Huawei NetCol8000-C User Manual page 238

NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
Alarm ID Alarm Name
Return air
damper 1
temp/humid
sensor fault
A27F-01 Water overflow
alarm
Issue 06 (2020-01-13)
Alarm Impact
Severity
Major N/A
Critical An alarm is
triggered, and
all the parts
expect for
indoor fans are
shut down.
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6 System Operation and Maintenance
Possible Solution
Cause
sensor 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. Maintain or
damaged.
replace the
2. The temperature
temperature and
and humidity
humidity sensor.
sensor is
faulty.
1. The water 1. While
overflow configuring
sensor the water
detects water overflow
or the sensor sensor,
is faulty. check and
clear the
2. The drainage
water
filter is
source, and
blocked.
maintain or
3. The
replace the
drainpipe is
sensor.
blocked.
2. Clear the
4. The
foreign
drainpipe is
matter in the
blocked.
water pan
5. The high
and filter.
liquid level
3. Check that
sensor is
the drainpipe
faulty.
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
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