Huawei NetCol8000-A045D - Page 261

Alarm ID Alarm Name Alarm
Severity
Possible Cause Solution
A28F-08 Compressor 1 drive
power supply
abnormal
Compressor 2 drive
power supply
abnormal
Major ● The cables to phase
V of the
compressor drive
are loose or
damaged.
● The compressor
drive is faulty.
1. Check the power
supply voltage.
2. Maintain or replace
the compressor
drive.
A28F-10 Compressor 1 drive
power supply
abnormal
Compressor 2 drive
power supply
abnormal
Major ● The cables to phase
W of the
compressor drive
are loose or
damaged.
● The compressor
drive is faulty.
1. Check the power
supply voltage.
2. Maintain or replace
the compressor
drive.
A291-01
A291-02
Compressor 1
overcurrent alarm
Compressor 2
overcurrent alarm
Major ● The compressor
lacks oil.
● The condenser ns
are dirty or
blocked.
● The outdoor fan is
abnormal.
● The refrigerant is
overlled.
● The compressor is
faulty.
1. Fill oil to the
compressor.
2. Clean the
condenser ns.
3. Maintain or replace
the outdoor fan.
4. Decrease certain
amount of
refrigerant.
5. Maintain or replace
the compressor.
A292-01 Outdoor fan 1 drive
alarm
Outdoor fan 2 drive
alarm
Major ● A major alarm has
been generated for
the outdoor fan
drive.
● The outdoor fan
drive is faulty.
● The outdoor fan is
faulty.
1. Clear the major
alarm for the fan
drive.
2. Replace the
outdoor fan drive.
3. Replace the
outdoor fan.
A292-02 Outdoor fan 1 drive
alarm
Outdoor fan 2 drive
alarm
Critical ● The cables to the
outdoor fan are
loose or damaged.
● The outdoor fan is
faulty.
● The outdoor fan
drive is faulty.
1. Check the cables to
the outdoor fan.
2. Maintain or replace
the outdoor fan.
3. Maintain or replace
the outdoor fan
drive.
NetCol8000-A(045, 055, 060, 090, 120) In-room Air
Cooled Smart Cooling Product
User Manual 10 Alarm Reference
Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd. 251