Huawei FusionModule5000 Maintenance Manual page 91

FusionModule5000 Smart Modular Data Center
Maintenance Guide (ECC800)
Alar
m ID
a045
a047
a048
Issue 01 (2019-03-05)
Alarm Severit System
Name y Operatio
n
detector is
alarm generated,
and the
NetCol50
00-C
shuts
down.
Teamw Major Triggered
ork alarm.
network Measure:
ing After a
failed networkin
g failure
message
is
displayed,
disable
the
involved
device
from the
teamwork
mode.
No Critical The alarm
Cooling is
Output generated,
and the
NetCol50
00-C
shuts
down.
Supply- Critical The alarm
air HT is
generated.
The
indoor fan
has the
maximum
output,
and the
value has
100%
outputs in
automatic
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Possible Causes
generated in the
equipment room.
2. The cable
connection to the
smoke detector is
faulty.
3. The smoke
detector is faulty.
1. The DIP switch is
set incorrectly for
teamwork.
2. The teamwork
cables are loose or
damaged.
3. Any two air
conditioner units
have the same
address.
4. No air conditioner
unit is configured
as the master unit.
5. The master unit is
powered off.
1. The cables to the
chilled water (CW)
valve are loose or
damaged.
2. The CW valve is
stuck or faulty.
1. The load is high,
or the refrigeration
capacity is
insufficient.
2. The supply air
temp is higher than
the supply-air HT
alarm threshold
during startup.
3. The ambient temp
is high.
4. The supply-air HT
alarm threshold is
3 Alarm Reference
Recovery Measures
from the
equipment room
and reset the
smoke detector.
2. Check the cable
connection of the
smoke detector.
3. Maintain or
replace the smoke
detector.
1. Set the DIP switch
correctly for
teamwork.
2. Check the
teamwork cables.
3. Change the
addresses of the
air conditioner
units.
4. Configure one air
conditioner unit as
the master unit.
5. Power on the
master unit, or
configure another
unit as the master
unit.
1. Check the cables
to the CW valve.
2. Maintain or
replace the CW
valve.
1. Add more air
conditioner units.
2. Check other
causes if the alarm
persists after
startup.
3. Check the ambient
temp.
4. Adjust the
supply-air HT
alarm threshold.
5. Calibrate or
replace the
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