Huawei FusionModule5000

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.
83
Alar
m ID
Alarm
Name
Severit
y
System
Operatio
n
Possible Causes
Recovery Measures
detector
alarm
is
generated,
and the
NetCol50
00-C
shuts
down.
generated in the
equipment room.
2. The cable
connection to the
smoke detector is
faulty.
3. The smoke
detector is faulty.
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.
a045
Teamw
ork
network
ing
failed
Major
Triggered
alarm.
Measure:
After a
networkin
g failure
message
is
displayed,
disable
the
involved
device
from the
teamwork
mode.
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. 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.
a047
No
Cooling
Output
Critical
The alarm
is
generated,
and the
NetCol50
00-C
shuts
down.
1. The cables to the
chilled water (CW)
valve are loose or
damaged.
2. The CW valve is
stuck or faulty.
1. Check the cables
to the CW valve.
2. Maintain or
replace the CW
valve.
a048
Supply-
air HT
Critical
The alarm
is
generated.
The
indoor fan
has the
maximum
output,
and the
value has
100%
outputs in
automatic
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
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