Huawei NetCol8000-A045D - Page 241

Alarm ID Alarm Name Alarm
Severity
Possible Cause Solution
A059-01 Compressor 1 suction
pressure sensor fault
Compressor 2 suction
pressure sensor fault
Major ● The cables to the
pressure sensor are
loose or damaged.
● The pressure sensor
is faulty.
1. Check the cables to
the pressure sensor.
2. Replace the
pressure sensor
A063-01 Compressor 1 drive
communication failed
alarm
Compressor 2 drive
communication failed
alarm
Major ● The cables to the
compressor drive
are loose or
damaged.
● The compressor
drive is faulty.
1. Check the cables to
the compressor
drive.
2. Maintain or replace
the compressor
drive.
A069-01 Compressor 1 start
failure alarm
Compressor 2 start
failure alarm
Major ● The compressor
lacks oil.
● The compressor is
faulty.
● The compressor
drive is faulty.
1. Fill oil to the
compressor.
2. Maintain or replace
the compressor.
3. Maintain or replace
the compressor
drive.
A077-02
A077-10
Indoor fan 1 fault
Indoor fan 2 fault
Major The fan is faulty. Maintain or replace
the fan.
A077-04
A077-08
Indoor fan 1 fault
Indoor fan 2 fault
Major The fan drive is faulty. If the drive is
integrated into the
fan, replace the fan.
If the drive is separate
from the fan, replace
the drive.
A089-01 Compressor 1 drive
speed limit alarm
Compressor 2 drive
speed limit alarm
Major ● The compressor
lacks oil.
● The refrigerant
leaks.
1. Fill oil to the
compressor.
2. Identify and repair
the leaking point,
and rell
refrigerant after
maintenance.
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. 231