Huawei NetCol5000-C Series User Manual page 165

NetCol5000-C030 In-row Chilled Water Smart Cooling
Product
User Manual (Simple Configuration)
Alarm Alarm Name
ID
linkage
condition not
met
a115 iCooling
linkage A/C
abnormal
a116 iCooling
comm
interrupt
alarm
Issue 09 (2020-01-10)
Severity System
Operation
generated.
Major The alarm is
generated.
Major Exit the linkage.
The system runs
according to the
single-unit logic
and does not
change the mode
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes
master in another
MDC.
2. The teamwork
mode settings for
smart cooling
products in
another MDC are
incorrect.
3. The linkage enable
settings for smart
cooling products
in another MDC
are incorrect.
4. The cable between
the A/C master
and EMS is faulty
in another MDC.
5. All supply water
temperature
sensors in this or
another MDC are
faulty.
6. The actual number
of online units in
MDC is different
from the setting.
7. The
communications
cable between the
chiller and EMS is
faulty.
8. The chiller has not
started.
1. All supply water
temperature
sensors for smart
cooling products
in this MDC are
faulty.
2. The number of
online teamwork
units in this MDC
is different from
the setting.
1. The
communications
cable between the
teamwork master
smart cooling
product and the
Recovery Measures
is set and teamwork
function enabled for
each MDC.
2. iCooling mode is set
for each MDC.
3. Linkage is enabled
for each MDC.
4. Check the
communication
cable between the
A/C master and
EMS for each MDC.
5. Maintain or replace
the supply water
temperature sensor.
6. Check the teamwork
cable, A/C power
supply or setting of
total number of
units.
7. Check the
communication
cable between the
chiller and EMS.
8. Start the chiller.
1. Maintain or replace
the supply water
temperature sensor.
2. Check the teamwork
cable, A/C power
supply or setting of
total number of
units.
1. Check the
communications
cable connection.
2. Maintain or replace
the monitoring
system. If the fault
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