ALM-4196 TRX SEND_DIV Channel Alarm

Description

This alarm is reported in transmit diversity mode when a serious fault occurs on one transmit channel of the double-transceiver.

Attribute

Alarm ID Alarm Severity Alarm Type
4196 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.

65:DTRU/GTRU/DDRM

88:DRRU

92:DRFU

96:MRRU

100:MRFU

101:GRFU

102:GRRU

151:QTRU
3 Board No.

Number of the fault board
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;

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

This faulty channel is unavailable when the alarm occurs. But the other channel is normal.

System Actions

The power amplifier of the faulty channel is automatically shut down by the double-transceiver.

Possible Causes

  • The ambient temperature is too high.
  • The heat dissipation system is abnormal.
  • The hardware of the BTS is faulty.
  • The DTRU hardware is faulty.

Procedure

  1. Wait for the results of the system self-processing. Check whether the alarm is cleared.

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

    N=> Go to Step 2.

  2. Check whether a fan alarm occurs on the BTS.
    1. Check whether a fan alarm occurs on the BTS.

      Y=> Go to Step b.

      N=> Go to Step 3.

    2. Rectify the fan fault.

      See 9736 NFCB Fan Subassembly Hardware Alarm.

      When the fan alarm is cleared, go to Step c.

    3. Check whether the temperature of the power amplifier is normal.

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

      N=> Go to Step 3.

  3. Check the environment temperature around the BTS.
    1. Check whether the temperature is higher than 55 ℃.

      Y=> Go to Step b.

      N=> Go to Step 4.

    2. Lower the environment temperature. Check whether the alarm is cleared.

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

      N=> Go to Step 4.

  4. Replace the faulty DTRU. Check whether the alarm is cleared.

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

    N=> The alarm persists. Please contact Huawei Customer Service Center.

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