Huawei FusionDC1000A - Page 56

Device Method Check Standard Maintenance Guide
Warning sign Open the cover of
the pneumatic
switch. Press the test
button on the
pneumatic switch to
short-circuit the
cables inside to
simulate an
extinguishant
release.
The warning sign indicator is
on.
Replace the warning
sign.
Heat
detector
Heat the heat
detector using a
heating device.
The temperature alarm
threshold is 50°C to 65°C.
1. If the temperature is below
the alarm threshold, the
alarm indicator blinks once
every 6s.
2. If the temperature is above
the alarm threshold, the
indicator turns on. The
extinguishant control panel
generates an alarm and
triggers the
re alarm bell.
Replace the heat
detector.
Smoke
detector
Release smoke onto
the smoke detector
using a smoke pistol.
The indicator is steady on and
the extinguishant control
panel raises a corresponding
alarm and triggers the re
alarm bell.
Replace the smoke
detector.
Extinguishant
abort button
1. After the manual
gas release button
is pressed on the
extinguishant
control panel, the
gas release
countdown starts.
Then, press the
extinguishant
abort button.
2. Reset the
extinguishant
abort button by
rotating it
counterclockwise.
1. After the extinguishant
abort button is pressed, the
gas release countdown
stops.
2. After the extinguishant
abort button is reset, the
gas release countdown
starts from zero again.
Replace the
extinguishant abort
button.
Horn strobe Press the manual gas
release button on the
extinguishant control
panel.
The horn strobe generates
shrill alarm sound and ashing
signals after the countdown
ends.
Replace the horn strobe.
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 3 Routine Maintenance
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 48