Huawei NetCol5000-A User Manual page 174

NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm)
Alar Alarm
Alarm
m Severit
ID y
a037 Power CRITIC
phase AL
reverse
Liquid
a038 MAJOR -
pipe
temp
sensor
fault
a039 Ctrl Major
point
sensor
disabled
a041 Cond MAJOR -
pump
fault
Remote
a042 Critical
shutdo
wn
a043 Floor Critical
water
overflo
w
Issue 13 (2019-01-15)
Default
Impact
Value
- The alarm
is
generated
, and the
system
shuts
down.
The alarm
is
generated
.
N/A The alarm
is
generated
, and the
system
shuts
down.
The alarm
is
generated
.
The alarm
N/A
is
generated
, and the
system
shuts
down.
N/A The alarm
is
generated
, and the
system
shuts
down.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Cause
1. The power grid is
unstable.
2. The surge protection
board is faulty.
1. Cables to the liquid
pipe temp sensor are
not properly connected.
2. The liquid pipe temp
sensor is faulty.
All the T/H sensors of the
control point are disabled.
1. The cables to the cond
pump are loose or
damaged.
2. The cond pump is
faulty.
3. The fuse or relay of the
cond pump is faulty.
4. The drainage capacity
of the cond pump
decreases, or the
drainpipe is blocked.
1. The remote shutdown
dry contact is triggered.
2. The cables to the
remote shutdown dry
contact is faulty.
1. Water exists on the
floor.
2. The water sensor is
faulty.
Solution
1. Check the power grid.
2. Maintain or replace the
surge protection board.
1. Maintain or replace the
liquid pipe temp
sensor.
2. Check cables to the
liquid pipe temp
sensor.
Enable the T/H sensors of
the control point or
change the control point.
1. Check the cables to the
cond pump.
2. Replace the cond
pump.
3. Replace the fuse or
relay of the cond
pump.
4. Replace the cond
pump or remove the
dirt from the
drainpipe.
1. Check the status of the
remote shutdown dry
contact.
2. Check the cables to the
remote shutdown dry
contact.
1. Check and clean the
water.
2. Maintain or replace the
water sensor.
165