| 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. 140:OSSU |
| 3 | Board No. | Number of the fault board 0:OSSU0 |
| 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; |
| 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 |
If the alarm is caused by output failure of the voltage regulator, the air-conditioner stops running for BTS3012A air-conditioner cabinet, so does the heat exchanger for BTS3012A heat exchanger cabinet.
Check whether ALM-5988 No Mains Supply Alarm is reported on the alarm system. Handle ALM-5988 No Mains Supply Alarm according to the corresponding handling suggestions. Check whether the alarm is cleared.
Y=> The alarm handling ends.
N=> Go to Step 2.
Measure the input AC voltage of the voltage regulator to see whether it is between 150V and 300V.
Y=> Go to Step 4.
N=>Go to Step 3.
Check whether the AC mains supply is in normal operation (the output voltage should be between 150V and 300V). Clear the faults of the mains supply if any. View whether the alarm is cleared.
Y=>The alarm handling ends.
Set the Bypass switch (on the panel of the voltage regulator) to ON position. View whether the BTS works normally.
Y=>The alarm may be caused by faults of the voltage regulator.Please contact Huawei Customer Service Center to replace the voltage regulator.
N=>Set the Bypass switch back to OFF position.Please contact Huawei Customer Service Center for solutions.