NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
Alar
m ID
A27C
Issue 02 (2020-08-30)
Alarm
Alarm
Possible Cause
Name
Severi
ty
Return
Critica
1. The control cable to
air
l
the air damper is loose or
damper
damaged.
fault
2. The air damper is
faulty.
Return
Major
1. The cables to the
air 2
temperature and
temp/
humidity sensor are loose
humid
or damaged.
sensor
2. The temperature and
fault
humidity sensor is faulty.
Return
Major
1. The cables to the
air 3
temperature and
temp/
humidity sensor are loose
humid
or damaged.
sensor
2. The temperature and
fault
humidity sensor is faulty.
Cold aisle
Major
1. The cables to the
1 temp/
temperature and
humid
humidity sensor are loose
sensor
or damaged.
fault
2. The temperature and
humidity sensor is faulty.
Cold aisle
Major
1. The cables to the
2 temp/
temperature and
humid
humidity sensor are loose
sensor
or damaged.
fault
2. The temperature and
humidity sensor is faulty.
Cold aisle
Major
1. The cables to the
3 temp/
temperature and
humid
humidity sensor are loose
sensor
or damaged.
fault
2. The temperature and
humidity sensor is faulty.
Hot aisle
Major
1. The cables to the
1 temp/
temperature and
humid
humidity sensor are loose
sensor
or damaged.
fault
2. The temperature and
humidity sensor is faulty.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Solution
1. Check the control
cable connection to
the air damper.
2. Maintain or replace
the air damper.
1. Check the cables to
the temperature and
humidity sensor.
2. Maintain or replace
the temperature and
humidity sensor.
1. Check the cables to
the temperature and
humidity sensor.
2. Maintain or replace
the temperature and
humidity sensor.
1. Check the cables to
the temperature and
humidity sensor.
2. Maintain or replace
the temperature and
humidity sensor.
1. Check the cables to
the temperature and
humidity sensor.
2. Maintain or replace
the temperature and
humidity sensor.
1. Check the cables to
the temperature and
humidity sensor.
2. Maintain or replace
the temperature and
humidity sensor.
1. Check the cables to
the temperature and
humidity sensor.
2. Maintain or replace
the temperature and
humidity sensor.
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