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E9000 Server V100R001 HMM Alarm Handling 19

This document describes E9000 server alarms in terms of the meaning, impact on the system, possible causes, and solutions.
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Slot: PCH MCE/AER Error (Critical, PCH Status)

Slot: PCH MCE/AER Error (Critical, PCH Status)


Alarm message:

Uncorrectable PCH error


The PCH triggered an uncorrectable error, arg1.

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

This alarm is generated by the following sensor:

PCH Status


Alarm ID

Alarm Severity

Auto Clear








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 compute node and remove it from the chassis. Then 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. On the HMM WebUI, choose System Management > Information Collection, and collect logs.
  6. Contact Huawei technical support.
Updated: 2018-08-16

Document ID: EDOC1000015902

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