Huawei NetCol5000-A025 User Manual page 201

NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width)
Al
ar
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ID
a0
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Issue 15 (2020-12-10)
Alarm Ala Impact
Name rm
Sev
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Supply WA Generates
air low RNI an alarm.
temper NG
ature
alarm
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes
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 different from
the actual value.
6. The air filters
are blocked.
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.
6. Maintain or replace
the air filters.
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