Huawei NetCol5000-A - Page 160

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.
152
Alarm
ID
Alarm
Alarm
Severity
Impact
Possible Cause
Solution
3. The aisle T/H sensor of
an air conditioner is
faulty.
4. The cables to the aisle
T/H sensor of an air
conditioner are loose or
damaged.
5. The DIP switch of the
T/H sensor is set
incorrectly.
6. The communications port
of the control board is
faulty.
7. The ETH converter is
faulty.
8. The smart socket is
faulty.
unit, and monitoring host
(ECC).
3. Maintain or replace the
T/H sensor of the air
conditioner.
4. Maintain or replace the
cables between the T/H
sensor and the control
board.
5. Set the DIP switch
correctly for the T/H
sensor.
6. Maintain or replace the
control board.
7. Maintain or replace the
ETH converter.
8. Maintain or replace the
smart socket.
a177
Humidity
invalid
L1/L2
interrupt
Major
The alarm
is
generated.
1. All cabinet T/H sensor is
faulty.
2. All cables to the cabinet
T/H sensor are loose or
damaged.
3. All aisle T/H sensor of an
air conditioner is faulty.
4. All cables to the aisle
T/H sensor of an air
conditioner are loose or
damaged.
5. All DIP switch of the T/H
sensor is set incorrectly.
6. All communications port
of the control board is
faulty.
7. The ETH converter is
faulty.
8. The smart socket is
faulty.
1. Maintain or replace the
cabinet T/H sensor.
2. Maintain or replace the
cables to the temperature
sensor, rack environment
unit, and monitoring host
(ECC).
3. Maintain or replace the
T/H sensor of the air
conditioner.
4. Maintain or replace the
cables between the T/H
sensor and the control
board.
5. Set the DIP switch
correctly for the T/H
sensor.
6. Maintain or replace the
control board.
7. Maintain or replace the
ETH converter.
8. Maintain or replace the
smart socket.
a179
Humidifie
r pump
fault
Major
The alarm
is
generated,
and the
humidifier
shuts
down.
1. The water pump inlet is
blocked.
2. Cables to the humidifier
pump are loose or
damaged.
3. The humidifier pump is
faulty.
4. The humidifier pump
1. Clear the blockage from
the water pump inlet.
2. Verify that the humidifier
pump cable is properly
connected.
3. Replace the pump if it is
faulty.
4. Check whether the