ALM-9752 Smog alarm

Description

The smoke voltage and the alarm voltage are consistent for 20 seconds.

Alarm ID	Alarm Severity	Alarm Type
9752	Major	Fault

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. 93:FMU 94:FMUA
3	Board No.	Number of the fault board 0-7:FMU/FMUA
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. 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

None.

Check whether there is fire in the field.
Y=> There is a fire. Go to step 2.

N=> There is no fire. Go to Step step 3 .
. Extinguish the fire in the equipment room.
After the fire in the equipment room is extinguished, check whether the alarm is cleared.

Y=> the alarm handling is complete.

N=> The alarm is not cleared. Go to step 3.
. Check other fault causes.
1. Issue the alarm reset the command.
  Issue the alarm reset command through the maintenance console and check whether the alarm is cleared.
  
  Y=> the alarm handling is complete.
  
  N=> The alarm is not cleared. Go to b.
2. Check whether the smoke sensor is normal. Replace the sensor if necessary. Check whether the alarm is cleared.
  Y=> the alarm handling is complete.
  
  N=> The alarm is not cleared. Go to c.
3. Ensure that the sensor wire is securely connected. Check whether the alarm is cleared.
  Y=> The alarm is cleared. The alarm handling is complete.
  
  N=> The alarm is not cleared. Go to d.
4. Reset the board by means of software and hardware. Check whether the alarm is cleared.
  Y=> the alarm handling is complete.
  
  N=> Please contact Huawei Customer Service Center.