LG BACnet Touch - Troubleshoot; Control Codes; Error Codes; Indoor Device, ERV or ERV DX

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Troubleshoot
Troubleshoot
Control Codes
AC Smart BACnet may display the following control codes during usage
Control Code Description
S Displayed when the device status has changed due to the control
M Displayed when the system settings have changed
E Displayed when there is an error
Error Codes
The following error codes may appear while using AC Smart BACnet.
Indoor Device, ERV or ERV DX, AWHP(Hydro kit), AHU error
Error
Code
Indoor Device ERV or ERV DX AWHP(Hydro kit) AHU
0 No error No error No error
1
Indoor sensor air)
open/short
Air intake sensor
malfunction
Indoor air
thermometer
malfunction
2
Indoor sensor
(intake pipe) open/
short
Refrigerant intake
thermometer
malfunction
Refrigerant intake
thermometer
malfunction
Communication
PCB indoor sensor
(intake pipe) error
3
Remote control
malfunction
Remote control
malfunction
Remote control
malfunction
The remote control
is not functioning for
3 minutes or longer.
4
Drain pump
malfunction
Drain pump
malfunction
Communication
PCB is not
functioning for
3 minutes or or
longer.
5
Communication error
(indoor↔outdoor)
Communication error
(indoor↔outdoor)
Communication error
(indoor ↔ outdoor)
Communication
error
(communication
PCB ↔ outdoor)
6
Indoor sensor
(outtake pipe) open/
short
Refrigerant outtake
thermometer
malfunction
Refrigerant outtake
thermometer
malfunction
Communication
PCB indoor sensor
(outtake pipe) error
7 Atypical operation Atypical operation Atypical operation