ALM-10274 RET Downtilt Out of Normal Range Alarm

Description

This alarm is reported when the RET antenna downtilt is set to a value out of the operating range.

Attribute

Alarm ID Alarm Severity Alarm Type
10274 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.

67:DATU

98:GATM
3 Board No.

Number of the fault board

0-35:DATU/GATM
4 PassNo

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

Alarm sub-category number

257: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

None.

System Actions

None.

Possible Causes

The RET antenna downtilt is set to a value out of the operating range.

Procedure

  1. Reset the RET antenna.

    After resetting the RET antenna, check whether the alarm is cleared.

    Y => The alarm is cleared. No further action is required.

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

  2. Reconfigure the RET antenna downtilt correctly.

    Reconfigure the RET antenna downtilt correctly. Check whether the alarm is cleared.

    Y => The alarm is cleared. No further action is required.

    N => The alarm is not cleared. Go to procedure 3.

  3. Replace the RCU.

    Replace the RCU. Check whether the alarm is cleared.

    Y => The alarm is cleared. No further action is required.

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

  4. Replace the RET antenna.

    Replace the RET antenna. Check whether the alarm is cleared.

    Y => The alarm is cleared. No further action is required.

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

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