Huawei NetCol5000-A050 User Manual page 222

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