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NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
Alarm ID
Alarm Name
A120-01
Indoor fan 1
communication
failed
Indoor fan 2
communication
failed
Indoor fan 3
communication
failed
Indoor fan 4
communication
failed
A130-01
Humidifier
water inlet
solenoid valve
fault
A172-01
SPD & voltage
Issue 06 (2020-01-13)
Alarm
Impact
Severity
Major
An alarm is
triggered.
Major
An alarm is
triggered.
Major
An alarm is
triggered.
Major
An alarm is
triggered.
Major
An alarm is
triggered, and
the humidifier is
shut down.
Major
N/A
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible
Solution
Cause
1. The indoor
1. Check the
fan
communicati
communicati
ons cable
ons cable is
connection
loose or
to the indoor
damaged.
fan.
2. The indoor
2. Maintain or
fan is faulty.
replace the
indoor fan.
1. The indoor
1. Check the
fan
communicati
communicati
ons cable
ons cable is
connection
loose or
to the indoor
damaged.
fan.
2. The indoor
2. Maintain or
fan is faulty.
replace the
indoor fan.
1. The indoor
1. Check the
fan
communicati
communicati
ons cable
ons cable is
connection
loose or
to the indoor
damaged.
fan.
2. The indoor
2. Maintain or
fan is faulty.
replace the
indoor fan.
1. The indoor
1. Check the
fan
communicati
communicati
ons cable
ons cable is
connection
loose or
to the indoor
damaged.
fan.
2. The indoor
2. Maintain or
fan is faulty.
replace the
indoor fan.
1. The cables
1. Check the
to the water
cables to the
inlet
water inlet
solenoid
solenoid
valve are
valve.
loose or
2. Replace the
damaged.
water inlet
2. The water
solenoid
inlet
valve.
solenoid
valve is
faulty.
1. The
1. Check the
214
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