NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
6 System Operation and Maintenance
Issue 06 (2020-01-13)
Copyright © Huawei Technologies Co., Ltd.
192
Alarm ID
Alarm Name
Alarm
Severity
Impact
Possible
Cause
Solution
humidity
sensor is
different
from the
actual value.
6.
The air
filters are
blocked.
7.
The chilled
water valve
is stuck or
faulty.
temperature
sensor or
temperature
and
humidity
sensor.
6.
Maintain or
replace the
air filters.
7.
Maintain or
replace the
chilled water
valve.
A007-01
Return air 1
temp/humid
sensor comm
failed
Major
N/A
1.
The cables
to the
temperature
and
humidity
sensor are
loose or
damaged.
2.
The DIP
switch of the
temperature
and
humidity
sensor is set
incorrectly.
3.
The
temperature
and
humidity
sensor is
faulty.
4.
The
communicati
ons port of
the main
control
board is
faulty.
1.
Check the
cables to the
temperature
and
humidity
sensor.
2.
Set the DIP
switch of the
temperature
and
humidity
sensor
correctly.
3.
Maintain or
replace the
temperature
and
humidity
sensor.
4.
Maintain or
replace the
main control
board.
Return air 2
temp/humid
sensor comm
failed
Major
N/A
1.
The cables
to the
temperature
and
humidity
sensor are
loose or
damaged.
2.
The DIP
1.
Check the
cables to the
temperature
and
humidity
sensor.
2.
Set the DIP
switch of the
temperature