Huawei NetCol8000-C User Manual page 199

NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
Alarm ID Alarm Name
A003-01 Return air low
temperature
alarm
Issue 06 (2020-01-13)
Alarm Impact
Severity
Warning N/A
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Solution
Cause
temperature alarm
sensor or threshold.
temperature
5. Calibrate or
and
replace the
humidity
temperature
sensor is
sensor or
different
temperature
from the
and
actual value.
humidity
6. The chilled sensor.
water flow is
6. Check the
insufficient,
pressure and
or the supply
temperature
water
of chilled
temperature
water.
is high.
7. Maintain or
7. The chilled
replace the
water valve
chilled water
is stuck or
valve.
faulty.
1. The 1. Adjust the
temperature positions of
sensors or the
temperature temperature
and sensors or
humidity temperature
sensors are and
located in humidity
inappropriat sensors.
e positions.
2. Contact
2. The thermal Huawei
load power technical
is low. support.
3. The ambient 3. Measure the
temperature ambient
is below the temperature.
lower Check
threshold. whether
other causes
4. The low
exist if the
temperature
alarm
alarm
persists in a
threshold is
long time
inappropriat
after startup.
e.
4. Adjust the
5. The value
low
detected by
temperature
the
alarm
temperature
threshold.
sensor or
temperature 5. Calibrate or
and replace the
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