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Why air conditioner doesn't cool?

Air conditioners, which are systems that provide air conditioning for rooms of various sizes; they keep the air in rooms at the desired temperature, humidity, air circulation, cleanliness and freshness. In addition, air conditioners cool the indoor environment by removing excess heat from the living space, i.e. the indoor environment in summer. Meanwhile, excess moisture is removed from the air, air circulation is ensured at the required speed inside and the air is filtered. However, sometimes air conditioners are unable to perform these tasks and keep them under control. The cooling and cooling function, which is one of the most important purposes of air conditioners, sometimes cannot be used. In such situations, there is a problem or malfunction in the air conditioner. If your air conditioner is not cooling and you are wondering why your air conditioner is not cooling, you can find answers to all your questions by browsing our article.



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Why air conditioner doesn't cool?

Especially on hot summer days, cooling problems in the air conditioners we use for cooling can be very irritating. In fact, there is more than one answer to the question of why your air conditioner is not cooling. Possible reasons why the air conditioner does not cool can be listed as follows:


  • If you are wondering why it is not cooling, it is worth checking the device controls first. The air conditioner may not be able to perform its cooling function because the remote control is damaged or faulty. If the control fails, the problem can be solved by replacing it.

  • One of the answers to the question why the air conditioner is not cooling may be a lack or excess of air conditioning gas. The nanometer is used to measure air conditioning gas. Air conditioning gas should be measured by nanometer, if there is a shortage of gas, the gas is pumped into the device, and if it is high, the excess gas is taken out.

  • One of the reasons why your air conditioner does not cool is a compressor failure. Therefore, you should check whether the compressor is not working properly and replace it if it is damaged.

  • If the air conditioner does not cool, check the fan of the indoor and outdoor units. If there is a problem with the fans, take necessary action.

  • If there is a crush or leak in the pipeline, the air conditioner will run out of gas. In this case, the air conditioner does not cool. No matter how much gas is pumped into the air conditioner, as long as there is a problem in the pipeline, gas leakage continues and continuous gas pumping is necessary. Therefore, if a fault occurs in the pipeline, you must intervene immediately.

An issue with the air conditioner card can also cause the unit to not cool. Therefore, the card is checked, repaired and, if necessary, replaced.

The unit's fan condenser should be checked and if a problem is noticed, necessary action should be taken.

If your air conditioner is not cooling, one of the things your service technician should do is check the air conditioner's signal cable. If there is a problem with the signal cable, the unit may not cool because it is not reading the signal from the controller. Therefore, it is necessary to replace the signal cable.



What should you do if your air conditioner is not cooling?

If you're wondering why your wall air conditioner isn't cooling, it's probably due to one of the components listed above. If the air conditioner does not cool, we recommend seeking help from an authorized service center. If you're wondering what you can do before service arrives, you can try what we've listed below:


  • If the air conditioner is not cooling, first turn it on by pressing the on/off switch.

  • Select the "cooling" or "snow" symbol on the air conditioning control panel.

  • Then optionally set the cooling level of the air conditioner.

  • Then adjust the fan speed by pressing the "FAN" button. In all air conditioners, the fan speed starts at a low level and increases. Therefore, you can determine the fan level according to your expectations.

  • After completing all these steps, the device will start cooling in an average of 3-5 minutes.

  • If the air conditioner does not cool after following these steps, first check the air inlet of the air conditioner. If the air inlet is blocked by curtains or furniture, open the air inlet by removing these items.

  • If there is a device in the room that heats the environment, remove it.

  • If the windows are open, close them.

  • Finally, make sure your air conditioner controls are working.



What should you do if your air conditioner is not cooling well?

In some malfunction situations, the air conditioner is not cooled sufficiently. If your air conditioner cools but not sufficiently, you can do the following:


  • Check if the air conditioner filters are clean. If your air conditioner filters are not clean, clean them.

  • Make sure the air flow in the air conditioner is turned on. If not, turn it on.

  • Don't neglect annual air conditioner maintenance.

  • Make sure the air conditioner's cooling level is set appropriately (usually 23 degrees).

  • If doors and windows are open, the air conditioner may not cool enough. Therefore, close open windows and doors.

  • Additionally, one of the reasons why your air conditioner doesn't cool enough is if you choose an air conditioner with insufficient capacity for your space. The place where the air conditioner is installed is also important.

  • If your air conditioner is still cooling very little after following all these steps, the unit is low on gas.


If your air conditioner isn't blowing cold air, something may be missing or the unit may have failed. To understand this, you can perform the necessary steps before calling for service. If the problem persists, seek assistance from an authorized service center.





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