Huawei NetCol5000-A050 - Supply air high temperature alarm

Alarm
ID
Alarm Name Alar
m
Seve
rity
Possible Cause Solution
A001-0
1
Supply water
temperature
sensor fault
MAJ
OR
1. The cables to
the temperature
sensor are loose or
damaged.
2. The
temperature
sensor is faulty.
1. Check the cables to
the temperature sensor.
2. Maintain or replace
the temperature sensor.
A001-0
1
Return water
temperature
sensor fault
MAJ
OR
1. The cables to
the temperature
sensor are loose or
damaged.
2. The
temperature
sensor is faulty.
1. Check the cables to
the temperature sensor.
2. Maintain or replace
the temperature sensor.
A002-0
1
Return air
high
temperature
alarm
CRITI
CAL
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
insucient.
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
dierent from the
actual value.
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.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 9 Alarm Reference
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 183