Huawei NetCol8000-A045D - Page 232

Alarm ID Alarm Name Alarm
Severity
Possible Cause Solution
A002-01 Return air high
temperature alarm
Critical ● The temperature
sensors or
temperature and
humidity sensors
are located in
inappropriate
positions.
● The thermal load
power is high or
the cooling
capacity is
insucient.
● The ambient
temperature
exceeds the upper
threshold.
● The high
temperature alarm
threshold is
inappropriate.
● 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.
NetCol8000-A(045, 055, 060, 090, 120) In-room Air
Cooled Smart Cooling Product
User Manual 10 Alarm Reference
Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd. 222