Huawei NetCol5000-A050 User Manual page 235

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
Alarm
ID
A281-0
4
A281-0
8
A281-1
0
A282-0
2
Issue 08 (2021-09-17)
Alarm Name Alar
m
Seve
rity
Backup power MAJ
voltage OR
abnormal
Backup power MAJ
voltage OR
abnormal
Backup power MAJ
voltage OR
abnormal
Power phase MAJ
sequence OR
abnormal
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
1. The power
supply voltage is
below the lower
threshold.
2. The cables to
the SPD and
voltage detection
board are loose or
damaged.
3. The SPD and
voltage detection
board is faulty.
1. The power
supply voltage is
below the lower
threshold.
2. The cables to
the SPD and
voltage detection
board are loose or
damaged.
3. The SPD and
voltage detection
board is faulty.
1. The power
supply voltage is
below the lower
threshold.
2. The cables to
the SPD and
voltage detection
board are loose or
damaged.
3. The SPD and
voltage detection
board is faulty.
1. The phase
sequence of the
power supply is
incorrect.
2. The SPD and
voltage detection
board is faulty.
9 Alarm Reference
Solution
1. Check that the power
supply voltage is within
the operating range.
2. Check the cable
connection to the SPD
and voltage detection
board.
3. Replace the SPD and
voltage detection
board.
1. Check that the power
supply voltage is within
the operating range.
2. Check the cable
connection to the SPD
and voltage detection
board.
3. Replace the SPD and
voltage detection
board.
1. Check that the power
supply voltage is within
the operating range.
2. Check the cable
connection to the SPD
and voltage detection
board.
3. Replace the SPD and
voltage detection
board.
1. Rectify the phase
sequence of the power
supply.
2. Maintain or replace
the SPD and voltage
detection board.
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