ALM-9672 PBU Low Forward Power Alarm

Description

This alarm is triggered when the gain of the power amplifier in the PBU decreases.

Attribute

Alarm ID Alarm Severity Alarm Type
9672 Major Fault

Parameters

ID Name Meaning
1 Site No.

Number of the site where the faulty board or module is located

Value range: 0-2047

2 Board Type

Number of the type which the faulty board belongs to.

147:PBU

196:P-PBU

197:R-PBU

198:D-PBU

3 Board No.

Number of the fault board

0:PBU 0

4 PassNo

Number of the passage where the faulty board is located.

5 SubLink No.

Alarm sub-category number

255:None

6 Cell Index

Index of the cell where the board or module is located

0-2047: Cell index of the faulty cell in the data configuration

65535: None

7 Site Type

Type of the site where the faulty board is located.

12:BTS3012;

13:BTS3006C;

14:BTS3002E;

15:BTS3012AE;

16:BTS3012 II;

8 RackNo

Number of the rack where the faulty board is located.

9 BoxNo

Number of the subrack where the faulty board is located.

10 SlotNo

Number of the slot where the faulty board is located.

11 Site Name

Site Name

12 Alarm Attribute

Alarm Character

0:Normal

1:Transient Count

Impact on the System

When this alarm occurs, the output power of the PBU decreases, thus leading to shrinkage of cell coverage scope.

System Actions

None.

Possible Causes

The power amplifier in the PBU is damaged.

Procedure

  1. Reset the PBU

    Reset the PBU on the LMT. View whether the alarm is cleared.

    Y=> The alarm handling ends.

    N=> Go to Step 2.

  2. Power down the PBU and then power up it

    Power down the PBU and then power up it. View whether the alarm is cleared.

    Y=> The alarm handling ends.

    N=> Go to Step 3.

  3. Replace the PBU

    Replace the PBU and view whether the alarm is cleared.

    Y=> The alarm handling ends.

    N=> Please contact Huawei Customer Service Center.


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