Huawei NetCol8000-E220 User Manual page 207

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
Alar
m ID
A28F
-02
A28F
-02
A28F
-04
A28F
-04
A28F
-08
A28F
-08
Issue 06 (2020-08-19)
Alarm Alarm Name
Severit
y
MAJOR Compressor 1
drive power
supply
abnormal
MAJOR Compressor 2
drive power
supply
abnormal
MAJOR Compressor 1
drive power
supply
abnormal
MAJOR Compressor 2
drive power
supply
abnormal
MAJOR Compressor 1
drive power
supply
abnormal
MAJOR Compressor 2
drive power
supply
abnormal
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Probable Cause
1. The power supply
voltage is high.
2. The compressor
drive is faulty.
1. The power supply
voltage is high.
2. The compressor
drive is faulty.
1. The cables to
phase U of the
compressor drive
are loose or
damaged.
2. The compressor
drive is faulty.
1. The cables to
phase U of the
compressor drive
are loose or
damaged.
2. The compressor
drive is faulty.
1. The cables to
phase V of the
compressor drive
are loose or
damaged.
2. The compressor
drive is faulty.
1. The cables to
phase V of the
compressor drive
are loose or
damaged.
2. The compressor
drive is faulty.
Solution
1. Check the power
supply voltage.
2. Maintain or replace
the compressor drive.
1. Check the power
supply voltage.
2. Maintain or replace
the compressor drive.
1. Check the cables to
the compressor drive.
2. Maintain or replace
the compressor drive.
1. Check the cables to
the compressor drive.
2. Maintain or replace
the compressor drive.
1. Check the cables to
the compressor drive.
2. Maintain or replace
the compressor drive.
1. Check the cables to
the compressor drive.
2. Maintain or replace
the compressor drive.
198