ALM-5738 Inner Circulation Fan Abnormal

Description

This alarm is reported when the inner circulation fan is abnormal.

Attribute

Alarm ID Alarm Severity Alarm Type
5738 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.

133:APM/APMU
3 Board No.

Number of the fault board

Value range:0-8:APMU
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.

13:BTS3006C;

14:BTS3002E;

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 ambient temperature and humidity of the BTS may be affected when the fan stops working.

System Actions

None.

Possible Causes

This alarm is reported when the inner circulation fan is abnormal.

Procedure

  1. Check the power cable connections of the inner air circulation fan.
    1. Check whether the power cable connections of the inner air circulation fan are faulty.

      Y => The connections are not secure. Go to step b.

      N => The connections are secure. Go to procedure 2.

    2. Clear the fault in power cable connections.
    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 inner air circulation fan.
    1. Replace the inner air circulation fan.
    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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