Huawei NetCol8000-E220 User Manual page 143

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
Alarm Alarm
ID Severity
01 G
A222-
MAJOR
01
A233- WARNIN
01 G
A242- MAJOR
01
A26B- MAJOR
01
A26B-
MAJOR
01
A26B- MAJOR
01
A26B- MAJOR
01
A26B- MAJOR
01
A26B- MAJOR
01
A26B-
MAJOR
01
Issue 02 (2019-10-10)
Alarm
Probable Cause
Name
startup is in
progress
Main control
1. The system is powered off.
module
2. The main control module is in
power supply
poor contact.
abnormal
3. The auxiliary power supply is
faulty.
4. The auxiliary power supply is in
poor contact.
5. The main control module is
faulty.
Air-side low 1. Contained aisles are
pressure poorly-sealed.
difference
2. The differential pressure sensor
alarm
is faulty.
Manual The air conditioner is shut down via
shutdown the LCD or NetEco.
alarm
Indoor fan 1 1. The cable to the fan is not
power supply connected properly.
abnormal
2. The fan is faulty.
Indoor fan 2 1. The cable to the fan is not
power supply connected properly.
abnormal
2. The fan is faulty.
Indoor fan 3 1. The cable to the fan is not
power supply connected properly.
abnormal
2. The fan is faulty.
Indoor fan 4 1. The cable to the fan is not
power supply connected properly.
abnormal
2. The fan is faulty.
Indoor fan 5 1. The cable to the fan is not
power supply connected properly.
abnormal
2. The fan is faulty.
Indoor fan 6 1. The cable to the fan is not
power supply connected properly.
abnormal
2. The fan is faulty.
Exhaust fan 1 1. The cable to the fan is not
power supply connected properly.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Solution
complete or clear the Wizard
startup in progress alarm
manually to exit wizard startup.
1. Power on the system.
2. Check the interconnection
module in the main control
module.
3. Replace the auxiliary power
supply.
4. Check the interconnection
module of the auxiliary power
supply.
5. Replace the main control
module.
1. Check that the cold and hot
aisles are well-sealed.
2. Maintain or replace the
differential pressure sensor.
1. Restart the air conditioner via
the LCD or NetEco.
1. Check the cable connection to
the fan.
2. Maintain or replace the fan.
1. Check the cable connection to
the fan.
2. Maintain or replace the fan.
1. Check the cable connection to
the fan.
2. Maintain or replace the fan.
1. Check the cable connection to
the fan.
2. Maintain or replace the fan.
1. Check the cable connection to
the fan.
2. Maintain or replace the fan.
1. Check the cable connection to
the fan.
2. Maintain or replace the fan.
1. Check the cable connection to
the fan.
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