Huawei NetCol5000-A050 User Manual page 219

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
Alarm
ID
A147-0
1
A162-0
1
A172-0
1
A174-0
1
Issue 08 (2021-09-17)
Alarm Name Alar
m
Seve
rity
Outdoor fan MAJ
drive output OR
phase
sequence
abnormal
Outdoor fan WAR
pressure NIN
sensor fault G
SPD and MAJ
voltage OR
detection
board comm
failed
SPD function MAJ
failure OR
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
1. The output
cable connector
for the outdoor
fan drive or the
input cable
connector for the
outdoor fan is
loose.
2. The output
cable to the
outdoor fan drive
is disconnected.
3. The outdoor fan
drive is faulty.
4. The outdoor fan
is faulty.
1. A cable of the
pressure sensor is
loose.
2. The pressure
sensor is faulty.
1. The
communications
cable is not
connected
properly.
2. The SPD and
voltage detection
board is faulty.
3. The
communications
port of the main
control board is
faulty.
The SPD and
voltage detection
board is faulty.
9 Alarm Reference
Solution
1. Secure the output
cable to the outdoor
fan drive.
2. Replace the output
cable to the outdoor
fan drive.
3. Replace the outdoor
fan drive.
4. Replace the outdoor
fan.
1. Secure the pressure
sensor wiring terminals.
2. Replace the pressure
sensor.
1. Check the
communications cable.
2. Replace the SPD and
voltage detection
board.
3. Maintain or replace
the main control board.
1. Replace the SPD and
voltage detection
board.
209