ECC500
User Manual
6 Maintenance and Troubleshooting
Issue 05 (2020-03-16)
Copyright © Huawei Technologies Co., Ltd.
102
Procedure
Step 1
Check whether the communications cable between the ECC500 and the switch is
disconnected.
If yes, reconnect the communications cable.
Step 2
Check whether the ECC500 is faulty.
If yes, repair or replace the ECC500.
If no, contact Huawei technical support.
----End
6.3 Troubleshooting
describes the common ECC500 faults and the troubleshooting measures.
Table 6-2
Common ECC500 faults and troubleshooting measures
Module
Symptom
Solution
Main control module
The Run indicator is off,
indicating that the main
control module is in poor
contact with the ECC500, is
faulty, or has no power
input.
Check that the main control
module is in good contact
with the ECC500, runs
properly, and has normal
power input.
The Run indicator is
blinking fast (0.125s on and
0.125s off), indicating that
communication between the
main control module and the
host is abnormal.
Check that the
communications cable
between the main control
module and the host is
properly connected.
The Alarm indicator is on,
indicating that there is a
critical or major alarm.
Check and clear the alarm.
RS485 expansion card,
AI/DI expansion card, and
Independent Deployment
AI/DI Unit
The PWR indicator is off,
indicating that the RS485
expansion card, AI/DI
expansion card, or
Independent Deployment
AI/DI Unit is faulty or has
abnormal power supply.
Check that the board in the
ECC500 has normal power
supply and runs properly.
The RUN indicator is off,
indicating that the RS485
expansion card or AI/DI
expansion card is in poor
contact with the ECC500, or
the RS485 expansion card,
Check that the board is in
good contact with the
ECC500 and runs properly.