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Troubleshooting Guide
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 Dry mode, the fan speed is selected automatically.
The remote control does
not operate.
Check if the battery is discharged. Replace the battery.
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
flashes.
Press the button to turn on the air conditioner again.
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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