Huawei NetCol8000-C070 User Manual page 142

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
Alar
m ID
Issue 02 (2020-08-30)
Alarm Alarm Possible Cause
Name Severi
ty
Return Critica 1. The cables to the
air 4 l temperature and
temp/ humidity sensor are loose
humid or damaged.
sensor
2. The DIP switch of the
comm
temperature and
failed
humidity sensor is set
incorrectly.
3. The temperature and
humidity sensor is faulty.
4. The communications
port of the main control
board is faulty.
Fresh air Major 1. The cables to the
1 temp/ temperature and
humid humidity sensor are loose
sensor or damaged.
comm
2. The DIP switch of the
failed
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.
Return Major 1. The cables to the
air temperature and
damper 1 humidity sensor are loose
temp/ or damaged.
humid
2. The DIP switch of the
sensor
temperature and
comm
humidity sensor is set
failed
incorrectly.
3. The temperature and
humidity sensor is faulty.
4. The communications
port of the main control
board is faulty.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Solution
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.
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.
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.
134