Huawei NetCol5000-C Series User Manual page 151

NetCol5000-C(065, 080) In-row Chilled Water Smart
Cooling Product
User Manual
Alarm
ID
A097-01
A098-01
Issue 07 (2020-03-16)
Alarm Alarm
Name Severit
y
Supply-wa Major
ter high
temperatur
e alarm
Supply-wa Warnin
ter low g
temperatur
e alarm
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Impact Possible Cause
humidity alarm
threshold is
inappropriate.
4. The value
detected by the
temperature and
humidity sensor
is different from
the actual value.
1. The temperature
An
of chilled water
alarm is
is higher than the
triggere
supply water
d.
high temperature
alarm threshold.
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.
1. The temperature
An
of chilled water
alarm is
is lower than the
triggere
supply water low
d.
temperature
alarm threshold.
2. The supply water
low temperature
alarm threshold
is inappropriate.
3. The supply water
temperature
displayed is
different from
Solution
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.
1. Check the
temperature of
supplied chilled
water.
2. Adjust the
supply water low
temperature
alarm threshold.
3. Calibrate or
replace the
supply water
temperature
sensor.
143