ALM-3706 AC Off or Battery Low Alarm

Description

This alarm is triggered when the UPS detects that the AC input mains fails or the battery is under voltage (related to the battery model).

Attribute

Alarm ID Alarm Severity Alarm Type
3706 Warning Fault

Parameters

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.

129:IOMU

3 Board No.

Number of the fault board

0:IOMU

4 PassNo

Number of the passage where the faulty board is located.

5 SubLink No.

Alarm sub-category number

0:The AC power-off alarm.

1:The battery is too voltage.

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 or module is located

9: BTS3002C

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

Impact on the System

The BTS3002C works using the UPS if the "Sub No." is 0. The BTS3002C services will be interrupted if the "Sub No." is 1.

System Actions

None.

Possible Causes

  • The AC mains fails.
  • The UPS battery is undervoltage.

Procedure

  1. Reset IOMU

    Reset the IOMU and check whether the alarm is cleared.

    Y=> The alarm handling ends.

    N=> Go to Step 2.

  2. Check the AC Power Input and the Battery Voltage

    Check whether the AC power input to the BTS3002C is interrupted if the "Sub No." is 0.

    Check whether the battery is undervoltage if the "Sub No." is 1.

    Y=> Resume the AC power input to normal state or charge the battery. The alarm handling ends.

    N=> Go to Step 3.

  3. Check the detection circuit in the UPS

    Contact the UPS supplier and check whether the UPS detection circuit is unnormal.

    Y=> Contact the UPS supplier for UPS repair. The alarm handling ends.

    N=>Please contact Huawei Customer Service Center


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