Attribute
Alarm ID
Alarm Severity
Alarm Type
4097
Major
Fault alarm
Parameter
Parameter
Description
Frame
Subrack number of the EDFA
Slot
Slot number of the EDFA
Fan
Fan ID. The fan module accommodates 3 fans that are numbered
from 1 to 3.
Fan current speed
Current fan-rotating speed
Impact on the System
When the fan-rotating speed is excessively low, the heat from the EDFA may accumulate. As
a result, the EDFA temperature rises and its service life is affected.
Possible Cause
The fan is blocked or damaged.
Handling Procedure
Contact the Huawei to replace the fan.
Alarm Clearing Condition
When the fan-rotating speed exceeds 800 rpm, the alarm is cleared.
2.3.4.2 ALM-4098 Fan Temperature Alarm
Description
When the temperature of the fan module in the chassis exceeds the temperature alarm
threshold (80°C), this alarm is generated.
Attribute
Alarm ID
Alarm Severity
Alarm Type
4098
Minor
Fault alarm
EDFA0820-D
Routine Maintenance Guide
2 Common Alarm Handling
Issue 02 (2018-07-02)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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