ALM-4800 Main Control Module Hardware Fault Alarm

Description

The TMU hardware is faulty.

Attribute

Alarm ID Alarm Severity Alarm Type
4800 Warning 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.

64:DTMU/DOMU

87:GTMU
3 Board No.

Number of the fault board

0-5:DTMU/GTMU
4 PassNo

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

Alarm sub-category number

1: The work clock on the Ethernet port is abnormal.

2: The heating board of the DMCM on the BTS 3006C /BTS3002E is faulty. Shutting down the heating board is successful.

3: Board slot ID read error.

4: CANBUS software upgrade failed.

5: SDR soft upgrade failed.
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

  • When the alarm is generated, the communication on the Net port of the main control unit is disrupted.
  • When the alarm is generated, the mapping between the actual slot and the configured slot of the main control module is inconsistent.

System Actions

None.

Possible Causes

  • The work clock of the chip at the Net port of the main control module or the detecting circuit is faulty.
  • The hardware of the board is faulty.

Procedure

  1. Tributary No 0:
    1. Reset the main control module.

      Reset the main control module DTMU on the LMT, and check whether the alarm is cleared.

      Y =>If the alarm is cleared, the alarm handling is complete.

      N => If the alarm is not cleared, Go to step b.

    2. Power off and then power on the board.

      Power on and power off the board, and check whether the alarm is cleared.

      Y => If the alarm is cleared, the alarm handling is complete.

      N => If the alarm is not cleared, Go to step c.

    3. Replace the main control module.

      Replace the main control module, and then check whether the alarm is cleared.

      Y => If the alarm is cleared, the alarm handling is complete.

      N => If the alarm is not cleared, contact Huawei Customer Service Center.

  2. Tributary No 1:

    It is recommended that the main control module is replaced .

  3. Tributary No 2:
    1. Reset the MPT.

      Reset the MPT, and check whether the alarm is cleared.

      Y => If the alarm is cleared, the alarm handling is complete.

      N => If the alarm is not cleared, go to step b.

    2. Replace the MPT.

      Replace the MPT, and check whether the fault in the board is rectified.

      Y => If the fault is rectified, the alarm handling is complete.

      N => If the fault persists, contact Huawei Customer Service Center.

  4. Tributary No 3，4，5:

    replace the CAN.

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