Huawei NetCol5000-A050 User Manual page 247

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