Huawei NetCol5000-A025 - Page 221

Al
ar
m
ID
Alarm
Name
Ala
rm
Sev
erit
y
Impact Possible Causes Solution
Backup
power
voltage
abnorm
al
MA
JOR
Generates
an alarm
and shuts
down the
smart
cooling
product.
1. The power
supply voltage is
below the lower
threshold.
2. The cables to
the SPD and
voltage
detection board
are loose or
damaged.
3. The SPD and
voltage
detection board
is faulty.
1. Check that the
power supply
voltage is within
the operating
range.
2. Check the cable
connection to the
SPD and voltage
detection board.
3. Replace the SPD
and voltage
detection board.
a2
8
2
Power
phase
sequen
ce
abnorm
al
MA
JOR
Generates
an alarm
and shuts
down the
smart
cooling
product.
1. The phase
sequence of the
power supply is
incorrect.
2. The SPD and
voltage
detection board
is faulty.
1. Rectify the phase
sequence of the
power supply.
2. Maintain or replace
the SPD and
voltage detection
board.
Power
phase
sequen
ce
abnorm
al
MA
JOR
Generates
an alarm
and shuts
down the
smart
cooling
product.
1. The power grid
is unstable.
2. The phase A/B/C
input cable is
faulty.
1. Check the power
grid.
2. Rectify the fault of
the phase A input
cable.
Power
phase
sequen
ce
abnorm
al
MA
JOR
Generates
an alarm
and shuts
down the
smart
cooling
product.
1. The power grid
is unstable.
2. The SPD and
voltage
detection board
may be faulty if
it is
congured.
1. Check the power
grid.
2. Maintain or replace
the SPD and
voltage detection
board.
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. 211