ALM-2246 Air-conditioner/Heat-exchanger Alarm

Description

The alarm is triggered when the air conditioner or heat exchanger of BTS30A is faulty.

Attribute

Alarm ID Alarm Severity Alarm Type
2246 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.

129:TMU

3 Board No.

Number of the fault board

0:TMU

4 PassNo

Number of the passage where the faulty board is located.

5 SubLink No.

Alarm sub-category number

0:air conditioner

1:heat exchanger

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 or module is located

3: BTS30A

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 alarm might cause abnormal ambient temperature of the BTS and affect normal operation of it.

System Actions

None.

Possible Causes

  • The relevant air conditioner or heat exchanger is damaged.
  • The cable between the air conditioner or heat exchanger and the backplane is faulty.
  • There is no power supply to the air conditioner or heat exchanger.

Procedure

  1. Check the power supply

    Check whether the BTS is powered down. If yes, resume supplying power to it. Check whether the alarm is cleared.

    Y=> The alarm handling ends.

    N=> Go to Step 2.

    If the BTS is not powered down, go to Step [2].

  2. Check the cable connection

    Replace the cable between the air conditioner or heat exchanger and the backplane. Check whether the alarm is cleared.

    Y=> The alarm handling ends.

    N=> Go to Step 3.

  3. Check whether the air conditioner or heat exchanger is faulty

    Replace the air conditioner or heat exchanger. Check whether the alarm si cleared.

    Y=> The alarm handling ends.

    N=> Huawei Customer Service Center.


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