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NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
Alarm ID
Alarm Name
Fresh air filter
blocked alarm
Issue 06 (2020-01-13)
Alarm
Impact
Severity
Warning
An alarm is
triggered, and
the electric
heater and
humidifier of
the smart
cooling product
are shut down.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible
Solution
Cause
loose or
for the air
damaged.
filter.
6. The air
damper for
the air filter
is faulty.
7. The air
damper for
the air filter
is not
enabled
1. Air filters
1. Maintain or
are blocked
replace the
or dirty.
air filters.
2. The
2. Replace the
differential
differential
pressure
pressure
switch is
switch.
faulty.
3. Adjust the
3. The
threshold set
threshold set
for the
for the
differential
differential
pressure
pressure
switch.
switch is
4. Dredge or
inappropriat
replace the
e.
pressure
4. The pressure
tube.
tube of the
5. Check the
differential
cables to the
pressure
differential
switch is
pressure
blocked or
switch.
disconnected
6. Maintain or
.
replace the
5. The cables
air damper
to the
for the air
differential
filter.
pressure
7. Enable the
switch are
air damper
loose or
for the air
damaged.
filter.
6. The air
damper for
the air filter
is faulty.
7. The air
damper for
the air filter
is not
201
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