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NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
Alarm ID
Alarm Name
A026-01
Air filter exceed
runtime alarm
A027-01
Power loss
alarm
A042-01
Remote
shutdown alarm
A044-01
Smoke sensor
alarm
A048-01
Supply air high
temperature
alarm
Issue 06 (2020-01-13)
Alarm
Impact
Severity
Warning
N/A
Warning
An alarm is
triggered.
Major
An alarm is
triggered, and
the smart
cooling product
is shut down.
Critical
An alarm is
triggered, and
the smart
cooling product
is shut down.
Critical
N/A
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible
Solution
Cause
enabled.
The
Maintain or
accumulated
replace the air
runtime of the
filter and clear
air filter
the accumulated
exceeds the
runtime.
alarm threshold.
The power
If power failure
supply is cut
occurs on the
off.
power system,
no maintenance
is needed. If it
occurs in other
places, check
the power
supply cables.
1. The remote
1. Check the
shutdown
status of the
dry contact
remote
is triggered.
shutdown
dry contact.
2. The cables
to the
2. Check the
remote
cables to the
shutdown
remote
dry contact
shutdown
are loose or
dry contact.
damaged.
1. Smoke is
1. Expel smoke
generated in
from the
the
equipment
equipment
room and
room.
reset the
smoke
2. The cables
sensor.
to the smoke
sensor are
2. Check the
loose or
cables to the
damaged.
smoke
sensor.
3. The smoke
sensor is
3. Maintain or
faulty.
replace the
smoke
sensor.
1. The
1. Adjust the
temperature
positions of
sensors or
the
temperature
temperature
and
sensors or
humidity
temperature
sensors are
and
202
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