Huawei NetCol8000-A013 User Manual page 109

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (800 mm Width)
ID Alarm
705 Outdoor Temp
Sensor Fault
706 Inverter Temp
Sensor Fault
707 OutUnit Comm
Interrupt Alarm
Issue 06 (2022-11-25)
System Causes
Action
The 1. The temperature
compressor
shuts down.
(705 and 706
2. The temperature
are triggered
at the same
time.)
The 1. The temperature
compressor
shuts down.
(705 and 706
2. The temperature
are triggered
at the same
time.)
The 1. The signal cables of
compressor
shuts down.
2. The signal cables of
3. The connector of
4. The outdoor unit
5. The indoor unit
6. The outdoor unit
7. The outdoor fan is
Copyright © Huawei Technologies Co., Ltd.
5 System Operation and Maintenance
sensor cable is not
properly connected.
sensor is faulty.
sensor cable is not
properly connected.
sensor is faulty.
the indoor and
outdoor units are
incorrectly
connected.
the indoor and
outdoor units are
not shielded.
the signal cable of
the indoor or
outdoor unit is
loose.
powers off.
main control board
is faulty.
main control board
is faulty.
faulty.
Solution
1. Check the cables to
the temperature
sensor.
2. Maintain or replace
the temperature
sensor.
1. Check the cables to
the temperature
sensor.
2. Maintain or replace
the temperature
sensor.
1. Connect the signal
cables according to
the correct wire
sequence.
2. Use shielded signal
cables.
3. Check and
reconnect any loose
cable or connector.
4. Power on the
outdoor unit.
5. Replace the main
control board of the
indoor unit.
6. Replace the main
control board of the
outdoor unit.
7. Rectify the motor
fault and replace
the outdoor unit
fan.
102