iManager NetEco 6000
Device Installation and Commissioning Guide
7 Device Maintenance
Issue 03 (2019-03-10)
Copyright © Huawei Technologies Co., Ltd.
252
Item
Mainte
nance
Frequen
cy
Method
Expected
Result
Symptom
and
Possible
Cause
Exception
Handling
After the
RS485
expansion
card or AI/DI
expansion
card is
powered on
the first time,
the ALM
indicator is
on. One
minute later,
the RUN
indicator
blinks fast,
indicating
that the board
is in poor
contact.
Reinstall the
board.
7.1.1.2 Routine Maintenance for VCN
Table 7-2
Routine Maintenance for VCN
Item
Maintenan
ce Interval
Method
Expected
Result
Exception
Handling
Check the VCN
indicator.
Monthly
Observe the
VCN indicator.
The VCN
indicator is
steady green.
See the delivered
documents.
7.1.1.3 Routine Maintenance for the Smoke Detector
Table 7-3
Routine Maintenance for the Smoke Detector
Item
Mainte
nance
Interva
l
Method
Expected
Result
Exception Handling