Huawei NetCol5000-C - Page 118

NetCol5000-C Chilled Water-Cooled In-Row Precision
Air Conditioner
User Manual
6 System Operation and Maintenance
Issue 02 (2013-12-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
110
Alarm
ID
Alarm Name
Severity
System
Operation
Possible Causes
Recovery Measures
is different from the
actual temperature.
3. The chilled water
valve is faulty.
4. The ambient
temperature is low.
the chilled water
valve.
4. Check the ambient
temperature.
a092
Hot aisle LT
Warning
The alarm is
generated.
1. The low temperature
alarm set point for the
hot aisle is
inappropriate for the
working conditions.
2. The temperature
displayed on the LCD
is different from the
actual temperature.
3. The chilled water
valve is faulty.
4. The ambient
temperature is low.
1. Adjust the low
temperature alarm
set point for the hot
aisle.
2. Maintain or replace
the temperature and
humidity sensor.
3. Maintain or replace
the chilled water
valve.
4. Check the ambient
temperature.
a093
High humidity
Warning
The alarm is
generated.
1. The high humidity
alarm set point is
inappropriate for the
working conditions.
2. The humidity
detected by
temperature and
humidity sensor is
higher than the actual
value.
3. The temperature and
humidity sensor is
located in an
inappropriate
position.
4. The ambient
humidity is high.
1. Adjust the high
humidity alarm set
point.
2. Maintain or replace
the temperature and
humidity sensor.
3. Adjust the position
of the temperature
and humidity sensor.
4. Check the ambient
humidity.
a094
Low humidity
Warning
The alarm is
generated.
1. The low humidity
alarm set point is
inappropriate for the
working conditions.
2. The humidity
detected by
temperature and
humidity sensor is
lower than the actual
value.
3. The temperature and
humidity sensor is
located in an
1. Adjust the low
humidity alarm set
point.
2. Maintain or replace
the temperature and
humidity sensor.
3. Adjust the position
of the temperature
and humidity sensor.
4. Check the ambient
humidity.