Troubleshoot; Control Codes; Error Codes; Indoor Device, Erv Or Erv Dx - LG BACnet Touch Installation & Owner's Manual

Troubleshoot

Control Codes

AC Smart BACnet may display the following control codes during usage
Control Code
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
Indoor Device
Code
0 No error
Indoor sensor air)
1
open/short
Indoor sensor
2 (intake pipe) open/
short
Remote control
3
malfunction
Drain pump
4
malfunction
Communication error
5
(indoor ↔ outdoor)
Indoor sensor
6 (outtake pipe) open/
short
7 Atypical operation
Description
ERV or ERV DX
No error No error
Indoor air
Air intake sensor
thermometer
malfunction
malfunction
Refrigerant intake Refrigerant intake
thermometer thermometer
malfunction malfunction
Remote control Remote control
malfunction malfunction
Drain pump
malfunction
Communication error Communication error
(indoor ↔ outdoor) (indoor ↔ outdoor)
Refrigerant outtake Refrigerant outtake
thermometer thermometer
malfunction malfunction
Atypical operation Atypical operation
AWHP(Hydro kit)
Communication
PCB indoor sensor
(intake pipe) error
The remote control
is not functioning for
3 minutes or longer.
Communication
PCB is not
functioning for
3 minutes or or
longer.
Communication
error
(communication
PCB ↔ outdoor)
Communication
PCB indoor sensor
(outtake pipe) error
71
Troubleshoot
AHU