NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (800 mm Width)
5 System Operation and Maintenance
Issue 05 (2019-12-20)
Copyright © Huawei Technologies Co., Ltd.
90
Alarm
ID
Alarm Name System
Action
Possible Causes
Solution
Degree Alarm
shuts down.
2.
The cables to the EEV are
not properly connected.
3.
The EEV coil is loose.
4.
The plug of the EEV is
loose.
5.
The plug of the EEV is
short-circuited.
6.
The outdoor temperature
sensor displays an incorrect
temperature or is faulty.
body.
3.
Secure the EEV coil.
4.
Secure the plug.
5.
Eliminate the short-circuit
fault.
6.
Adjust or replace the
outdoor temperature sensor.
302
EEV Low
Superheat
Lock Alarm
The
compressor
shuts down.
(The alarm
needs to be
manually
cleared.)
The EEV Low Superheat Alarm
is triggered multiple times
within a specified period of
time.
Refer to the solution to the EEV
Low Superheat Alarm.
303
EEV Drive
Alarm
The
compressor
shuts down.
1.
The EEV is not connected.
2.
The EEV coil is
short-circuited.
3.
The EEV drive circuit of the
indoor unit main control
board is faulty.
1.
Check the cables to the
EEV.
2.
Check whether the EEV coil
is short-circuited.
3.
Replace the main control
board of the indoor unit.
304
EEV Drive
Lock Alarm
The
compressor
shuts down.
The EEV Drive Alarm is
triggered multiple times within
a specified period of time.
Refer to the solution to the EEV
Drive Alarm.
401
Ele Heater HP
Alarm
Electric
heater is shut
down.
1.
The air vent of the indoor
unit is blocked.
2.
The cables to the
temperature switch of the
electric heater are
disconnected.
3.
The plug of the electric
heater temperature switch is
loose.
4.
The temperature switch of
the electric heater is faulty.
5.
The selected model is
incorrect.
1.
Check that the air vent of
the indoor unit is not
blocked.
2.
Check and replace the
temperature switch of the
electric heater.
3.
Secure the plug.
4.
Check and replace the
temperature switch of the
electric heater.
5.
Check that the selected
model is correct.
402
Ele Heater
Run Timeout
Alarm
--
The runtime of the electric
heater exceeds the preset
threshold.
Replace the electric heater and
clear the cumulative runtime.
501
Humid Water
Pump
Abnormal
Alarm
The
humidificatio
n system is
shut down.
(The alarm
1.
The humidifier pump is
faulty.
2.
The humidifier pump is
blocked.
1.
Check and replace the
humidifier pump.
2.
Check and eliminate the
blockage of the pump.