ALM-6406 Smog Alarm

Description

The alarm is reported when the smoke density reaches the threshold.

Attribute

Alarm ID	Alarm Severity	Alarm Type
6406	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. 70:DEMU/EMU
3	Board No.	Number of the fault board 0-2:DEMU/EMU
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. 12:BTS3012; 13:BTS3006C; 14:BTS3002E; 15:BTS3012AE; 16:BTS3012 II; 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

There may be a fire. Deal with it as an emergency or the hardware may be destroyed.

System Actions

None.

Possible Causes

The machine room is on fire.
The sensors are faulty.
The cables or the lightening protection board is faulty.
The switches are set incorrectly.
The environment monitoring module is faulty.

Procedure

Check the ambient temperature.
1. View the active alarms, and check whether the ambient temperature alarm exists:
  Y => The precedent alarms exist. Go to step b.
  
  N => The precedent alarms do not exist. Go to procedure 2.
2. Clear the alarm according to the online help.
3. Check whether the alarm is cleared:
  Y => The alarm is cleared. The alarm handling ends.
  
  N => The alarm is not cleared. Go to procedure 2.
Check whether the equipment room or the outdoor cabinet is on fire.
1. Check on site whether the equipment room or the outdoor cabinet is on fire:
  Y => The equipment room or the outdoor cabinet is on fire. Go to step b.
  
  N => The equipment room or the outdoor cabinet is not on fire. Go to procedure 3.
2. Put out 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. The alarm handling ends.
  
  N => The alarm is not cleared. Go to procedure 3.
Check the alarm level of the smoke sensor alarm.
1. Check the alarm level of the smoke sensor alarm. The smoke sensor alarm is triggered in high level.
  Y => The setting is correct. Go to procedure 4.
  
  N => Reset the alarm level of the smoke alarm. 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. The alarm handling ends.
  
  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. The alarm handling ends.
  
  N => The alarm is not cleared. Go to procedure 5.
Replace the EMU.
1. Replace the EMU manually.
2. Check whether the alarm is cleared:
  Y => The alarm is cleared. The alarm handling ends.
  
  N => The alarm is not cleared. Contact Huawei Customer Service Center.