20436 Abnormal PDB Monitoring Board Component

Description

This alarm is reported when a component on the monitoring board in the power distribution box is faulty.

Attribute

Alarm ID Alarm Severity Alarm Type
20436 Major Fault

Parameters

ID Name Meaning
1 Subrack No.

The number of the subrack

2 Logical Slot No.

0=0(Powerbox Monitor)

3 Sensor No.

The number of the sensor that resides in the board

4 HW Work Status

0=Normal, 1=Faulty

5 Alarm Attribute

0=Normal, Alarms period are longer than the Transient Threshold.

1=Transient Count, The times and the period of the alarms whose periods are shorter than the Transient Threshold are summed up. If the sum result is longer than the Alarm Occurrence Period Threshold or Alarm Occurrence Times Threshold, an alarm so called Transient Count Alarm is triggered. Because Transient Count Alarm is based on accumulative result, the recovery of the alarm may occur at least one Summing Cycle later. The Summing Cycle can be query by MML "LST STATSLDWIN".

Impact on the System

The monitoring function of the power distribution box is affected.

System Actions

None.

Possible Causes

The fault may lie in AD7828 or EEPROM on the monitoring board in the power distribution box.

Procedure

  1. Replace the monitoring board with a new one and check whether the alarm is cleared.

    Y =>The alarm is cleared. The alarm handling is complete.

    N =>The alarm persists. Contact Huawei Customer Service Center.


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