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FusionServer Pro Rack Server iBMC Alarm Handling 30

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.
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ALM-0x27000003 PCH MCE/AER Error (PCH, Critical Alarm)

ALM-0x27000003 PCH MCE/AER Error (PCH, Critical Alarm)


Alarm message:

The PCH triggered an uncorrectable error, arg1.

The alarm is generated when a PCH uncorrectable error is detected.

Alarm object: PCH


Alarm ID Alarm Severity Auto Clear





Name Meaning


Error code of the PCH alarm.

Impact on the System

Server operation is affected.

Possible Causes

  • The PCH chip is faulty.


  1. Gracefully power off the server and check whether the PCH chip or mainboard has any damage.

    • If yes, go to 4.

    • If no, go to 2.

  2. Power on the server to start the power-on self-test (POST) and then run test software. Check whether the POST succeeds and the test software finds no fault.

    • If yes, go to 3.

    • If no, go to 4.

  3. Check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 4.

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

    • If yes, no further action is required.

    • If no, go to 5.

  5. Contact Huawei technical support.
Updated: 2019-08-05

Document ID: EDOC1000054724

Views: 331721

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