ALM-10762 Fan Alarm

Description

This alarm is reported when the rotational speed of the fan is abnormal.

Attribute

Alarm ID Alarm Severity Alarm Type
10762 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.

74:DHEU

95:DTCU
3 Board No.

Number of the fault board

0-1:DHEU/DTCU
4 PassNo

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

Alarm sub-category number

0:Internal fan alarm

1:External fan alarm
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.

15:BTS3012AE;

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 heat dissipation in the BTS3012AE cabinet is affected. The hardware of the BTS3012AE might be damaged.

System Actions

None.

Possible Causes

  • The internal and external fans are improperly installed.
  • The internal and external fans are abnormal.
  • The heat exchanger is faulty.

Procedure

  1. Check the inter air circulation fan.
    1. Check the inter air circulation fan.
    2. Replace the inter air circulation fan of the heat exchanger.
    3. 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.

  2. Check the outer air circulation fan.
    1. Check the outer air circulation fan.
    2. Replace the outer air circulation fan of the heat exchanger.
    3. 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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