Huawei NetCol5000-A050 - Page 205

Alarm
ID
Alarm Name Alar
m
Seve
rity
Possible Cause Solution
A049-0
1
Supply air low
temperature
alarm
WAR
NIN
G
1. The
temperature
sensors or
temperature and
humidity sensors
are located in
inappropriate
positions.
2. The thermal
load power is low.
3. The ambient
temperature is
below the lower
threshold.
4. The low
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.
6. The air
lters
are blocked.
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.
6. Maintain or replace
the air
lters.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 9 Alarm Reference
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 195