ALM-10798 DC Surge Protector Fault Alarm

Description

This alarm is reported when the DC surge protector is faulty, the settings of the alarm level are incorrect, or the TCU is faulty.

Alarm ID	Alarm Severity	Alarm Type
10798	Critical	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. 95:DTCU
3	Board No.	Number of the fault board 0-2:USCU
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. 17:DBS3900 GSM; 18:BTS3900 GSM; 19:BTS3900A GSM; 20:DBS3036; 21:BTS3036; 22:BTS3036A;
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

The DC surge protection cannot be achieved.

None.

Check the sensor for the DC surge protector.
1. Check whether the sensor is faulty by examining the loop fuse in the surge protector. A burnt-out fuse indicates that the sensor is faulty.
  Y => The sensor for the DC surge protector is faulty. Replace the sensor. Go to procedure 2.
  
  N => The sensor for the DC surge protector is normal. Go to procedure 2.
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.
Reset the TCU.
1. Reset the TCU on the LMT.
2. 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 TCU.
1. Replace the TCU manually.
2. Check whether the alarm is cleared.
  Y => The alarm is cleared. No further action is required.
  
  N => The alarm is not cleared. Contact Huawei.