ALM-5868 Rack High Humidity Alarm

Description

This alarm is reported when the cabinet humidity is above the upper limit. The default upper humidity threshold is 80%RH; RH refers to the relative humidity.

Attribute

Alarm ID	Alarm Severity	Alarm Type
5868	Major	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. 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 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. 3:BTS30; 5:BTS312; 10:BTS3012A; 11:BTS3006A; 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

Impact on the System

The board may be damaged and the services may be interrupted.

System Actions

None.

Possible Causes

The cabinet humidity is above 80%RH.
The humidity sensor is damaged.

Procedure

Measure the cabinet humidity.
1. Check the setting of the higher humidity threshold of the cabinet.
  Run the LST BTSEXD command on the MML client.
  
  The higher humidity threshold can be viewed.
2. Measure the humidity inside the cabinet and check whether the humidity is above the higher humidity threshold.
  Y=>Go to step 2.
  
  N=>The humidity is normal, go to step [3].
Lower the humidity.
Lower the humidity by air conditioner and see if the alarm is cleared.

Y=>The alarm is cleared. Alarm handling is completed.

N=>The alarm is not cleared. Go to Step4.
Check whether the upper humidity threshold is set higher than normal.
Check whether the upper humidity threshold is set higher than normal. Note that the normal humidity for the BTS is from15%RH to 85%RH.

Y=>Modify the upper humidity threshold and check if the alarm is cleared. The alarm is cleared. Alarm handling is completed. The alarm is not cleared. Go to Step 4.

The operation procedure is as follows:

Run the SET BTSEXD command on the MML client.

Set the upper humidity threshold to 85％RH.

N=> Go to step 4.
Replace the humidity sensor.
See if the alarm is cleared.

Y=>The alarm is cleared. Alarm handling is completed.

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