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NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
Alarm ID
Alarm Name
Indoor fan 4
power supply
abnormal
A272-01
Teamwork
networking
abnormal alarm
Issue 06 (2020-01-13)
Alarm
Impact
Severity
Major
An alarm is
triggered, and
the
corresponding
fan is shut
down.
Warning
An alarm is
triggered, and
teamwork mode
is exited to
work in
standalone
mode.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible
Solution
Cause
1. The cables
1. Check the
to the indoor
cables to the
fan are loose
indoor fan.
or damaged.
2. Maintain or
2. The indoor
replace the
fan is faulty.
indoor fan.
1. The DIP
1. Set the DIP
switch on
switch
the main
correctly for
control
teamwork.
board is set
2. Check the
incorrectly
teamwork
for
cables.
teamwork.
3. Change the
2. The
addresses of
teamwork
the smart
cables are
cooling
loose or
product
damaged.
units.
3. Any two
4. Configure
smart
one smart
cooling
cooling
product units
product unit
have the
as the master
same
unit.
address.
5. Power on
4. No smart
the master
cooling
unit, or
product unit
configure
is configured
another unit
as the master
as the master
unit.
unit.
5. The master
6. Upgrade the
unit is
smart
powered off.
cooling
6. The software
product
versions of
software by
the smart
referring to
cooling
the section
products in
that
the group
describes the
are
mapping
inconsistent.
between the
software and
7. The sensor
the
that
teamwork
corresponds
versions in
to the
the upgrade
temperature
guide.
and
humidity
7. Enable the
220
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