20424 Abnormal Humidity

Description

This alarm is reported when the environment humidity of the power distribution box or the environment monitoring device exceeds the upper or lower limitation.

Attribute

Alarm ID	Alarm Severity	Alarm Type
20424	Major	Fault

Parameters

ID	Name	Meaning
1	Subrack No.	The number of the subrack
2	Logical Slot No.	0=0(Powerbox Monitor),2=2(Enviroment Monitor)
3	Sensor No.	The number of the sensor that resides in the board
4	Humidity Status	0=Normal,1=High,2=Low
5	Alarm Attribute	0=Normal, Alarms period are longer than the Transient Threshold. 1=Transient Count, The times and the period of the alarms whose periods are shorter than the Transient Threshold are summed up. If the sum result is longer than the Alarm Occurrence Period Threshold or Alarm Occurrence Times Threshold, an alarm so called Transient Count Alarm is triggered. Because Transient Count Alarm is based on accumulative result, the recovery of the alarm may occur at least one Summing Cycle later. The Summing Cycle can be query by MML "LST STATSLDWIN".

Impact on the System

The humidity that exceeds the upper or lower limitation has an impact on the normal running of the system.

System Actions

None.

Possible Causes

The humidity of the system work environment exceeds the upper or lower limitation.

Procedure

If the humidity exceeds the lower limitation, use a moistener.
Y => The alarm is cleared. The alarm handling is complete.

N => The alarm persists. Please contact Huawei Customer Service Center.
If the humidity exceeds the upper limitation, use a dehumidifier.
Y =>The alarm is cleared. The alarm handling is complete.

N =>The alarm persists. Please contact Huawei Customer Service Center.