Huawei NetCol5000-A050 User Manual page 193

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
Alarm
ID
A001-0
1
A001-0
1
A002-0
1
Issue 08 (2021-09-17)
Alarm Name Alar
m
Seve
rity
Supply water MAJ
temperature OR
sensor fault
Return water MAJ
temperature OR
sensor fault
Return air CRITI
high CAL
temperature
alarm
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
1. The cables to
the temperature
sensor are loose or
damaged.
2. The
temperature
sensor is faulty.
1. The cables to
the temperature
sensor are loose or
damaged.
2. The
temperature
sensor is faulty.
1. The
temperature
sensors or
temperature and
humidity sensors
are located in
inappropriate
positions.
2. The thermal
load power is high
or the cooling
capacity is
insufficient.
3. The ambient
temperature
exceeds the upper
threshold.
4. The high
temperature alarm
threshold is
inappropriate.
5. The value
detected by the
temperature
sensor or
temperature and
humidity sensor is
different from the
actual value.
9 Alarm Reference
Solution
1. Check the cables to
the temperature sensor.
2. Maintain or replace
the temperature sensor.
1. Check the cables to
the temperature sensor.
2. Maintain or replace
the temperature sensor.
1. Adjust the positions
of the temperature
sensors or temperature
and humidity sensors.
2. Add air conditioners
or contact Huawei
technical support.
3. Measure the ambient
temperature. Check
whether other causes
exist if the alarm
persists in a long time
after startup.
4. Adjust the high
temperature alarm
threshold.
5. Calibrate or replace
the temperature sensor
or temperature and
humidity sensor.
183