NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
Alar
m ID
A27C
-01
A27C
-01
A27C
-01
A27C
-01
A27C
-01
A27C
-01
Issue 06 (2020-08-19)
Alarm
Alarm Name
Severit
y
MAJOR
Cold aisle 2
temp/humid
sensor fault
MAJOR
Cold aisle 3
temp/humid
sensor fault
MAJOR
Cold aisle 4
temp/humid
sensor fault
MAJOR
Cold aisle 5
temp/humid
sensor fault
MAJOR
Hot aisle 1
temp/humid
sensor comm
failed
MAJOR
Hot aisle 2
temp/humid
sensor comm
failed
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Probable Cause
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
temperature and
humidity sensor are
loose or damaged.
2. The temperature
and humidity 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
temperature and
humidity sensor are
loose or damaged.
2. The temperature
and humidity 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
temperature and
humidity sensor are
loose or damaged.
2. The temperature
and humidity sensor
is faulty.
Solution
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.
173