Cleaning and Maintenance

Troubleshooting

If the air conditioner operates abnormally, refer to the following chart to save time and unnecessary expenses.

Problem

Solution

 

 

 

• Check the power status, then operate the air conditioner again.

 

• Switch on the circuit breaker, plug in the power cord, then operate the air

The air conditioner does

conditioner again.

not work at all.

• Make sure that the isolator is turned on.

 

• Check whether the Timed off function is running. Operate the air

 

conditioner again by pressing the Power button.

 

 

I cannot change the

• Check whether the Fan or Fast mode is running. In these modes, the air

conditioner controls the set temperature automatically, and you cannot

temperature.

change the set temperature.

 

 

 

 

• Check whether the set temperature is higher in the Cool mode or lower

 

in the Heat mode than the current temperature. Press the Temperature

 

button on the remote control to change the set temperature.

 

• Check whether the air filter is blocked with dirt. If the air filter is blocked,

 

the cooling and heating performance may decrease. Remove dirt regularly.

 

• Check whether the outdoor unit is covered or installed near obstacles.

 

Remove the coverings and obstacles.

 

• Check whether the air conditioner is running the defrost function. When ice

Cool or warm air does

forms in winter or the outdoor temperature is too low, the air conditioner

not come out of the air

runs the defrost function automatically. While this function is running, the

conditioner.

indoor fan stops and warm air does not come out.

 

• Check whether doors or windows are open. This may cause poor cooling or

 

heating performance. Close the doors and windows.

 

• Check whether the air conditioner is turned on immediately after the

 

cooling or heating operation stops. In this case, only the fan runs to protect

 

the outdoor unit compressor.

 

• Check whether the pipe length is too long. When the pipe length exceeds

 

the maximum pipe length, the cooling and heating performance may

 

decrease.

 

 

I cannot change the air flow

• Check whether the good'sleep function is running. While this function is

running, you cannot control the air flow direction. (But you can control the

direction.

air flow direction if this function is running in the Heat mode.)

 

 

 

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Samsung AR18KPFNDWK/SG, AR24KPFNDWKNSG, AR18KPFNDWKXSG, AR18KPFNDWKNSG, AR12KPFNDWKNSG, AR12KPFNDWK/SG manual Troubleshooting

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