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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: Undervoltage (Major, PCIE FPGA 1V/PCIE FPGA 1.2V/PCIE FPGA 1.8V)

Slot: Undervoltage (Major, PCIE FPGA 1V/PCIE FPGA 1.2V/PCIE FPGA 1.8V)


Alarm message:

Voltage below lower major threshold

This alarm is generated when the PCIe voltage is lower than the lower threshold for major alarms.

This alarm is generated by the following sensors:

  • PCIE FPGA 1.2V
  • PCIE FPGA 1.8V


Alarm ID

Alarm Severity

Auto Clear




Impact on the System

The abnormal PCIe card voltage may cause the system or related services to break down.

Possible Causes

The PCIe card power supply is faulty


  1. Power off the compute node and remove it from the chassis.

    You can power off the compute node using either of the following methods:
    • On the HMM CLI, run the smmset -l bladeN -d powerstate -v poweroff command.
    • On the HMM WebUI, choose PSUs & Fans > PSU Management > Power Control, and click the power control button to power off the compute node.

  2. Replace the PCIe card. Then check whether the alarm is cleared

    For details about how to replace the PCIe card, see the server user guide.
    • If yes, no further action is required.
    • If no, go to 3.

  3. On the HMM WebUI, choose System Management > Information Collection, and collect logs.
  4. Contact Huawei technical support.
Updated: 2018-08-16

Document ID: EDOC1000015902

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