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Device
Method
Check Standard
Troubleshooting
Fire alarm
horn/strobe
When both the heat
detector and smoke
detector generate an
alarm, the fire alarm
horn/strobe generates a
harsh sound.
The fire alarm horn/strobe
generates glaring flashes and
shrill alarms.
1. Check cables
connected to the
fire alarm horn/
strobe. If a short
circuit or open
circuit is
identified,
reconnect the
cables.
2. If the fire alarm
horn/strobe does
not react, replace
it.
ASD
Check the ASD sampling
pipes.
The supports and connectors of
the sampling pipes are securely
connected.
Replace damaged
sampling pipes, and
apply glue where
pipes are not well
sealed.
Remove or block a
sampling pipe.
An alarm is generated.
See documents
delivered with the
ASD.
Release smoke to the
furthest end of an ASD
sampling pipe.
The ASD generates an alarm in
120s.
See documents
delivered with the
ASD.
The ASD sends an alarm signal
to the host.
See documents
delivered with the
ASD.
Check the ASD operation
panel.
All indicators are normal.
See documents
delivered with the
ASD.
Check whether the
backup power is working
properly, and whether
the VESDA restarts
normally after the mains
power is disconnected.
The backup power is working
properly, and the VESDA
restarts normally after the
mains power is disconnected.
See documents
delivered with the
ASD.
ASD power
supply
Check the power
indicator.
The power indicator turns on.
1. Check the power
cables.
2. Replace the
battery for the
ASD power box.
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario)
3 Routine Maintenance
Issue 01 (2021-04-20)
Copyright © Huawei Technologies Co., Ltd.
46