Huawei NetCol8000-A045D User Manual page 242

NetCol8000-A(045, 055, 060, 090, 120) In-room Air
Cooled Smart Cooling Product
User Manual
Alarm ID Alarm Name
A091-01 Cold aisle low
temperature alarm
Issue 05 (2020-10-10)
Alarm
Severity
Warning
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
● The temperature
sensors or
temperature and
humidity sensors
are located in
inappropriate
positions.
● The thermal load
power is low.
● The ambient
temperature is
below the lower
threshold.
● The low
temperature alarm
threshold is
inappropriate.
● The value detected
by the temperature
sensor or
temperature and
humidity sensor is
different from the
actual value.
10 Alarm Reference
Solution
1. Adjust the positions
of the temperature
sensors or
temperature and
humidity sensors.
2. 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 low
temperature alarm
threshold.
5. Calibrate or replace
the temperature
sensor or
temperature and
humidity sensor.
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