ALM-4202 Fan In-Position alarm

Description

This alarm is reported if a fan is added when the running power of the DDRM (Double Transceivers Digital and Radio Frequency Module) is 20 W.

Attribute

Alarm ID Alarm Severity Alarm Type
4202 Warning 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.

65:DDRM
3 Board No.

Number of the fault board

0-53:DDRM
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;
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

  • A fan is added when the running power of the DDRM is 20 W.
  • A fan is required only when the running power of the working DDRM is 20 W.

Procedure

  1. Remove the fan or set the DDRM working mode to larger than 20 W. Check whether the alarm is cleared.

    Y=> The alarm is cleared. Alarm handling is completed..

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

  2. Replace the DTRM and check whether the alarm is cleared.

    Y=>The alarm is cleared. Alarm handling is completed.

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

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