Table 7-4 Routine Maintenance for VCN
Item
Maintena
nce
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.
7.1.1.4 Routine Maintenance for the Smoke Detector
Table 7-5 Routine Maintenance for the Smoke Detector
Item
Maintena
nce
Interval
Method
Expected
Result
Exception Handling
Smoke
detector
indicator
Monthly
Observe and
check whether
the indicator
on the smoke
detector is
normal.
The indicator
blinks once
every 6
seconds. (The
interval varies
with sensors.
See the
product
instructions.)
If the indicator
blinks twice every 6
seconds or does not
blink, the smoke
detector is faulty or
the cables are not
properly connected.
Check the cables or
replace the smoke
detector.
Smoke
detector
availabilit
y
Monthly
Use a
dedicated test
instrument or
a smoke
generator to
test the
smoke
detector. Blow
smoke to the
smoke
detector probe
and observe
the indicator
status.
● If the
smoke
density is
below the
alarm
threshold,
the alarm
indicator
blinks once
every 6
seconds.
● If the
smoke
density
exceeds the
alarm
threshold,
the alarm
indicator is
steady on.
● If the smoke
density is below
the alarm
threshold but the
alarm indicator
blinks twice every
6 seconds, the
smoke detector is
faulty. Replace
the smoke
detector.
● If the smoke
density exceeds
the alarm
threshold but the
alarm indicator is
not steady on,
replace the
smoke detector.
iMaster NetEco
Device Installation and Commissioning Guide (Data
Center)
7 Device Maintenance
Issue 02 (2021-05-12)
Copyright © Huawei Technologies Co., Ltd.
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