Huawei FusionModule1000A40 Maintenance Manual page 50

FusionModule1000A40 Prefabricated All-in-One
Data Center
Maintenance Guide
Alarm Alarm
Indicator Type
Name
Test Mode Warnin
On g
General Isolatio
Disablemen n alarm
t
Power Fault Fault
alarm
Sounder Fault/
Fault/ Isolatio
Disablemen n alarm
t
General Fault
Fault alarm
System Fault
Fault alarm
Alarm/Fault Action
Warning alarm
Silenced
Fire In Zone Alert
1 alarm
Issue 04 (2021-02-10)
Alarm System Action
Severity
Minor N/A
Minor N/A
Minor NO and C on the
FAULT RELAY port
become closed,
while NC and C
become open.
Minor
Minor
Minor
Minor The alarm bell or
fault alarm is
silenced.
Major 1. S1 is triggered
to output 24 V
DC voltage
when only the
smoke detector
or heat detector
raises an alarm.
NO and C on
the 1st port
become closed,
while NC and C
become open.
NO and C on
Copyright © Huawei Technologies Co., Ltd.
4 Common Faults and Troubleshooting Measures
Possible
Causes
The
extinguishant
control panel is
in test mode.
The isolation
mode has been
enabled.
The power
supply is faulty.
There is an AC
power fault or
battery fault.
The alarm bell
loop reports a
fault. The
circuit may be
faulty.
A device is
faulty.
The system is
faulty.
When the
alarm bell or
fault alarm
buzzes, the
Warning
Silenced
button is
pressed to
silence.
The smoke or
heat detector
in zone 1 raises
an alarm.
Solution
Check relevant cable
connections, and
check whether the
power input and
batteries are normal.
Check relevant cable
connections.
Check relevant
external cable
connections and
devices.
If you want to
restore, press the
RESET button.
Locate and clear the
smoke or heat
detector alarm
cause, and then
press the RESET
button.
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