ALM-5712 Battery Power Off Alarm

Description

This alarm is reported when the battery is powered off.

Attribute

Alarm ID Alarm Severity Alarm Type
5712 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.

72:DPMU

133:APM/APMU
3 Board No.

Number of the fault board

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

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

Alarm sub-category number

0: low voltage power-off

1: background control power-off

3: local manual power-off

4: high temperature power-off
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;

20:DBS3036;

21:BTS3036;

22:BTS3036A;
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

None.

System Actions

None.

Possible Causes

  • The AC power supply is cut off and the battery is exhausted or has too high temperature.
  • 0: low voltage power-off3
  • 1: background control power-off
  • 2: local manual power-off
  • 3: high temperature power-off

Procedure

  1. Check the fault causes in the alarm location information.

    Low voltage power-off=>Go to Step 2.

    High temperature power-off=>Go to Step 3.

    Background control power-off=>Go to Step 2.

    Local manual power-off=>Manually power on and alarm handling is completed.

  2. Check if the AC power supply is cut off.
    1. Check on site if the AC power supply input to the PMU is cut off.

      Y=>Go to Step b.

      N=>Go to Step 4.

    2. Handle the fault in AC power supply and see if the alarm is cleared.

      Y=>The alarm is cleared. Alarm handling is completed.

      N=>The alarm is not cleared. Go to Step 4.

  3. Check the battery temperature and the temperature thresholds.
    1. Query the high temperature threshold.
    2. Query the temperature of the built-in battery, battery load, and external battery cabinet.
    3. Check if the battery temperature is higher than the threshold.

      Y=>Go to Step d.

      N=>Go to Step 4.

    4. Lower the temperature and see if the alarm is cleared.

      Y=>The alarm is cleared. Alarm handling is completed.

      N=>The alarm is not cleared. Go to Step 4.

  4. Replace the PMU and see if the alarm is cleared.

    Replace the PMU and see if the alarm is cleared.

    Y=>The alarm is cleared. Alarm handling is completed.

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

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