Huawei NetCol5000-A - Page 153

NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
5 Operation and Maintenance
Issue 01 (2017-07-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
145
Alarm
ID
Alarm
Alarm
Severity
Impact
Possible Cause
Solution
a102
Indoor fan
1, 2, 3, 4,
5, 6, 7, 8,
9 or 10
overspeed
Major
The alarm
is
generated.
1. The cables to the indoor
fan are loose or damaged.
2. The indoor fan is faulty.
1. Check the cables to the
indoor fan.
2. Maintain or replace the
indoor fan.
a105
Indoor fan
failure
Critical
The alarm
is
generated.
The indoor fan is faulty.
Maintain or replace the
indoor fan.
a108
Cold-aisle
1, 2, 3, 4,
5 temp
invalid
Major
The alarm
is
generated.
1. The cables to the T/H
sensor are loose or
damaged.
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, 4,
5 humid
invalid
Major
The alarm
is
generated.
1. The cables to the T/H
sensor are loose or
damaged.
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, 4,
5 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, 4,
5 temp
invalid
Major
The alarm
is
generated.
1. The cables to the T/H
sensor are loose or
damaged.
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, 4,
5 humid
invalid
Major
The alarm
is
generated.
1. The cables to the T/H
sensor are loose or
damaged.
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.
a113
Hot-aisle
1, 2, 3, 4,
5 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.
a116
iCooling
communic
Major
The alarm
is
1. The monitoring host
(ECC) is faulty.
1. Check that the
monitoring host (ECC)