Huawei iManager NetEco 6000 Device Installation And Commissioning Manual page 262

iManager NetEco 6000
Device Installation and Commissioning Guide
Item
Issue 03 (2019-03-10)
Mainte Method
nance
Frequen
cy
Copyright © Huawei Technologies Co., Ltd.
Expected Symptom
Result and
Possible
Cause
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, AI/DI
expansion
card, or
independent
deployment
AI/DI unit is
faulty.
The RUN
indicator is
blinking fast
(0.125s on
and 0.125s
off),
indicating
that the
RS485
expansion
card, AI/DI
expansion
card, or
independent
deployment
AI/DI unit
fails to
communicate
with the host.
The ALM
indicator is
on, indicating
that there is a
critical or
major alarm.
7 Device Maintenance
Exception
Handling
Check that
the board is in
good contact
with the
ECC500 and
runs properly.
Check that
the board is in
good contact
with the
ECC500 and
runs properly.
Check and
clear the
alarm.
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