ALM-10760 Temperature Sensor Fault Alarm

Description

This alarm is reported when the built-in temperature sensor of the DHEU or the external temperature sensor of the DHEU is abnormal.

Attribute

Alarm ID Alarm Severity Alarm Type
10760 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:DHEU/DTCU

4 PassNo

Number of the passage where the faulty board is located.

5 SubLink No.

Alarm sub-category number

0:Built-in temperature sensor of the DHEC

1:External temperature sensor connected to the DHEU

This sensor measures the temperature on the air outlet of the cabinet.

2:External temperature sensor connected to the DHEU

This sensor measures the temperature on the air inlet of the cabinet.

3:External temperature sensor connected to the DHEU

This sensor measures the environment temperature.

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 of the system is affected.

System Actions

None.

Possible Causes

  • No temperature sensor is installed.
  • The cable that connects to the temperature sensor is faulty.
  • The temperature sensor is abnormal.
  • The heat exchanger is faulty.

Procedure

  1. Check whether a temperature sensor is installed.
    1. Check whether a temperature sensor is installed.

      Y=> Go to step 2.

      N=> Go to step b.

    2. Install a temperature sensor.

      Check whether the alarm is cleared after a temperature sensor is installed.

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

      N=> The alarm persists. Go to step 2.

  2. Check whether the cabling of the temperature sensor is proper.
    1. Check whether the cabling of the temperature sensor is proper.

      Y=> Go to step 3.

      N=> Go to b.

    2. Reconnect the cable that connects to the temperature sensor.

      Check whether the alarm is cleared after the reconnection.

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

      N=> The alarm persists. Go to step 3.

  3. Replace the DHEU or the external temperature sensor that connected to the DHEU.

    Check whether the alarm is cleared after the replacement.

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

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


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