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NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
Alarm ID
Alarm Name
Return air
damper 1
temp/humid
sensor comm
failed
A018-01
Indoor fan 1
exceed runtime
alarm
Issue 06 (2020-01-13)
Alarm
Impact
Severity
Major
N/A
Warning
An alarm is
triggered.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible
Solution
Cause
and
sensor
humidity
correctly.
sensor is set
3. Maintain or
incorrectly.
replace the
3. The
temperature
temperature
and
and
humidity
humidity
sensor.
sensor is
4. Maintain or
faulty.
replace the
4. The
main control
communicati
board.
ons port of
the main
control
board is
faulty.
1. The cables
1. Check the
to the
cables to the
temperature
temperature
and
and
humidity
humidity
sensor are
sensor.
loose or
2. Set the DIP
damaged.
switch of the
2. The DIP
temperature
switch of the
and
temperature
humidity
and
sensor
humidity
correctly.
sensor is set
3. Maintain or
incorrectly.
replace the
3. The
temperature
temperature
and
and
humidity
humidity
sensor.
sensor is
4. Maintain or
faulty.
replace the
4. The
main control
communicati
board.
ons port of
the main
control
board is
faulty.
1. The
1. Maintain or
accumulated
replace the
runtime of
indoor fan
the indoor
and clear the
fan exceeds
accumulated
the alarm
198
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