Huawei NetCol5000-A050 User Manual page 248

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
Alarm
ID
A292-4
0
A292-1
0
A292-0
1
A292-0
2
A293-0
2
A293-0
1
Issue 08 (2021-09-17)
Alarm Name Alar
m
Seve
rity
Outdoor fan MAJ
drive alarm OR
Outdoor fan MAJ
drive alarm OR
Outdoor fan MAJ
drive alarm OR
Outdoor fan CRITI
drive alarm CAL
Outdoor fan MAJ
power supply OR
abnormal
Outdoor fan MAJ
power supply OR
abnormal
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
The sampling
circuit of the
outdoor fan drive
is faulty.
1. The outdoor fan
three-phase loads
are imbalanced.
2. The outdoor fan
drive is faulty.
1. A major alarm
has been
generated for the
outdoor fan drive.
2. The outdoor fan
drive is faulty.
3. The outdoor fan
is faulty.
1. The cables to
the outdoor fan
are loose or
damaged.
2. The outdoor fan
is faulty.
3. The outdoor fan
drive is faulty.
The power grid
voltage exceeds
the upper
threshold.
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.
9 Alarm Reference
Solution
1. Replace the outdoor
fan drive.
1. Check whether the
outdoor fan is faulty.
2. Replace the outdoor
fan drive.
1. Clear the major
alarm for the fan drive.
2. Replace the outdoor
fan drive.
3. Replace the outdoor
fan.
1. Check the cables to
the outdoor fan.
2. Maintain or replace
the outdoor fan.
3. Maintain or replace
the outdoor fan drive.
1. Power off the system
and check that the
power grid input
voltage meets the
specifications.
1. Secure the power
grid input cable.
2. Power off the system
and check that the
power grid input
voltage meets the
specifications.
3. Replace the outdoor
fan drive.
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