Huawei NetCol5000-C030H90D0 User Manual page 147

NetCol5000-C(030, 032, 065) In-row Chilled Water
Smart Cooling Product
User Manual (2019)
Alar
m ID
A097
A098
Issue 03 (2020-08-30)
Alarm Alarm
Name Severi
ty
Supply- MAJO
water high R
temperature
alarm
Supply- WARNI
water low NG
temperature
alarm
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Cause
1. The temperature
of chilled water is
higher than the
supply water 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
of chilled water is
lower than the
supply water low
temperature alarm
threshold.
2. The supply water
low temperature
alarm threshold is
inappropriate.
3. The supply water
temperature
displayed is different
from the actual
temperature.
Solution
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.
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