NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
6 System Operation and Maintenance
Issue 03 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
166
Alarm
ID
Alarm Name
Alarm
Severity
Impact
Possible Causes
Solution
failure
generated, and
the compressor
is shut down.
is faulty.
2.
The cables to
the indoor fan
are loose or
damaged.
indoor fan.
2.
Check the cables to the
indoor fan.
NOTE
After the alarm is rectified, enter
the diagnostic mode, and
manually start the indoor fan to
clear the alarm.
a108
Cold-aisle 1/2/3
temp invalid
Major
The alarm is
generated.
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.
a109
Cold-aisle 1/2/3
humid invalid
Major
The alarm is
generated.
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.
a110
Cold-aisle 1/2/3
T/H brd comm
failed
Major
The alarm is
generated.
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.
a111
Hot-aisle 1/2/3
temp invalid
Major
The alarm is
generated.
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.
a112
Hot-aisle 1/2/3
humid invalid
Major
The alarm is
generated.
1.
Dirt or water
exists around
the T/H sensor,
which leads to a
detection fault.
1.
Remove dirt or water from
the T/H sensor.
2.
Maintain or replace the
T/H sensor.
Summary of Contents for NetCol5000-A021
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