ALM-13104 Smoke Alarm

Description

This alarm is reported when a high density of smoke in the equipment room is detected.

Attribute

Alarm ID	Alarm Severity	Alarm Type
13104	Critical	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. 162:GMU
3	Board No.	Number of the fault board 0:GMU
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. 30:BTS3900E;
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 hardware of the BTS may be damaged if no immediate handling is performed in the case of fire.

System Actions

None.

Possible Causes

The equipment room or the cabinet is on fire.
The related sensor is faulty.
The related cable or the surge protection board is faulty.
The DIP switch is incorrectly set.
The environment monitoring unit is faulty.

Procedure

Check the ambient temperature.
1. View the active alarms, and check whether the ambient temperature alarm exists:
  Y => The correlated alarm exists. Go to step b.
  
  N => The correlated alarm does not exist. Go to procedure 2.
2. Clear the correlated alarm according to the online help.
3. Check whether the smoke alarm is cleared:
  Y => The alarm is cleared. No further action is required.
  
  N => The alarm is not cleared. Go to procedure 2.
Check whether the equipment room or the cabinet is on fire.
1. Check on site whether the equipment room or the cabinet is on fire:
  Y => The equipment room or the cabinet is on fire. Go to step b.
  
  N => The equipment room or the cabinet is not on fire. Go to procedure 3.
2. Extinguish the fire immediately.
3. Clear the alarm if the alarm is generated by the faulty EMU.
4. Check whether the alarm is cleared:
  Y => The alarm is cleared. No further action is required.
  
  N => The alarm is not cleared. Go to procedure 3.
Check the alarm level of the smoke alarm.
1. Check whether the alarm level is correct (the smoke alarm should be at high level):
  Y => The level is correct. Go to procedure 4.
  
  N => The level is incorrect. Go to step b.
2. Change the alarm level of the smoke alarm.
3. Check whether the alarm is cleared:
  Y => The alarm is cleared. No further action is required.
  
  N => The alarm is not cleared. Go to procedure 4.
Replace the smoke sensor.
1. Replace the smoke sensor.
2. Clear the alarm if it is generated by the faulty EMU.
3. Check whether the alarm is cleared:
  Y => The alarm is cleared. No further action is required.
  
  N => The alarm is not cleared. Go to procedure 5.
Replace the EMU, and then check whether the alarm is cleared:
Y => The alarm is cleared. No further action is required.

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