Huawei NetCol8000-C User Manual page 184

NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
Alar Alarm
m ID Name
a035 Power
underfreque
ncy alarm
a036 Power phase
loss
a039 Control
point sensor
disabled
alarm
a042 Remote
shutdown
alarm
a043 Floor water
overflow
a044 Smoke
detected
a045 Teamwork
networking
failed
Issue 06 (2020-01-13)
Alarm Impact
Severi
ty
system is
shut down.
Major An alarm is
triggered,
and the
system is
shut down.
Major N/A
Major An alarm is
triggered.
Critical An alarm is
triggered,
and the
system is
shut down.
Critical An alarm is
triggered,
and the
system is
shut down.
Critical An alarm is
triggered,
and the
system is
shut down.
Major An alarm is
triggered,
and
teamwork
mode is
exited to
work in
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
2. The SPD three-phase
detection board is faulty.
1. The power supply
frequency is below the
lower threshold.
2. The SPD three-phase
detection board is faulty.
1. The power grid is unstable.
2. The SPD (if configured)
may be faulty.
All the temperature sensors or
temperature and humidity
sensors at the control point are
disabled.
1. The remote shutdown dry
contact is triggered.
2. The cables to the remote
shutdown dry contact are
loose or damaged.
1. Water exists on the floor.
2. The overflow sensor cable
is not properly connected.
3. The water sensor is faulty.
1. Smoke is generated in the
equipment room.
2. The cables to the smoke
sensor are loose or
damaged.
3. The smoke sensor is faulty.
1. The DIP switch is set
incorrectly for teamwork.
2. The teamwork cables are
loose or damaged.
3. Any two smart cooling
product units have the same
6 System Operation and Maintenance
Solution
the working range.
2. Replace the SPD
three-phase detection
board.
1. The SPD three-phase
detection board is
faulty.
2. Replace the SPD
three-phase detection
board.
1. Check the power grid.
2. Maintain or replace
the surge protection
board.
Enable the temperature
sensors or temperature
and humidity sensors at
the control point or
change the control point.
1. Check the status of the
remote shutdown dry
contact.
2. Check the cables to
the remote shutdown
dry contact.
1. Check and clear the
water.
2. Check the cable
connection to the
overflow sensor.
3. Maintain or replace
the water sensor.
1. Exhaust smoke in
equipment room and
reset the smoke
sensor.
2. Check the cables to
the smoke sensor.
3. Maintain or replace
the smoke sensor.
1. Set the DIP switch
correctly for
teamwork.
2. Check the teamwork
cables.
3. Change the addresses
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