
FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
5 Alarms and Faults
Issue 02 (2017-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
57
5
Alarms and Faults
5.1 VESDA Alarm
Fault
Category
Alar
m
Sever
ity
Symptom
Possible
Cause
Operation
VESDA
alarm
Critica
l
The current air flow
reading is different
from historical
readings.
There is too
much dust in the
air, and the
sampling pipe is
blocked.
Clean the sampling pipe.
Something is
smoldering in
the container.
Emergency Operations
for an Early Fire Alarm
5.2 Fire Alarms (Standard)
Fault
Category
Alar
m
Sever
ity
Operation
Single fire Critica
l
For details about how to handle a single fire alarm, see
Emergency Operations for a Single Fire Alarm (Standard)
Double
fire
Critica
l
For details about how to handle a double fire alarm, see
Emergency Operations for a Double Fire Alarm (Standard)
Fault
Major
See the documents delivered with the fire alarm control panel.