Huawei NetCol5000-A050 - Page 209

Alarm
ID
Alarm Name Alar
m
Seve
rity
Possible Cause Solution
A059-0
1
Compressor
suction
pressure
sensor fault
MAJ
OR
1. The cables to
the pressure
sensor are loose or
damaged.
2. The pressure
sensor is faulty.
1. Check the cables to
the pressure sensor.
2. Maintain or replace
the pressure sensor.
A063-0
1
Compressor
drive
communicatio
n failed alarm
CRITI
CAL
1. The cables to
the compressor
drive are loose or
damaged.
2. The compressor
drive is faulty.
1. Check the cables to
the compressor drive.
2. Maintain or replace
the compressor drive.
A069-0
1
Compressor
start failure
alarm
MAJ
OR
1. The compressor
lacks oil.
2. The compressor
is faulty.
3. The compressor
drive is faulty.
1. Fill oil to the
compressor.
2. Maintain or replace
the compressor.
3. Maintain or replace
the compressor drive.
A077-0
1
Indoor fan 1
fault
MAJ
OR
1. The power
supply to the fan
is abnormal.
2. The cable to the
fan is not
connected
properly.
3. The fan is
faulty.
1. Check the power
supply to the fan.
2. Check the cable
connection to the fan.
3. Maintain or replace
the fan.
A077-0
1
Indoor fan 2
fault
MAJ
OR
1. The power
supply to the fan
is abnormal.
2. The cable to the
fan is not
connected
properly.
3. The fan is
faulty.
1. Check the power
supply to the fan.
2. Check the cable
connection to the fan.
3. Maintain or replace
the fan.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 9 Alarm Reference
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 199