Huawei NetCol8000-E220 User Manual page 147

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
Alarm Alarm
ID Severity
02 L
A279- CRITICA
04 L
A279- CRITICA
04 L
A279- CRITICA
08 L
A27C- MAJOR
01
A27C-
MAJOR
01
A27C- MAJOR
01
A27C-
MAJOR
01
A27C- MAJOR
01
Issue 02 (2019-10-10)
Alarm
Probable Cause
Name
damper fault
Motorized 1. The feedback cable to the air
damper damper is loose or damaged.
feedback fault
2. The air damper is faulty.
alarm
Exhaust air 1. The feedback cable to the air
damper fault damper is loose or damaged.
2. The air damper is faulty.
Exhaust air 1. The control cable to the air
damper fault damper is loose or damaged.
2. The air damper is faulty.
Return air 2 1. The cables to the temperature
temp/humid and humidity sensor are loose or
sensor fault damaged.
2. The temperature and humidity
sensor is faulty.
Cold aisle 1 1. The cables to the temperature
temp/humid and humidity sensor are loose or
sensor fault damaged.
2. The temperature and humidity
sensor is faulty.
Cold aisle 2 1. The cables to the temperature
temp/humid and humidity sensor are loose or
sensor fault damaged.
2. The temperature and humidity
sensor is faulty.
Cold aisle 3 1. The cables to the temperature
temp/humid and humidity sensor are loose or
sensor fault damaged.
2. The temperature and humidity
sensor is faulty.
Cold aisle 4 1. The cables to the temperature
temp/humid and humidity sensor are loose or
sensor fault damaged.
2. The temperature and humidity
sensor is faulty.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Solution
damper.
1. Check the feedback cable
connection to the air damper.
2. Maintain or replace the air
damper.
1. Check the feedback cable
connection to the air damper.
2. Maintain or replace the air
damper.
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.
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