Alarm ID Alarm Name Alarm
Severity
Possible Cause Solution
A091-01 Cold aisle low
temperature alarm
Warning ● 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
dierent from the
actual value.
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.
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. 232
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