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.

Cool or warm air does

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

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

not come out of the air

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

conditioner.

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

• 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 air

flow direction.

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

 

 

 

I cannot change the fan

• When the Auto, Dry, or Fast mode is running or the good'sleep function

is running in the Cool mode, the air conditioner controls the fan speed

speed.

automatically and you cannot change the fan speed.

 

 

 

22English

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Samsung AR18NSFPEWQNEU, AR24NSFPEWQNEU manual Troubleshooting
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AR18NSFPEWQNEU, AR24NSFPEWQNEU specifications

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