ALM-5646 PSU Comm. Alarm

Description

The communications between the PSU and the PMU in the power system fails or the PMU detects that the configured power module is out of position.

Attribute

Alarm ID Alarm Severity Alarm Type
5646 Critical 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.

72:DPMU

133:APM/APMU
3 Board No.

Number of the fault board

Value range:0-8:DPMU/APMU/APM
4 PassNo

Number of the passage where the faulty board is located.
5 SubLink No.

Alarm sub-category number.

Sub No.0: Power Supply Unit (PSU) 0 communication alarm.

Sub No.1: PSU 1 communication alarm.

Sub No.2: PSU 2 communication alarm.

Sub No.3: PSU 3 communication alarm.

Sub No.4: PSU 4 communication alarm.

Sub No.5: PSU 5 communication alarm.

Sub No.6: PSU 6 communication alarm.

Sub No.7: PSU 7 communication alarm.

Sub No.8: PSU 8 communication alarm.

Sub No.9: PSU 9 communication alarm.
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;

17:DBS3900 GSM;

18:BTS3900 GSM;

19:BTS3900A GSM;
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

The power supply and the BTS services may be interrupted.

System Actions

None.

Possible Causes

  • The communications between the PSU and the PMU in the power system fails.
  • The PMU detects that the configured power module is out of position.
  • The corresponding PSU is faulty.

Procedure

  1. Check whether the PSU and the PMU are securely installed.
    1. Check whether the PSU and the PMU are securely installed:

      Y => The modules are securely installed. Go to procedure 2.

      N => The modules are not securely installed. Go to step b.

    2. Remove the faulty modules and install them properly.
    3. Check whether the alarm is cleared:

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

      N => The alarm is not cleared. Go to procedure 2.

  2. Replace the faulty PSU.
    1. Replace the faulty PSU.
    2. Check whether the alarm is cleared:

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

      N => The alarm is not cleared. Contact Huawei Customer Service Center.

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