Troubleshooting

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

PROBLEMSOLUTION
The air

• Check power status and then operate the air conditioner

conditioner does

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

adjustment is not

modes, desired temperature is set to auto and you cannot

working.

adjust the temperature.

 

 

Cool/Warm air

• Check if the set temperature is higher(during Cool mode)/

does not come

lower(during Heat mode) than the current temperature.

out of the air

Press the Temp + or - button on the remote controller to

conditioner.

change 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.

 

 

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