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Agile Controller EEM V200R010C10 Alarm Handling

This document provides the explanations, causes, and recommended actions of alarms on the EEM.
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DCC_103104419 Alarm About MCU Fault

DCC_103104419 Alarm About MCU Fault

Description

An AR538 in a modular meter obtains the micro control unit (MCU) software version every two minutes. This alarm is generated when the AR538 fails to obtain the MCU software version.

Attribute

Alarm ID Alarm Severity Alarm Type
103104419 Major Equipment alarm

Impact on the System

The system cannot work properly.

Possible Causes

  • The MCU is faulty.
  • An UART communication fault occurs between the Hi3911 chip and MCU.

Procedure

  1. Check alarm location information and confirm the information about the electrical meter on which the alarm occurs.
    1. Start the EEM, enter the user name and password, and click Go to log in to the EEM.
    2. Choose Monitoring > Alarm > Current Alarm to access the Current Alarm page and view the alarm list.
    3. Click next to the alarm. The system displays detailed information about the alarm, such as alarm location.
  2. Confirm the device that generates this alarm and check whether the MCU of the device is faulty.

    • If so, rectify the fault. After the MCU works properly, check whether the alarm is cleared.
      • If so, the process is ended.
      • If not, go to 3.
    • If not, go to 3.

  3. Check whether an UART communication fault occurs between the Hi3911 chip and MCU.

    • If so, rectify the fault. After the UART communication between the Hi3911 chip and MCU is normal, check whether the alarm is cleared.
      • If so, the process is ended.
      • If not, collect alarm information and contact Huawei technical support personnel.
    • If not, collect alarm information and contact Huawei technical support personnel.

Clearing

The alarm cannot be automatically cleared by the system and needs to be cleared manually.

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Updated: 2019-03-07

Document ID: EDOC1100053923

Views: 8637

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