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.
230
Alarm ID
Alarm Name
Alarm
Severity
Impact
Possible
Cause
Solution
sensor is
faulty.
Return air
damper 1
temp/humid
sensor fault
Major
N/A
1.
The cables
to the
temperature
and
humidity
sensor are
loose or
damaged.
2.
The
temperature
and
humidity
sensor is
faulty.
1.
Check the
cables to the
temperature
and
humidity
sensor.
2.
Maintain or
replace the
temperature
and
humidity
sensor.
A27F-01
Water overflow
alarm
Critical
An alarm is
triggered, and
all the parts
expect for
indoor fans are
shut down.
1.
The water
overflow
sensor
detects water
or the sensor
is faulty.
2.
The drainage
filter is
blocked.
3.
The
drainpipe is
blocked.
4.
The
drainpipe is
blocked.
5.
The high
liquid level
sensor is
faulty.
1.
While
configuring
the water
overflow
sensor,
check and
clear the
water
source, and
maintain or
replace the
sensor.
2.
Clear the
foreign
matter in the
water pan
and filter.
3.
Check that
the drainpipe
is not
blocked or
bent.
4.
If the drain
pump is
configured,
check its
cable
connections,
clear the
foreign
matter in it,
or replace it.
5.
While
configuring
the high