ALM-3664 DRU Temperature alarm

Description

This alarm is triggered when the DRU temperature is between the high temperature warning threshold and the high temperature major alarm threshold, or lower than the low temperature warning threshold.

Attribute

Alarm ID	Alarm Severity	Alarm Type
3664	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. 135:DRU
3	Board No.	Number of the fault board 0:DRU0 1:DRU1
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 or module is located 9: BTS3002C
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

The heating board in the DRU is faulty.
Some hardware in the DRU is faulty.
The cooling system in the DRU fails.

Procedure

Wait for the alarm to disappear automatically
Wait for about 30 minutes. Check whether the alarm is cleared.

Y=> The alarm handling ends.

N=> Go to step 2.

Note:

Manual handling is required if the alarm is frequently reported and cleared.
Check the DRU temperature
To check the DRU temperature through the following operations:
1. Log in to the BSC6000 Local Maintenance Terminal.
2. Choose BTS Maintenance > site Maintenance > Monitor BTS Resource in the menu bar.The Monitor BTS Resource dialog box is displayed.
3. .
  Note:
  
  HW_ALM_THD_HIGHTEMPERATURE: 65;HW_ALM_THD_LOWTEMPERATURE: -5.
Reset the BTS
Perform fourth-level reset on the BTS3002C through the LMT or local maintenance system. Check whether the alarm is cleared.

Y=>The alarm handling is complete.

N=>The DRU hardware might be faulty.Please contact Huawei Customer Service Center and report the DRU temperature to it.