Solving Common Problems

Before contacting the after-sales service, perform the following simple checks.

They may save you the time and expense of an unnecessary call.

Problem	Explanation/Solution

The air conditioner does not operate at all.

Check if power is on and operate the air conditioner again.

Check if the circuit breaker is switched off.

Check if Off Timer is set.

The temperature is not adjusted.

 Check if you selected the Fan mode.

The air conditioner does not operate in the HEAT mode.

Check if the air conditioner is cooling only model.

Check if the remote control is for cooling only model.

The cool(warm) air does not come out from the air conditioner.

Check if set temperature higher(lower) than current temperature.

Check if you selected the Fan mode. Select the Cool, Heat, Auto or Dry mode.

Check if the air filter is blocked by dirt. Clean the air filter regularly.

Check if the there is cover on the outdoor unit or any obstacle. Remove the cover or obstacle.

Check if you installed the air conditioner under direct sunlight.

The window or door may be opened.

Check if you turn on the air conditioner just now. It takes about 3 minutes to cool or heat the room.

Check if the drain pipe is too long.

The fan speed is not adjusted.	 In Auto or Dry mode, the fan speed is selected automatically.

The remote control does	 Check if the battery is discharged. Replace the battery.
not operate.	 Check if the remote control sensor is blocked.
	 Check if the air conditioner is placed near strong light.

The Timer is not set.	 Check if you pressed the	button after selecting time.

Odor is permeated in the room during operation.

Check if you use the air conditioner in smoky area or there is a smell. Ventilate the room or select the Fan mode for 1~2 hours.

The indoor unit indicator	 Press the	button to turn on the air conditioner again.
flashes.	Switch the circuit breaker off and switch on it again.

Strange sound is heard from the air conditioner.

The sound is heard when the refrigerant gas flow is changed depending on the use of the air conditioner.

When you press the button, noise may be heard that the air conditioner sense the airflow blade.

Water drops from the outdoor unit connection part.

Water may form due to the difference of the temperature.

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