Huawei V100R001 - Page 97

FusionModule5000 Smart Modular Data Center
Maintenance Guide (ECC800)
3 Alarm Reference
Issue 01 (2019-03-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
89
Alar
m ID
Alarm
Name
Severit
y
System
Operatio
n
Possible Causes
Recovery Measures
alarm threshold is
inappropriate.
5. The humidity
displayed is
different from the
actual humidity.
4. Adjust the high
humidity alarm
threshold.
5. Calibrate or
replace the
abnormal T/H
sensors.
a094
Low
humidit
y
Warnin
g
The alarm
is
generated.
1. The T/H sensors
are located in
inappropriate
position.
2. The ambient
humidity is low.
3. The low humidity
alarm threshold is
inappropriate.
4. The humidity
displayed is
different from the
actual humidity.
1. Adjust the
position of the
T/H sensors.
2. Check the ambient
humidity.
3. Adjust the low
humidity alarm
threshold.
4. Calibrate or
replace the
abnormal T/H
sensors.
a096
Supply-
water
temp
invalid
Major
The alarm
is
generated.
1. The cables to the
temperature sensor
are loose or
damaged.
2. The temperature
sensor is faulty.
1. Check the cables
to the temperature
sensor.
2. Maintain or
replace the
temperature
sensor.
a097
Supply-
water
HT
Major
The alarm
is
generated.
In
automatic
mode, the
indoor fan
has the
maximum
output and
the chilled
water
valve has
the 100%
output.
1. The temp of CW is
higher than the
supply-water HT
alarm threshold.
2. The supply-water
HT alarm
threshold is
inappropriate.
3. The supply water
temp displayed is
different from the
actual temp.
1. Check the temp of
supplied CW.
2. Adjust the
supply-water HT
alarm threshold.
3. Calibrate or
replace the supply
water temp sensor.
a098
Supply-
water
LT
Warnin
g
The alarm
is
generated.
1. The temp of CW is
lower than the
supply-water LT
alarm threshold.
2. The supply-water
HT alarm
1. Check the temp of
supplied CW.
2. Adjust the
supply-water LT
alarm threshold.
3. Calibrate or