Huawei NetCol5000-A User Manual page 186

NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm)
Alar Alarm
Alarm
m Severit
ID y
a108 Cold-ai Major
sle 1
temp
invalid
Cold-ai
sle 2
temp
invalid
Cold-ai
sle 3
temp
invalid
a109 Cold-ai Major
sle 1
humid
invalid
Cold-ai
sle 2
humid
invalid
Cold-ai
sle 3
humid
invalid
Cold
a110 Major
aisle 1
T/H brd
comm
failed
Cold
aisle 2
T/H brd
comm
failed
Cold
aisle 3
T/H brd
comm
failed
Issue 13 (2019-01-15)
Default
Impact
Value
N/A The alarm
is
generated
.
N/A The alarm
is
generated
.
The alarm
N/A
is
generated
.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Cause
1. Dirt or water exists
around the T/H sensor,
which leads to a
detection fault.
2. The T/H sensor is
faulty.
1. Dirt or water exists
around the T/H sensor,
which leads to a
detection fault.
2. The T/H sensor is
faulty.
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.
Solution
1. Remove dirt or water
from the T/H sensor.
2. Maintain or replace the
T/H sensor.
1. Remove dirt or water
from the T/H sensor.
2. Maintain or replace the
T/H sensor.
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.
177