Huawei NetCol5000-A021 User Manual page 176

NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
Alarm Alarm Name
ID
a118 Main power off
a119 L1/L2 linkage
condition not
met
a120 A/C abnormal
L1/L2
disconnect
Issue 03 (2020-01-10)
Alarm Impact
Severity
Major The alarm is
generated, and
the electric
heater and
humidifier are
shut down.
Major The alarm is
generated, and
the L1/L2
linkage
function of the
iCooling is
disabled.
Major The alarm is
generated, and
the L1/L2
linkage
function of the
iCooling is
disabled.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes Solution
cooling product
and the ETH
converter or the
supervisory.
1. The main 1. Check the main power
power supply is
faulty.
2. Check the main power
2. The main
power cable is
in poor contact.
1. The cables to 1. Maintain or replace the
the temp sensor
of the cabinet
are loose or
damaged.
2. Maintain or replace the
2. The temp
sensor of the
3. Check or maintain the
cabinet is
faulty.
4. Check or maintain the rack
3. The monitoring
host (ECC) is
5. Check the configuration
faulty.
4. The rack
environment
6. Check the configuration of
unit is faulty.
5. The temp
sensor
7. Set Total number of units
configuration of
the supervisory
(ECC) is faulty.
6. The
configuration of
the smart
cooling product
is faulty.
7. Teamwork
settings are
incorrect for the
master unit.
1. Teamwork 1. Modify teamwork settings
settings are
incorrect for
slave units.
2. Teamwork 2. Set Total number of units
settings are
incorrect for the
master unit.
3. Power on the slave unit.
3. Slave unit is
power off or
ETH converter or the
supervisory.
supply.
cable.
cables to the temp sensor,
the rack environment unit,
and the supervisory (ECC).
temp sensor of cabinets.
supervisory (ECC).
environment unit.
between the temp sensor
and the cabinet is correct.
the supervisory (ECC) is
correct.
on the master unit to the
actual number of units.
for slave units to enable
slave units to join the
teamwork group.
on the master unit to the
actual number of units.
Check the slave unit
Teamwork Wire
168