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• Operation Mode that is kept on the memory

- State of Operation ON/OFF

- Operation Mode/Setting Temp/Selected Airflow Speed

- Sleep Timer Mode/Remaining Time of Sleep Timer (unit of hour)

■

• To operate the appliance by force in case that the remote controller is lost, the forced operation button is on the

main unit of the appliance to operate the appliance in the standard conditions.

• Press the forced operation button, the forced operation is carried out.

• Press the forced operation button once again to stop operation.

• The forced operation is carried out in cooling mode with the setting temperature 22°C and the high speed of air-

flow.

■

• To operate the appliance by force in case that the remote controller is lost, the forced operation selection switch

is on the main unit of the appliance to operate the appliance in the standard conditions.

• Press the forced operation button, the forced operation is carried out.

• Press the forced operation button once again to stop operation.

• In the forced operation mode, the indoor fan is operated at low speed for around 15 sec and then the operation

condition is set according to the intake air temperature as follows.

24°C 

≤

Intake Air Temp             => Cooling Mode Operation, 22°C, High Speed

21°C 

≤

Intake Air Temp < 24°C => Dehumidification Operation, 23°C, High Speed

Intake Air Temp < 21°C               => Heating Mode Operation, 24°C, High Speed

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• To check the condition of the installation when installing the appliance, the appliance is operated at cooling

mode, high speed of airflow, compressor-on for 18 min without controlling the room temperature.

• After supplying power to the main body, keep pressing the forced operation button for about 3 seconds.

• While in test operation, a key can be input by the remote controller.  

When a key (operation start/stop, operation mode selection, airflow speed selection, temperature control, Jet
Cool) is input by the remote controller, the test operation is canceled and the appliance is operated according to
the setting by the remote controller.

■

• In the temperrature of the indoor pipe is below 0°C after 7 minutes from starting the compressor, the compres-

sor and outdoor fan are stopped, and 3 minutes delay of operating of the compressor, when the temperature of
the indoor pipe is over 7°C, the compressor and the outdoor fan are reoperated.

• Outdoor fan motor stops when indoor pipe temperature is blow 3°C and restarts at the pipe temperature above

6°C or after 90 seconds, if the pipe temperature does not rise to 6°C, outdoor fan motor runs continuously at
even below 3°C.

■

• When the appliance-operation key is input by the remote controller, the short “beep-beep-” sounds.

• When the appliance-pause key is input by the remote controller, the long “beep—” sounds.

- 19 -

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• When an air cleaner function is selected during Air Conditioner operation

- Plasma air cleaner function will be operated while in any operation mode with selecting the function.
- The function is to be stopped while it is operating with selecting the function.

• When an air cleaner function is selected during operation off

- The function will be only operated.

• When inlet grille of air conditioner is opened during plasma operation, High Voltage Generator(H.V.B) is to be

stopped. When inlet grille of air conditioner is closed during plasma operation, High Voltage Generator(H.V.B)
will be operated again.

- 20 -

- 21 -

Receives the signals from the remote control.(Signal receiving sound: two short beeps or one long beep.)

: Lights up during the system operation.

: Lights up during Timer operation or Sleep mode.

: Lights up during Defrost Mode or Hot 

Start operation. (Heat pump model only)

Outdoor unit operation : Lights up during outdoor unit operation. (Cooling model only)

: Lights up during plasma-purification operation.(option)

: Lights up during if Restart Button is pressed.

: In failure of electric power, if the button is pressed the unit runs as previous 

setting operation when power returns.

Forced Operation Button : Operation starts, when this button is pressed and stops when you press the 

button again.

3sec

3sec

3sec

(once)

3sec

3sec

(twice)

3sec

(5times)

Error

Code

1

2

5

Error LED

(Indoor body operation LED)

Error contents

• Indoor room temperature

thermistor open/short

• Indoor pipe temperature

thermistor open/short.

• Outdoor pipe temperature

thermistor open/short.

• Poor communication.

• Indoor TH assy check

• Outdoor TH assy check

• Communication line/circuit

check

SVC check point

- 21 -

Receives the signals from the remote control.(Signal receiving sound: two short beeps or one long beep.)

: Lights up during the system operation.

: Lights up during Timer operation or Sleep mode.

: Lights up during Defrost Mode or Hot 

Start operation. (Heat pump model only)

Outdoor unit operation : Lights up during outdoor unit operation. (Cooling model only)

: Lights up during plasma-purification operation.(option)

: Lights up during if Restart Button is pressed.

: In failure of electric power, if the button is pressed the unit runs as previous 

setting operation when power returns.

Forced Operation Button : Operation starts, when this button is pressed and stops when you press the 

button again.

3sec

3sec

3sec

(once)

3sec

3sec

(twice)

3sec

(5times)

Error

Code

1

2

5

Error LED

(Indoor body operation LED)

Error contents

• Indoor room temperature

thermistor open/short

• Indoor pipe temperature

thermistor open/short.

• Outdoor pipe temperature

thermistor open/short.

• Poor communication.

• Indoor TH assy check

• Outdoor TH assy check

• Communication line/circuit

check

SVC check point