Huawei NetCol5000-C Series User Manual page 125

NetCol5000-C(065, 080) In-row Chilled Water Smart
Cooling Product
User Manual
Alarm Alarm Name
ID
a093 High humidity
alarm
a094 Low humidity
alarm
a096 Supply-water
temperature
invalid
a097 Supply-water
high
temperature
alarm
Issue 07 (2020-03-16)
Alarm Impact
Severity
Warning Generates an
alarm
Warning Generates an
alarm
Major Generates an
alarm
Major Generates an
alarm
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Cause
1. The thermal load
power is low.
2. The ambient
humidity exceeds the
upper threshold.
3. The temperature and
humidity sensor is not
installed in a proper
position.
4. The high humidity
alarm threshold is
inappropriate.
5. The value detected
by the temperature and
humidity sensor is
different from the
actual value.
1. The ambient
humidity is below the
lower threshold.
2. The temperature and
humidity sensor is not
installed in a proper
position.
3. The low humidity
alarm threshold is
inappropriate.
4. The value detected
by the temperature and
humidity sensor is
different from the
actual value.
1. The cables to the
temperature sensor are
loose or damaged.
2. The temperature
sensor is faulty.
1. The temperature of
chilled water is higher
than the supply water
high temperature alarm
threshold.
2. The supply water
high temperature alarm
Solution
valve.
1. Contact Huawei
technical support.
2. Measure the
ambient humidity.
3. Adjust the position
of the temperature and
humidity sensor.
4. Adjust the high
humidity alarm
threshold.
5. Calibrate or replace
the temperature and
humidity sensors.
1. Measure the
ambient humidity.
2. Adjust the position
of the temperature and
humidity sensor.
3. Adjust the low
humidity alarm
threshold.
4. Calibrate or replace
the temperature and
humidity sensors.
1. Check the cables to
the temperature
sensor.
2. Maintain or replace
the temperature
sensor.
1. Check the
temperature of
supplied chilled water.
2. Adjust the supply
water high
temperature alarm
threshold.
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