Huawei NetCol8000-C070 User Manual page 151

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
Alar
m ID
A094
A097
Issue 02 (2020-08-30)
Alarm Alarm Possible Cause
Name Severi
ty
Low Warni 1. The ambient humidity
humidity ng is below the lower
alarm 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.
Supply- Major 1. The temperature of
water chilled water is higher
high than the supply water
temperat high temperature alarm
ure threshold.
alarm
2. The supply water high
temperature alarm
threshold is
inappropriate.
3. The supply and return
water pipes are reversely
installed.
4. The supply and return
water sensors are
reversely installed.
5. The supply water
temperature displayed is
different from the actual
temperature.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Solution
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
temperature of
supplied chilled water.
2. Adjust the supply
water high
temperature alarm
threshold.
3. Exchange the
positions of the supply
and return water pipes.
4. Exchange the
positions of the supply
and return water
sensors.
5. Calibrate or replace
the supply water
temperature sensor.
143