Huawei NetCol5000-A025 - Page 193

Al
ar
m
ID
Alarm
Name
Ala
rm
Sev
erit
y
Impact Possible Causes Solution
a0
0
2
Return
air high
temper
ature
alarm
CRI
TIC
AL
Generates
an alarm.
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 smart cooling
products 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-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width) 6 System Operation and Maintenance
Issue 15 (2020-12-10) Copyright © Huawei Technologies Co., Ltd. 183