Huawei FusionModule5000 Maintenance Manual page 97

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