Huawei NetCol5000-A035 - Page 203

Al
ar
m
ID
Alar
m
Alar
m
Seve
rity
Defau
lt
Value
Impac
t
Possible Cause Solution
a1
13
Hot-
aisle
1
T/H
brd
com
m
faile
d
Hot-
aisle
2
T/H
brd
com
m
faile
d
Hot-
aisle
3
T/H
brd
com
m
faile
d
Majo
r
N/A The
alarm
is
genera
ted.
1. The cables to the
T/H sensor are
loose or
damaged.
2. The DIP switch
of the T/H
sensor is set
incorrectly.
3. The T/H sensor
is faulty.
4. The
communication
port of the
control board is
faulty.
1. Check the
cables to the
T/H sensor.
2. Set the DIP
switch of the
T/H sensor
correctly.
3. Maintain or
replace the T/H
sensor.
4. Maintain or
replace the
control board.
a1
16
iCool
ing
com
muni
catio
n
fault
Majo
r
N/A The
alarm
is
genera
ted.
1. The
communication
cable is faulty
between the A/C
master and EMS
in this MDC.
2. The EMS is
faulty.
1. Check the
communication
cable between
the A/C master
and EMS.
2. Check the EMS
power supply.
NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm Width) 6 System Operation and Maintenance
Issue 17 (2020-10-22) Copyright © Huawei Technologies Co., Ltd. 193