ALM-5736 DC Lightning Arrester Failure Alarm

Description

This alarm is reported when the DC lightning arrester is abnormal.

Alarm ID	Alarm Severity	Alarm Type
5736	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. 133:APM/APMU
3	Board No.	Number of the fault board Value range:0-8:APMU
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. 13:BTS3006C; 14:BTS3002E; 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

The lightning arrester is damaged, and thus the BTS may be damaged by lightning.

None.

Check the alarm voltage, if the forth alarm voltage of the APMU is not set to low level. Set the alarm voltage to low level. Check whether the alarm is cleared:
Y => The alarm is cleared. No further action is required.

N => The alarm is not cleared. Go to step 2.
Replace the alarm signaling cable of the DC surge protector. Check whether the alarm is cleared:
Y => The alarm is cleared. No further action is required.

N => The alarm is not cleared. Go to step 3.
Replace the PDU of the DC surge protector. 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.