Huawei NetCol5000-A050 User Manual page 246

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
Alarm
ID
A28F-0
4
A28F-0
8
A28F-1
0
A291-0
1
Issue 08 (2021-09-17)
Alarm Name Alar
m
Seve
rity
Compressor MAJ
drive power OR
supply
abnormal
Compressor MAJ
drive power OR
supply
abnormal
Compressor MAJ
drive power OR
supply
abnormal
Compressor MAJ
overcurrent OR
alarm
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
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 W of the
compressor drive
are loose or
damaged.
2. The compressor
drive is faulty.
1. The compressor
lacks oil.
2. The condenser
fins are dirty or
blocked.
3. The outdoor fan
is abnormal.
4. The refrigerant
is overfilled.
5. The compressor
is faulty.
9 Alarm Reference
Solution
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. 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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