ECC500
User Manual
6 Maintenance and Troubleshooting
Issue 05 (2020-03-16)
Copyright © Huawei Technologies Co., Ltd.
99
6.2.3.2 MUE06A_Power Voltage Low Alarm
Description
This alarm is generated when the power voltage is below the alarm threshold.
Attribute
Alarm ID
Alarm Severity
Alarm Type
22697
Set to
Major
by default.
Equipment alarm
Impact on the System
After this alarm is generated, modules are affected.
Possible Causes
The power supply to the RS485 board is faulty.
Cables are not securely connected.
The power supply to the Independent Deployment AI/DI Unit is faulty.
Procedure
Step 1
Replace the faulty RS485 board or power module.
Step 2
Check that cables are properly connected.
Step 3
Replace the Independent Deployment AI/DI Unit.
----End
Clearing
This alarm is cleared when the power voltage exceeds the alarm clearance threshold.
6.2.4 Comm Failed
Description
This alarm is generated when a networked device is disconnected from the ECC500.
Attribute
Alarm ID
Alarm Severity
Alarm Type
-
Critical
Alarm