Huawei NetCol8000-A013 User Manual page 97

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