Troubleshooting

Refer to the following chart if the air conditioner operates abnormally. This may save time and unnecessary expenses.

PROBLEM	SOLUTION

The air conditioner does	• Check power status and then operate the air conditioner again.
not work at all.	• Plug in or switch on the circuit breaker and then operate the air conditioner again.
	• Check if you have set the Off Timer. Operate the air conditioner again by pressing the
		Power button.

The temperature	• Check if you have selected Fan/Turbo mode. In these modes, desired temperature is set to
adjustment is not working.		auto and you cannot adjust the temperature.

Cool/Warm air does	• Check if the set temperature is higher(during Cool mode)/lower(during Heat mode) than
not come out of the air		the current temperature. Press the Temp + or - button on the remote controller to change
conditioner.		the set temperature.
	• Check if the Air filter is blocked by dirt. If there is a lot of dust on the Air filter,
		cooling(heating) performance may decrease. Clean them frequently.
	• Check if the outdoor unit is covered or installed near the obstacle. Take the cover off and
		take the obstacle away.
	• If you want to operate the air conditioner in the sunlight, cover the outdoor unit using
		curtains or etc.
	• Check if the air conditioner is operating in De-ice mode. When the ice formed in winter
		or the outdoor temperature is too low, the air conditioner operates in De-ice mode
		automatically. In De-ice mode, indoor fan stops and cool air does not come out.
	• If the doors or windows are open, it may cause bad cooling (heating) performance.
		Close the doors and windows.
	• Check if the air conditioner has just been turned on after stopping cooling(heating)
		operation. In this case, just a fan will run to protect the outdoor unit compressor.
	• Check if the pipe length is too long. When the pipe length exceeds maximum allowable
		pipe length, cooling (heating) performance may decrease.

Air flow adjustment is not	•	Check if you have selected Auto/Dry/	mode. In these modes, desired
working.		temperature is set to auto and you cannot adjust the temperature.

Fan speed adjustment is	•	Check if you have selected Auto/Dry/Turbo/	mode. In these mode, fan speed
not working.		is set to Auto and you cannot adjust the fan speed.

Remote controller is not	• Check if your batteries are depleted.
working.	• Make sure nothing is blocking your remote controller sensor.

•Check that there are strong lighting apparatus near the air conditioner. Strong light which comes from fluorescent bulbs or neon signs may interrupt the electric waves.

Timer function does not	• Check if you press the Set/Cancel button on the remote controller after you have set the
set.	time.

The indicator is blinking	• Press the Power	button or disconnect the power plug/switch off the auxiliary power


continuously.	switch.
	If the indicator is still blinking, contact the service center.

Odors permeate in the	• Check if the appliance is running in a smoky area. Ventilate the room or operate the air
room during operation.	conditioner in Fan mode for 1~2 hours. (We do not use smelly components in the air
	conditioner.)