Huawei NetCol5000-A User Manual page 189

NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm)
Alar Alarm
Alarm
m Severit
ID y
a120 A/C Major
abnorm
al
L1/L2
disconn
ect
a175 L1/L2 Major
linkage
humidit
y not
met
Issue 13 (2019-01-15)
Default
Impact
Value
N/A The alarm
is
generated
.
N/A The alarm
is
generated
.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Cause
1. Teamwork settings are
incorrect for slave units.
2. Teamwork settings are
incorrect for the master
unit.
3. A slave unit is power
off or offline.
4. The ETH converter is
faulty.
5. The smart socket is
faulty.
6. The cables are faulty
between the smart
cooling product and the
smart socket or
monitoring host.
1. The cabinet T/H sensor
is faulty.
2. The cables to the
cabinet T/H sensor are
loose or damaged.
3. The aisle T/H sensor of
an smart cooling
product is faulty.
4. The cables to the aisle
T/H sensor of an smart
cooling product are
loose or damaged.
5. The DIP switch of the
T/H sensor is set
incorrectly.
6. The communications
port of the control
board is faulty.
7. The ETH converter is
faulty.
8. The smart socket is
faulty.
Solution
1. Modify teamwork
settings for slave units
to enable slave units to
join the teamwork
group.
2. Set total number of
units on the master
unit to the actual
number of units.
3. Check the cable
connection and
running conditions of
the slave units.
4. Maintain or replace the
ETH converter.
5. Maintain or replace the
smart socket.
6. Maintain or replace the
cables between the
smart cooling product
and the smart socket or
monitoring host.
1. Maintain or replace the
cabinet T/H sensor.
2. Maintain or replace the
cables to the temp
sensor, rack
environment unit, and
monitoring host
(ECC).
3. Maintain or replace the
T/H sensor of the
smart cooling product.
4. Maintain or replace the
cables between the
T/H sensor and the
control board.
5. Set the DIP switch
correctly for the T/H
sensor.
6. Maintain or replace the
control board.
7. Maintain or replace the
ETH converter.
8. Maintain or replace the
smart socket.
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