Huawei NetCol8000-A045D User Manual page 261

NetCol8000-A(045, 055, 060, 090, 120) In-room Air
Cooled Smart Cooling Product
User Manual
Alarm ID Alarm Name
A28F-08 Compressor 1 drive
power supply
abnormal
Compressor 2 drive
power supply
abnormal
A28F-10 Compressor 1 drive
power supply
abnormal
Compressor 2 drive
power supply
abnormal
A291-01 Compressor 1
overcurrent alarm
A291-02
Compressor 2
overcurrent alarm
A292-01 Outdoor fan 1 drive
alarm
Outdoor fan 2 drive
alarm
A292-02 Outdoor fan 1 drive
alarm
Outdoor fan 2 drive
alarm
Issue 05 (2020-10-10)
Alarm
Severity
Major
Major
Major
Major
Critical
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
● 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.
● A major alarm has
been generated for
the outdoor fan
drive.
● The outdoor fan
drive is faulty.
● The outdoor fan is
faulty.
● The cables to the
outdoor fan are
loose or damaged.
● The outdoor fan is
faulty.
● The outdoor fan
drive is faulty.
10 Alarm Reference
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. 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.
1. Clear the major
alarm for the fan
drive.
2. Replace the
outdoor fan drive.
3. Replace the
outdoor fan.
1. Check the cables to
the outdoor fan.
2. Maintain or replace
the outdoor fan.
3. Maintain or replace
the outdoor fan
drive.
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