Huawei FusionCol8000-E240 User Manual page 189

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Alarm ID Alarm Name
A28F-04 Compressor 1 drive
power supply
abnormal
Compressor 2 drive
power supply
abnormal
Compressor 3 drive
power supply
abnormal
A28F-08 Compressor 1 drive
power supply
abnormal
Compressor 2 drive
power supply
abnormal
Compressor 3 drive
power supply
abnormal
A28F-10 Compressor 1 drive
power supply
abnormal
Compressor 2 drive
power supply
abnormal
Compressor 3 drive
power supply
abnormal
A291-01 Compressor 1
overcurrent alarm
A291-02
Compressor 2
overcurrent alarm
Compressor 3
overcurrent alarm
Issue 02 (2021-04-15)
Alarm
Severity
Major
Major
Major
Major
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
● The cables to phase
U of the
compressor drive
are loose or
damaged.
● The compressor
drive is faulty.
● The cables to phase
V of the
compressor drive
are loose or
damaged.
● The compressor
drive is faulty.
● The cables to phase
W of the
compressor drive
are loose or
damaged.
● The compressor
drive is faulty.
● The compressor
lacks oil.
● The condenser fins
are dirty or
blocked.
● The outdoor fan is
abnormal.
● The refrigerant is
overfilled.
● The compressor is
faulty.
8 System Maintenance
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 power
supply voltage.
2. Maintain or replace
the compressor
drive.
1. Fill oil to the
compressor.
2. Clean the
condenser fins.
3. Maintain or replace
the outdoor fan.
4. Decrease certain
amount of
refrigerant.
5. Maintain or replace
the compressor.
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