Huawei NetCol8000-C User Manual page 198

NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
Alarm ID Alarm Name
Supply water
temperature
sensor fault
Return water
temperature
sensor fault
A002-01 Return air high
temperature
alarm
Issue 06 (2020-01-13)
Alarm Impact
Severity
Major An alarm is
triggered.
Major An alarm is
triggered.
Critical N/A
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Solution
Cause
1. The cables 1. Check the
to the cables to the
temperature temperature
sensor are sensor.
loose or
2. Maintain or
damaged.
replace the
2. The temperature
temperature sensor.
sensor is
faulty.
1. The cables 1. Check the
to the cables to the
temperature temperature
sensor are sensor.
loose or
2. Maintain or
damaged.
replace the
2. The temperature
temperature sensor.
sensor is
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. Add smart
2. The thermal cooling
load power products or
is high or the contact
cooling Huawei
capacity is technical
insufficient. support.
3. The ambient 3. Measure the
temperature ambient
exceeds the temperature.
upper Check
threshold. whether
other causes
4. The high
exist if the
temperature
alarm
alarm
persists in a
threshold is
long time
inappropriat
after startup.
e.
4. Adjust the
5. The value
high
detected by
temperature
the
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