Alarm ID
Alarm Name
Alarm
Severity
Possible Cause
Solution
A105-01
Indoor fan failure
alarm
Critical
● The accumulated
runtime of the fan
exceeds the alarm
threshold.
● The cable to the
fan is not
connected properly.
● The power supply
to the fan is
abnormal.
1. Maintain or replace
the fan, and clear
the accumulated
runtime.
2. Check the cable
connection to the
fan.
3. Check the power
supply to the fan.
A118-01
Primary power failure
alarm
Major
The power supply is
faulty.
Check the power
supply.
A130-01
Humid water inlet
solenoid valve fault
Major
● The cables to the
water inlet solenoid
valve are loose or
damaged.
● The water inlet
solenoid valve is
faulty.
1. Check the cables to
the water inlet
solenoid valve.
2. Replace the water
inlet solenoid valve.
A193-01
Air-side diff pressure
sensor fault
Major
● The cable to the
differential pressure
sensor is loose or
damaged.
● The pressure tube
of the differential
pressure sensor is
reversely
connected.
● The differential
pressure sensor is
faulty.
1. Check the cable
connection to the
differential pressure
sensor.
2. Check the tube
connection to the
differential pressure
sensor.
3. Maintain or replace
the differential
pressure sensor.
A220-01
Wizard startup is in
progress
Warning
Wizard startup is in
progress.
Wait until wizard
startup is complete or
clear the alarm
manually to exit
wizard startup.
A233-01
Air-side low pressure
difference alarm
Warning
● Contained aisles
are poorly-sealed.
● The differential
pressure sensor is
faulty.
1. Check that the cold
and hot aisles are
well-sealed.
2. Maintain or replace
the differential
pressure sensor.
NetCol5000-C(030, 032, 065) In-row Chilled Water
Smart Cooling Product
User Manual
6 System Operation and Maintenance
Issue 04 (2021-03-15)
Copyright © Huawei Technologies Co., Ltd.
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