ALM-2290 FCU Frequency Point Proximity Alarm

Description

This alarm is reported if the interval between the frequency points of any two channels in the FCU is less than 600kHz.

Alarm ID	Alarm Severity	Alarm Type
2290	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. 130:FCU（FCU uses the ID of the CDU）
3	Board No.	Number of the fault board 0:FCU 0 1:FCU 1
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 or module is located 3: BTS30 5: BTS312 10: BTS3012A 11: BTS3006A
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

When the alarm generates, the basic services proceed, but the downlink coverage goes down.

None.

Check the frequency point configuration of all channels in the FCU, and check if the interval between the frequency points of any two channels is less than 600kHz.
Y=>Reconfigure the channel frequency points and ensure the interval between any two frequency points is not less than 600kHz. Go to Step 2.

N=>The alarm is not cleared, go to Step [3].
Reset the FCU
Reset the FCU through the local or remote maintenance system, check whether the alarm is cleared.

Y=>The alarm handling ends.

N=>Go to step 2.
Replace the FCU
Y=> The alarm is cleared. Alarm Handling is completed.

N=> The alarm is not cleared. Please contact Huawei Customer Service Center.