NetCol5000-C(065, 080) In-row Chilled Water Smart
Cooling Product
User Manual
6 System Operation and Maintenance
Issue 07 (2020-03-16)
Copyright © Huawei Technologies Co., Ltd.
140
Alarm
ID
Alarm
Name
Alarm
Severit
y
Impact Possible Cause
Solution
Indoor fan
11 fault
Major
An
alarm is
triggere
d.
1.
The cables to the
indoor fan are
loose or
damaged.
2.
The indoor fan is
faulty.
1.
Check the cables
to the indoor fan.
2.
Maintain or
replace the
indoor fan.
Indoor fan
12 fault
Major
An
alarm is
triggere
d.
1.
The cables to the
indoor fan are
loose or
damaged.
2.
The indoor fan is
faulty.
1.
Check the cables
to the indoor fan.
2.
Maintain or
replace the
indoor fan.
A079-01
Drain
abnormal
alarm
Major
An
alarm is
triggere
d, and
the
humidif
ier is
shut
down.
1.
The drainage
filter is blocked.
2.
The drainpipe is
blocked.
3.
The condensate
water pump is
faulty.
4.
The low liquid
level sensor is
faulty.
1.
Clear the foreign
matter in the
water pan and
filter.
2.
Check that the
drainpipe is not
blocked or bent.
3.
Check the cables
to the condensate
water pump,
clear the foreign
matter in the
water pump, or
replace the
pump.
4.
Check the cables
to the low liquid
level sensor,
clear the
obstacles, or
replace the low
liquid level
sensor.
A080-01
Chilled
water
valve
exceed
runtime
alarm
Warnin
g
An
alarm is
triggere
d.
The accumulated
runtime of the
chilled water valve
exceeds the alarm
threshold.
Maintain or replace
the chilled water
valve and clear the
accumulated
runtime.
A090-01
Drain
pump
exceed
runtime
alarm
Warnin
g
An
alarm is
triggere
d.
The water pump
runtime exceeds the
threshold.
Maintain or replace
the water pump and
clear the
accumulated
runtime.
A091-01
Cold aisle
Warnin
An
1.
The temperature
sensors or
1.
Adjust the
positions of the