Huawei NetCol5000-A050 - Page 247

Alarm
ID
Alarm Name Alar
m
Seve
rity
Possible Cause Solution
A291-0
2
Compressor
overcurrent
alarm
MAJ
OR
1. The compressor
lacks oil.
2. The condenser
ns are dirty or
blocked.
3. The outdoor fan
is abnormal.
4. The refrigerant
is
overlled.
5. 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.
A292-0
4
Outdoor fan
drive alarm
MAJ
OR
1. The output
cable to the
outdoor fan drive
is short-circuited
or grounded.
2. The power grid
voltage exceeds
the upper
threshold.
3. The outdoor fan
is faulty.
4. The outdoor fan
drive is faulty.
1. Replace the output
cable to the outdoor
fan drive.
2. Power o the system
and check that the
power grid input
voltage meets the
specications.
3. Replace the outdoor
fan.
4. Replace the outdoor
fan drive.
A292-2
0
Outdoor fan
drive alarm
CRITI
CAL
EEPROM read/
write fails.
1. Power o the system
and power it on 10
seconds later. If the
alarm persists, replace
the outdoor fan drive.
A292-8
0
Outdoor fan
drive alarm
MAJ
OR
The outdoor fan
drive is faulty.
1. Replace the outdoor
fan drive.
A292-0
8
Outdoor fan
drive alarm
MAJ
OR
1. The heat
dissipation fan is
faulty.
2. The ambient
temperature
exceeds the upper
threshold.
1. Replace the heat
dissipation fan.
2. Power o the system
and power it on after
the ambient
temperature drops to a
proper level.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 9 Alarm Reference
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 237