Huawei NetCol5000-A050 User Manual page 209

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