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ENGLISH
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Control Codes
AC Smart Premium 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 followings are the error codes that occur while using AC Smart Premium.
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
(indooroutdoor)
Communication
error(indooroutdoor)
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
143


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