Why does the air conditioner only operate as a fan? 5 reasons why.

Air conditioners are an essential part of our daily lives, providing comfort during the summer months. They cool and purify the air, helping to improve indoor air quality and create a suitable living and working environment.

Despite the diversity of air conditioner manufacturers, common malfunctions include refrigerant leaks, clogged air filters, and sometimes electrical component problems. Regular maintenance and cleaning of your air conditioner is essential to maintain its optimal performance.

Why does the air conditioner only have a fan? Reasons why it stops cooling

Some people wonder why The air conditioner is running as a fan. Only you have reasons why it stops cooling as follows:

1. Freon gas depletion

Freon acts as a heat medium that is circulated within the unit to transfer heat and cool the air.
When there is a shortage or depletion of Freon, the performance of the air conditioner is greatly affected.
When the Freon level in the system gets low, it can reduce the system's ability to cool the air effectively.
The air conditioner starts working mainly by running the fan to circulate the air, but it will not be able to provide the required cooling.

2. Damage to the electrical circuit

The reason why the air conditioner is not receiving electricity could be a fault or damage to the electrical connection.
This damage may cause the electrical power to be improperly connected to the air conditioner, resulting in only the fan operating. There may be various reasons for electrical connection damage, such as corrosion, broken wires, or improper connection.
To solve this problem, the electrical connection should be carefully inspected to determine the location of the damage and repair it.

3. Air filter blockage

Over time, dust and dirt accumulate on the surface of the filter, gradually clogging it. When the filter is clogged, air cannot flow freely through it.
It may reduce the efficiency of the air conditioning system, and the air conditioner may only operate by running the fan without cooling the air.
To overcome this problem, the air filter should be cleaned or replaced regularly. Some types of filters can be cleaned and reused, while old filters may require replacing with new ones.

4. Heat in the outdoor unit

When the outdoor unit is placed in an area exposed to direct sunlight, it can significantly affect the performance of the air conditioner.
The outdoor unit cools the hot air coming from inside the building, and if it is exposed to direct sunlight, it may negatively affect the cooling process.
When the outdoor unit is exposed to direct sunlight, it can have difficulty cooling the air effectively. This results in the unit and the surrounding air becoming hotter.

5. Lack of lubricating oils

A decrease in lubricating oils in the moving parts of the air conditioner can significantly affect its performance.
If there is a decrease in lubricating oils, this may lead to increased friction and increased temperature of moving parts, affecting the air conditioner's ability to cool the air effectively.
To solve this problem, it is necessary to perform periodic maintenance on the air conditioner, including regular inspection and lubrication of moving parts.

The reason for the air conditioner to stop suddenly

The reasons for sudden air conditioning shutdown are as follows:

  • If the thermostat is battery operated, make sure the batteries do not need to be replaced.
  • If it is mains powered, make sure it is properly connected and receiving adequate power.
  • Try setting the thermostat to the cool setting and make sure it turns on the air conditioner.

The air conditioner fan turns on and off

  • There is a problem with the controls such as the thermostat that controls the compressor and fan on and off.
  • If your unit turns on and off frequently, it may be an indication of a hardware problem.
  • The condenser is another important part of the air conditioning system that cools the hot Freon and turns it into a liquid state.

How to check the air conditioner fan

Here are some ways to check your air conditioner fan:

  • Inspect the fan in general, make sure it is not bent or broken, and that its blades are intact.
  • You should also check for any signs of wear or damage caused by factors such as humidity.
  • Use your hand to gently push the fan.
  • It should rotate smoothly and without any unusual resistance.
  • When the fan is running, check for abnormal vibrations or unusual sounds.

The air conditioner does not cool during the day

There are several reasons why the air conditioner may not be cooling during the day, including:

  • During hot periods of the day, the heat load on the cooling system increases.
  • The air conditioner may not be able to handle the increased load, causing it to not cool the air adequately.
  • Refrigerant leakage from the system may reduce cooling efficiency.
  • Refrigerant pressure affects the performance of the air conditioner.

Why is the car fan making a loud noise?

  • Various components of the cooling system, such as bearings, may cause abnormal noises.
  • If the cooling fan is running at a higher speed than usual, it may be due to an overheating of the engine.
  • When there is damage to the fan blades or support base, it may generate abnormal noises when operating.

Can the air conditioner fan operate only without the compressor?

  • The fan may run without the compressor running, which compresses and cools the air.
  • This allows for energy savings and the electric motor to be kept cool.
  • The advantage of using this mode is that it reduces the excess power consumption resulting from the operation of the compressor.
  • When setting low temperatures for cooling, an acceptable temperature is maintained.

car air conditioner fan

For it to work properly you must do the following:

  • Make sure the filter in your air conditioner is not clogged with dirt and dust.
  • Check that the air conditioner's refrigerator is not abnormally frozen.
  • Try running the fan at several speeds.

How do I know if the air conditioner needs gas?

  • Connect a low pressure gauge to the air conditioner and measure the pressure in the low circuit.
  • If the pressure reading is lower than the required pressure for the specified conditions, this may indicate a low level of Freon.
  • Measure the electrical current passing through the cables connecting the outdoor unit compressor to the indoor unit using a clamp meter.

How do I know if the air conditioner needs charging?

  • It may indicate a low level of Freon in the air conditioner.
  • The air passing through the evaporator of the indoor unit is usually cooled by Freon.
  • The hot air is then expelled to the outside through the outdoor unit's outdoor fan.
  • If there is a deficiency in the Freon level, this may lead to a reduction in the efficiency of cooling the air passing through the evaporator.

Using the fan-only mode may prove to be a smart choice for maintaining system efficiency and reducing energy consumption. This mode reduces the strain on the compressor, resulting in reduced excess energy consumption, which is most evident when setting temperatures to lower levels.

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