Huawei NetCol5000-A050 - Page 231

Alarm
ID
Alarm Name Alar
m
Seve
rity
Possible Cause Solution
A280-0
2
Backup power
frequency
abnormal
MAJ
OR
1. The power
supply frequency
exceeds the upper
threshold.
2. The SPD and
voltage detection
board is faulty.
1. Check the power
supply frequency, and
ensure that it is within
the working range.
2. Replace the SPD and
voltage detection
board.
A280-0
1
Backup power
frequency
abnormal
MAJ
OR
1. The power
supply frequency
is below the lower
threshold.
2. The SPD and
voltage detection
board is faulty.
1. Check the power
supply frequency, and
ensure that it is within
the working range.
2. Replace the SPD and
voltage detection
board.
A281-2
0
Power voltage
abnormal
MAJ
OR
1. The power
supply voltage
exceeds the upper
threshold.
2. The SPD and
voltage detection
board is faulty.
1. Check that the power
supply voltage is within
the operating range.
2. Replace the SPD and
voltage detection
board.
A281-4
0
Power voltage
abnormal
MAJ
OR
1. The power
supply voltage
exceeds the upper
threshold.
2. The SPD and
voltage detection
board is faulty.
1. Check that the power
supply voltage is within
the operating range.
2. Replace the SPD and
voltage detection
board.
A281-8
0
Power voltage
abnormal
MAJ
OR
1. The power
supply voltage
exceeds the upper
threshold.
2. The SPD and
voltage detection
board is faulty.
1. Check that the power
supply voltage is within
the operating range.
2. Replace the SPD and
voltage detection
board.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 9 Alarm Reference
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 221