NetCol5000-C(065, 080) In-row Chilled Water Smart
Cooling Product
User Manual
6 System Operation and Maintenance
Issue 07 (2020-03-16)
Copyright © Huawei Technologies Co., Ltd.
120
Alarm
ID
Alarm Name
Alarm
Severity
Impact
Possible Cause
Solution
board
communication
failed
loose or damaged.
2. The DIP switch of
the temperature and
humidity sensor is set
incorrectly.
3. The temperature and
humidity sensor is
faulty.
4. The communications
port of the main control
board is faulty.
humidity sensor.
2. Set the DIP switch
of the temperature and
humidity sensor
correctly.
3. Maintain or replace
the temperature and
humidity sensor.
4. Maintain or replace
the main control
board.
a111
Hot aisle
temperature
invalid
Major
Generates an
alarm
1. The cables to the
temperature and
humidity sensor are
loose or damaged.
2. The temperature and
humidity sensor is
faulty.
1. Check the cables to
the temperature and
humidity sensor.
2. Maintain or replace
the temperature and
humidity sensor.
a112
Hot aisle
humidity
invalid
Major
Generates an
alarm
1. The cables to the
temperature and
humidity sensor are
loose or damaged.
2. The temperature and
humidity sensor is
faulty.
1. Check the cables to
the temperature and
humidity sensor.
2. Maintain or replace
the temperature and
humidity sensor.
a113
Hot aisle
temperature
and humidity
board
communication
failed
Major
Generates an
alarm
1. The cables to the
temperature and
humidity sensor are
loose or damaged.
2. The DIP switch of
the temperature and
humidity sensor is set
incorrectly.
3. The temperature and
humidity sensor is
faulty.
4. The communications
port of the main control
board is faulty.
1. Check the cables to
the temperature and
humidity sensor.
2. Set the DIP switch
of the temperature and
humidity sensor
correctly.
3. Maintain or replace
the temperature and
humidity sensor.
4. Maintain or replace
the main control
board.
a117
Group smart
cooling
product
quantity
mismatch
alarm
Major
Generates an
alarm
1. Teamwork settings
are incorrect for slave
units.
2. The number of smart
cooling product units is
incorrectly set on the
master unit.
1. Modify teamwork
settings for slave units
to enable slave units
to join the teamwork
group.
2. Set the total number
of units on the master