Huawei NetCol5000-A035 User Manual page 180

NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm Width)
Al
ar
m
ID
a0
36
a0
37
a0
38
a0
39
Issue 17 (2020-10-22)
Alar Alar Defau
m m lt
Seve Value
rity
Powe Critic N/A
r al
phas
e
loss
Powe CRITI -
r CAL
phas
e
rever
se
Liqui MAJ -
d OR
pipe
temp
sens
or
fault
Ctrl Majo N/A
point r
sens
or
disab
led
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Impac Possible Cause
t
The 1. The power grid
alarm is unstable.
is
2. The surge
genera
protection board
ted,
is faulty if
and
configured.
the
3. The main power
system
supply or the
shuts
comp driver
down.
supply is
connected
improperly.
The 1. The power grid
alarm is unstable.
is
2. The surge
genera
protection board
ted,
is faulty.
and
the
system
shuts
down.
The 1. Cables to the
alarm liquid pipe temp
is sensor are not
genera properly
ted. connected.
2. The liquid pipe
temp sensor is
faulty.
The All the T/H sensors
alarm of the control point
is are disabled.
genera
ted,
and
the
system
shuts
down.
Solution
1. Check the
power grid.
2. Maintain or
replace the
surge protection
board.
3. Check the main
power supply or
cables to the
comp driver.
1. Check the
power grid.
2. Maintain or
replace the
surge protection
board.
1. Maintain or
replace the
liquid pipe temp
sensor.
2. Check cables to
the liquid pipe
temp sensor.
Enable the T/H
sensors of the
control point or
change the control
point.
170