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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-0x0341FFFF Uncorrectable PCH Error (PCH Status)

ALM-0x0341FFFF Uncorrectable PCH Error (PCH Status)


Alarm message:

Uncorrectable PCH error

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

Sensor triggering the alarm: PCH Status


Alarm ID Alarm Severity Auto Clear




Impact on the System

The system may restart or stop responding.

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 (just as FusionServer Toolkit). Check whether the POST succeeds and the test software finds no fault.

    For details about the download address and the operation methods about FusionServer Toolkit, see FusionServer Tools 2.0 Toolkit User Guide.

    • 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: 2019-11-19

Document ID: EDOC1000054724

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