Huawei NetCol5000-A050 - Page 222

Alarm
ID
Alarm Name Alar
m
Seve
rity
Possible Cause Solution
A189-0
1
Transformer
overtemperatu
re alarm
CRITI
CAL
1. The transformer
is faulty.
2. The input power
has an open
phase.
1. Replace the
transformer.
2. Check for input
power faults.
A193-0
1
Air-side di
pressure
sensor fault
MAJ
OR
1. The dierential
pressure sensor
cable is loose or
damaged.
2. The pressure
tube of the
dierential
pressure sensor is
reversely
connected.
3. The
dierential
pressure sensor is
faulty.
1. Check the cable
connection to the
dierential pressure
sensor.
2. Check the tube
connection to the
dierential pressure
sensor.
3. Maintain or replace
the
dierential pressure
sensor.
A220-0
1
Wizard startup
is in progress
WAR
NIN
G
Wizard startup is
in progress.
1. Wait until wizard
startup is complete or
clear the Wizard
startup in progress
alarm manually to exit
wizard startup.
A222-0
1
Main control
module power
supply
abnormal
MAJ
OR
1. The system is
powered o.
2. The main
control module is
in poor contact.
3. The PSU is
faulty.
4. The PSU is in
poor contact.
5. The auxiliary
power supply is
faulty.
6. The auxiliary
power supply is in
poor contact.
7. The main
control module is
faulty.
1. Power on the system.
2. Check the
interconnection module
in the main control
module.
3. Replace the PSU.
4. Check the PSU
interconnection
module.
5. Replace the auxiliary
power supply.
6. Check the
interconnection module
of the auxiliary power
supply.
7. Replace the main
control module.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 9 Alarm Reference
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 212