ALM-6000 Load Power Off Alarm

Description

This alarm is reported when some parts of the equipment is powered off.

Alarm ID	Alarm Severity	Alarm Type
6000	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. 72:DPMU
3	Board No.	Number of the fault board Value range:0-8:DPMU
4	PassNo	Number of the passage where the faulty board is located.
5	SubLink No.	Alarm sub-category number 0: low voltage power off 1: MCU controlled power off 2: high temperature power off
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

The services may be interrupted.

None.

When the DC power supply fails, or the temperature inside the cabinet is too high, the MCU or [2] the PMU of the BTS power off the some of the less important devices.
0: low voltage power off
1: background control power off
2: high temperature power off

Judge the causes of the alarm.
1. MCU controlled power off: Go to step 2.
2. Low voltage power off: Go to Step 2.
3. High temperature power off: Go to Step 3.
Check if the AC power supply fails.
1. Check on site if the AC power supply input to the BTS fails.
  Y=>Go to Step b.
  N=>Go to Step 4.
2. Handle the problem in AC power supply failure and see if the alarm is cleared.
  Y=>Alarm handling is completed.
  
  N=>Go to Step 4.
Check if the temperature inside the cabinet is too high.
1. Query the high temperature threshold.
2. Query the temperature inside the cabinet.
3. Judge if the temperature at the air inlet is higher than the threshold.
  Y=>Go to Step d.
  N=>Go to Step 4.
4. Lower the temperature inside the cabinet and see if the alarm is cleared.
  Y=>Alarm handling is completed.
  
  N=>The alarm is not cleared. Go to Step 4.
Replace the PMU and see if the alarm is cleared.
Y=>Alarm handling is completed.
N=>The alarm is not cleared. Please contact Huawei Customer Service Center.