Huawei NetCol8000-E220 User Manual page 150

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
Alarm Alarm
ID Severity
A27C- MAJOR
02
A27C- MAJOR
02
A27C- MAJOR
02
A27C- MAJOR
02
A27F- CRITICA
01 L
A27F- CRITICA
02 L
A280- MAJOR
01
A280- MAJOR
01
Issue 02 (2019-10-10)
Alarm
Probable Cause
Name
sensor is faulty.
Hot aisle 3 1. The cables to the temperature
temp/humid and humidity sensor are loose or
sensor comm damaged.
failed
2. The temperature and humidity
sensor is faulty.
Hot aisle 4 1. The cables to the temperature
temp/humid and humidity sensor are loose or
sensor comm damaged.
failed
2. The temperature and humidity
sensor is faulty.
Hot aisle 5 1. The cables to the temperature
temp/humid and humidity sensor are loose or
sensor comm damaged.
failed
2. The temperature and humidity
sensor is faulty.
Outdoor 1. The cables to the temperature
intake air 1 and humidity sensor are loose or
T/H sensor damaged.
fault
2. The temperature and humidity
sensor is faulty.
Water The water overflow sensor detects
overflow water or the sensor is faulty.
alarm
Water The water overflow sensor detects
overflow water or the sensor is faulty.
alarm
Power 1. The power supply frequency is
frequency below the lower threshold.
abnormal
2. The SPD and voltage detection
board is faulty.
Backup 1. The power supply frequency is
power below the lower threshold.
frequency
2. The SPD and voltage detection
abnormal
board is faulty.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Solution
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. While configuring the water
overflow sensor, check and clear
the water source, and maintain
or replace the sensor.
1. While configuring the water
overflow sensor, check and clear
the water source, and maintain
or replace the sensor.
1. Check the power supply
frequency, and ensure that it is
within the working range.
2. Replace the SPD and voltage
detection board.
1. Check the power supply
frequency, and ensure that it is
within the working range.
2. Replace the SPD and voltage
detection board.
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