Huawei NetCol5000-A025 - Page 215

Al
ar
m
ID
Alarm
Name
Ala
rm
Sev
erit
y
Impact Possible Causes Solution
a2
2
2
Main
control
module
power
supply
abnorm
al
MA
JOR
Generates
an alarm
and shuts
down the
smart
cooling
product.
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.
a2
3
3
Air-side
low
pressur
e
dieren
ce
alarm
WA
RNI
NG
Generates
an alarm.
1. Contained aisles
are poorly-
sealed.
2. The dierential
pressure sensor
is faulty.
1. Check that the cold
and hot aisles are
well-sealed.
2. Maintain or replace
the dierential
pressure sensor.
a2
4
2
Manual
shutdo
wn
alarm
MA
JOR
Generates
an alarm
and shuts
down the
smart
cooling
product.
The smart cooling
product is shut
down via the LCD
or NetEco.
Restart the smart
cooling product via
the LCD or NetEco.
NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width) 6 System Operation and Maintenance
Issue 15 (2020-12-10) Copyright © Huawei Technologies Co., Ltd. 205