Other Systems - Huawei FusionModule 1000A20 Maintenance Manual

FusionModule1000A20 Prefabricated All-in-One Data
Center
Maintenance Guide
Device Operation
Release smoke to the
furthest end of a
VESDA sampling pipe.
Check the VESDA
operation panel.
Check whether the
backup power is
working properly, and
whether the VESDA
restarts normally after
the mains powered is
disconnected.
VESDA power Check the power
supply indicator.

3.5.5 Other Systems

Table 3-15 Semi-annual maintenance checklist for other systems
Item Method
Lights Check whether the
lights can be switched
on normally.
Ventilation Check whether the filter
vent air filter is blocked.
Cable trays Check whether the
inside pre-fab. cable trays are securely
modules connected without
damage or misshapen.
Cables Check cable
connections.
Issue 01 (2019-07-15)
Check Standard
The VESDA generates an
alarm in 120s.
The VESDA panel
displays an alarm.
All indicators are normal.
The backup power is
working properly, and the
VESDA restarts normally
after the mains power is
disconnected.
The power indicator turns
on.
Check Standard
The lights turn on
normally.
The air filter is not
blocked.
Cable trays are
properly installed,
and fasteners are
secure.
Cable trays,
screws, and nuts
are free from rust
or corrosion.
Cables are
securely connected
without bare
terminals.
Copyright © Huawei Technologies Co., Ltd.
3 Routine Maintenance
Maintenance Guide
See documents delivered with the
VESDA.
See documents delivered with the
VESDA.
See documents delivered with the
VESDA.
See documents delivered with the
VESDA.
1. Check the power cables.
2. Replace the VESDA power
supply.
Troubleshooting
1. If a light cannot be switched on, check
whether the light is securely installed and
in good contact with the light base.
2. If a light is securely installed and in good
contact with the light base but fails to
turn on, replace the light.
If an air filter is slightly blocked, clean the
air filter and reinstall it. If more than 50% of
the meshes are blocked, replace the air filter.
Secure cable trays that have become loose.
Repaint corroded cable trays, or replace
damaged and seriously corroded parts. For
details, see the installation guide for the
corresponding solution.
Secure terminal connections, and replace
terminals that do not meet requirements. For
details, see the installation guide for the
corresponding solution.
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