Component
Alarm Name
Alarm
Severit
y
Possible Cause
Measures
Cold-aisle T/H brd
comm failed
Major
1. The cables to the
T/H sensor are loose
or damaged.
2. The DIP switch of
the T/H sensor is set
incorrectly.
3. The T/H sensor is
faulty.
4. The communication
port of the control
board is faulty.
1. Check the cables to
the T/H sensor.
2. Set the DIP switch of
the T/H sensor
correctly.
3. Maintain or replace
the T/H sensor.
4. Maintain or replace
the control board.
Cold-aisle temp
invalid
Major
1. Dirt or water exists
around the T/H
sensor, which leads
to a detection fault.
2. The T/H sensor is
faulty.
1. Remove dirt or water
from the T/H sensor.
2. Maintain or replace
the T/H sensor.
Cold-aisle humid
invalid
Major
1. Dirt or water exists
around the T/H
sensor, which leads
to a detection fault.
2. The T/H sensor is
faulty.
1. Remove dirt or water
from the T/H sensor.
2. Maintain or replace
the T/H sensor.
Ctrl point sensor
disabled
Major
All the T/H sensors of
the control point are
disabled.
Enable the T/H sensors
of the control point or
change the control
point.
Discharge temp
sensor fault
Major
1. Cables to the
exhaust air
temperature sensor
are not properly
connected.
2. The exhaust air
temperature sensor
is faulty.
1. Check cables to the
exhaust air
temperature sensor.
2. Maintain or replace
the exhaust air
temperature sensor.
FusionModule800 Smart Small Data Center
User Manual
6 O&M
Issue 01 (2021-02-05)
Copyright © Huawei Technologies Co., Ltd.
383