Huawei NetCol8000-C User Manual page 190

NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
Alar Alarm
m ID Name
a104 In-cabinet
water
overflow
a105 Indoor fan
failure
a108 Cold aisle
temperature
invalid
a109 Cold-aisle
humid
invalid
a110 Cold aisle
temp/humid
board comm
failed
a111 Hot aisle
temperature
invalid
a112 Cold aisle
humidity
invalid
Issue 06 (2020-01-13)
Alarm Impact
Severi
ty
Critical N/A
Critical An alarm is
triggered.
Major An alarm is
triggered.
Major An alarm is
triggered.
Major An alarm is
triggered.
Major An alarm is
triggered.
Major An alarm is
triggered.
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
1. There is water at the
detection position of the
water overflow sensor.
2. The cables to the water
overflow sensor are loose or
damaged.
3. The water overflow sensor
is faulty.
The indoor fan is faulty.
1. The cables to the
temperature sensor are
loose or damaged.
2. The temperature sensor is
faulty.
1. The cables to the
temperature and humidity
sensor are loose or
damaged.
2. The temperature and
humidity 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.
1. The cables to the
temperature sensor are
loose or damaged.
2. The temperature sensor is
faulty.
1. The cables to the
temperature and humidity
sensor are loose or
damaged.
2. The temperature and
6 System Operation and Maintenance
Solution
NOTE
After the fault is rectified,
click Clear on the alarm
page to manually clear the
alarm.
1. Check and clear the
water.
2. Check the cables to
the water overflow
sensor.
3. Maintain or replace
the water overflow
sensor.
Maintain or replace the
indoor fan.
1. Check the cables to
the temperature
sensor.
2. Maintain or replace
the temperature
sensor.
1. Check the cables to
the temperature
sensor.
2. Maintain or replace
the temperature and
humidity 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.
1. Check the cables to
the temperature
sensor.
2. Maintain or replace
the temperature
sensor.
1. Check the cables to
the temperature
sensor.
2. Maintain or replace
the temperature and
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