Huawei FusionModule 1000B Maintenance Manual page 22

FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
Common Critical
Alarm and Fault
Management System
Communication
Failure
High Hydrogen
Density
Container Door
Cannot Open
Container Door
Open Alarm
Early fire alarm
Single Fire
(standard)
Double Fire
(standard)
FIRE RELAY (CE)
LOCAL FIRE (CE)
Issue 02 (2017-01-10)
Possible Cause
incorrectly.

The sensor is
faulty.
The circuit is faulty.
The hydrogen exhaust
fan is faulty.
 The controller is
faulty.
 The circuit is
faulty.
The container door is
open.
There is too much dust
in the air.
A smoke alarm or
temperature alarm is
generated.
A fire occurs in the
data center.
A smoke alarm or
temperature alarm is
generated.
A fire occurs in the
data center.
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Possible Impact Emergency
Operation
adversely affected. Overtemperature
Real-time 7.6 Emergency
monitoring cannot Operations for the
be performed. Management
System
Communication
Failure
A fire or explosion 7.7 Emergency
may occur. Operations for
High Hydrogen
Density
O&M personnel 7.8 Emergency
cannot go into or Operations for
out of the Container Door
container. Cannot Open
Safety of the 7.9 Emergency
equipment may be Operations for
affected. Container Door
Open
A fire occurs. 7.10 Emergency
Operations for an
Early Fire Alarm
A fire occurs. 7.11 Emergency
Operations for a
Single Fire Alarm
(Standard)
A fire occurs. 7.12 Emergency
Operations for a
Double Fire Alarm
(Standard)
A fire occurs. 7.13 FIRE RELAY
Emergency
Operations (CE)
A fire occurs. 7.14 Emergency
Operations for a
LOCAL FIRE
Alarm (CE)
3 O&M Description
14