Troubleshooting - Huawei ECC500 User Manual

ECC500
User Manual
Procedure
Step 1 Check whether the communications cable between the ECC500 and the switch is
disconnected.
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Step 2 Check whether the ECC500 is faulty.
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6.3 Troubleshooting

Table 6-2
Table 6-2 Common ECC500 faults and troubleshooting measures
Module
Main control module
RS485 expansion card,
AI/DI expansion card, and
Independent Deployment
AI/DI Unit
Issue 05 (2020-03-16)
If yes, reconnect the communications cable.
If no, go to Step 2.
If yes, repair or replace the ECC500.
If no, contact Huawei technical support.
describes the common ECC500 faults and the troubleshooting measures.
Copyright © Huawei Technologies Co., Ltd.
Symptom
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.
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.
The Alarm indicator is on,
indicating that there is a
critical or major alarm.
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.
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,
6 Maintenance and Troubleshooting
Solution
Check that the main control
module is in good contact
with the ECC500, runs
properly, and has normal
power input.
Check that the
communications cable
between the main control
module and the host is
properly connected.
Check and clear the alarm.
Check that the board in the
ECC500 has normal power
supply and runs properly.
Check that the board is in
good contact with the
ECC500 and runs properly.
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