Huawei NetCol5000-A050 - Replacing an Indoor Fan

Alarm
ID
Alarm Name Alar
m
Seve
rity
Possible Cause Solution
A293-0
4
Outdoor fan
power supply
abnormal
MAJ
OR
1. A power grid
input cable is
loose.
2. The power grid
voltage is below
the lower
threshold.
3. The outdoor fan
drive is faulty.
1. Secure the power
grid input cable.
2. Power o the system
and check that the
power grid input
voltage meets the
specications.
3. Replace the outdoor
fan drive.
A293-0
8
Outdoor fan
power supply
abnormal
MAJ
OR
The power grid
voltage exceeds
the upper
threshold.
1. Power o the system
and check that the
power grid input
voltage meets the
specications.
A293-1
0
Outdoor fan
power supply
abnormal
MAJ
OR
The power grid
frequency is
abnormal.
1. Power o the system
and verify that the
input power supply
frequency meets the
specications.
A294-0
2
Outdoor fan
drive
overcurrent
alarm
MAJ
OR
1. The outdoor fan
is faulty.
2. The outdoor fan
drive is faulty.
1. Replace the outdoor
fan.
2. Replace the outdoor
fan drive.
A294-0
4
Outdoor fan
drive
overcurrent
alarm
MAJ
OR
1. The outdoor fan
is faulty.
2. The outdoor fan
drive is faulty.
1. Replace the outdoor
fan.
2. Replace the outdoor
fan drive.
A294-0
8
Outdoor fan
drive
overcurrent
alarm
MAJ
OR
1. The outdoor fan
is faulty.
2. The outdoor fan
drive is faulty.
1. Replace the outdoor
fan.
2. Replace the outdoor
fan drive.
A295-1
0
Outdoor fan
fault
MAJ
OR
The output cable
to the outdoor fan
drive is grounded.
1. Replace the output
cable to the outdoor
fan drive.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 9 Alarm Reference
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 239