Huawei NetCol5000-A050 - Page 219

Alarm
ID
Alarm Name Alar
m
Seve
rity
Possible Cause Solution
A147-0
1
Outdoor fan
drive output
phase
sequence
abnormal
MAJ
OR
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. 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.
A162-0
1
Outdoor fan
pressure
sensor fault
WAR
NIN
G
1. A cable of the
pressure sensor is
loose.
2. The pressure
sensor is faulty.
1. Secure the pressure
sensor wiring terminals.
2. Replace the pressure
sensor.
A172-0
1
SPD and
voltage
detection
board comm
failed
MAJ
OR
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.
1. Check the
communications cable.
2. Replace the SPD and
voltage detection
board.
3. Maintain or replace
the main control board.
A174-0
1
SPD function
failure
MAJ
OR
The SPD and
voltage detection
board is faulty.
1. 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. 209