.

Procedure

  1. Check whether a PSU fault alarm exists.

    • If yes, go to 4.

    • If no, go to 2.

  2. Remove and reinstall the HFC. Then check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 3.

  3. Replace the HFC. Then check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 5.

  4. Replace the faulty PSU. Then check whether the alarm is cleared.

    • 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

Views: 247548

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