The conditioner does not turn on - the reasons. The air conditioning compressor does not turn on

Air conditioning for domestic use is used to optimize the microclimate in apartments and office premises, the area of which is not more than 90 square meters. M. The models of aggregates can be monoblock, two-block and multi-block.

In household air conditioners, buyers pay attention to the presence of a large number of functions, control, heating system and an option to improve the air quality in the room.

Principles of operation of a domestic air conditioner

The domestic air conditioner is able to maintain the set temperature in the room, working in the mode of periodic disconnection and activation. Air is cooled by blowing a powerful jet out of the distribution jalousie. The temperature of the stream is 11 ° C, which is not so safe for human health.

This problem was solved with the advent of innovative inverter units. The new design assumes a smooth temperature adjustment, neutralizes the negative effects of the cold flow, softly changes the speed of the compressor. The technical characteristics of this air conditioner assume a wide range of power supply air.

Air conditioning and ventilation

When you turn on the air conditioner, the fan turns on, but do not confuse these concepts. To maintain a healthy microclimate in the room, it is necessary that fresh air enters it. This provides ventilation. The air conditioner can help with this, but is not able to perform the named function on its own.

Fans operating in outdoor units of the air conditioner do not belong to the ventilation system and fresh air is not supplied to the room.

The stores offer models of air conditioners with a fresh air supply rate of up to 20 cu. M / hour. But this is not enough to maintain a healthy microclimate. If you rely on building standards, then the level should be 60 cubic meters. M / hour per person.

In modern devices, air masses coming from outside are subject to heating or cooling by the system, after which they are fed into the room.

Why the unit does not work

It happens that the air conditioner does not turn on. The first indicator of a malfunction in the operation of the equipment is the absence of a signal from the console.

Check that the unit is connected to the mains. Disconnect it for a period, and then reconnect. The same thing you need to do with the remote. Check that the batteries are not dead.

Causes of malfunction in the air conditioner

The reasons why the air conditioner does not turn on, there are a lot. Sometimes the user can not understand the problem independently.

• The air conditioner does not turn on because of voltage instability in the mains. In our country this is quite an actual problem. Such a factor contributes to the fact that the unit operates smoothly at high temperatures, which causes the insulation to dry out and the breakdowns in the case winding. In the absence of grounding, the air conditioner poses a threat to the life of the user. The ignition of the unit is not excluded.
• Temperature drops can also cause a breakdown. For climatic zones characterized by temperature instability, the devices are made of certain materials that are able to withstand both heating to 100 ° C and cooling to -40 ° C without the presence of parameter degradation, cracking, melting, loss of color, strength and other indicators . Metal parts are also manufactured taking into account the level of expansion from the heat of materials and have the appropriate tolerances and plantings. Such models have a high cost. Air conditioners for tropical and northern countries are produced taking into account the presence of stable temperatures. Their materials endure a cold and hot climate, but the range of possibilities of such an aggregate is not that wide.
• Negative effects of icicles, stones and household garbage, because of which the integrity of the unit is damaged, become the cause of the malfunction. From the houses of the old model sometimes stucco molding, tiles or window cornices. From the balconies, various objects fall.

Why did the compressor fail

Why does not the air conditioning compressor turn on? The failure in its operation is characterized by noise and oil stains on the body. Often the part does not turn on because of refrigerant leakage. The loss of substance provokes cracks in the body, a malfunction in the main, as well as the wear of the gasket from the rubber.

The compressor of the conditioner does not turn on also at easing of a tension belt, deterioration of a gross epiploon, infringement of power supplies and presence of a dirt.

The compressor is called the "heart" of the system. This is an expensive detail. Its construction is very complicated. Compressor failure requires serious troubleshooting.

If the part is noisy, this indicates a malfunction in its system or the wear of the coupling bearing. Noises from the bearing and the compressor are different. The first is heard regardless of the compressor. The second appears when the air conditioner is turned on.

If the fault is detected in time, the compressor can be repaired. If the part is jammed, it must be replaced.

Before installing a new compressor, it is recommended that you understand what caused the breakdown of the old one. In the event of wear products falling into the system, there is a high probability that they will clog up a new part.

Rinse the entire system with a special liquid before installing the compressor. It would be better to disassemble each system separately. Without this purification will not be qualitative.

Diagnosing a malfunction in the electromagnetic clutch

The cause of the compressor malfunction may be the jamming of its electromagnetic clutch. Despite the fact that it is tightly pressed to the pulley, its functionality may be compromised. In this situation, it can be assumed that the piston is faulty. The clutch of the air conditioner does not turn on and if there is insufficient lubrication.

Its repair includes checking the presence of oil in the rotor or the pressure plate. There must be no leakage in the clutch bearing .

Cause of fan failure

Sometimes the fan of the conditioner does not turn on. Why does it break down? Some breakdowns are displayed by the indoor unit panel. It highlights a certain code.

In the event of a malfunction in the fan, the air conditioner does not turn on full power. The unit only functions for a few seconds, and then turns off again. There is an explanation for this:

• Bladed fan blades;
• His motor burned out;
• The capacitor of the electric motor of a detail has failed.

In all three cases, the fan must be completely replaced.

Condensate or water in the air conditioner

This is a fairly common problem. Most often, such a violation is caused by the operation of the unit at low temperatures for cooling.

Be careful, since the water that appears on the indoor unit can turn into an ice cork. If it appeared, the air conditioner does not turn on until warming.

Indoor unit filters are clogged

Often indoor unit filters become clogged. This can affect the operation of the unit negatively. The main symptom of this malfunction is the low level of cooling the room.

This problem is inherent in large cities, in which factories and factories operate. Low quality carpets also have a poor effect on the condition of the filters, since the smallest villi clog them, interfering with optimal functioning.

Neighborhood with other electrical devices

Do not forget that the air conditioner can break when you are near other units. When choosing a device with the appropriate power level for you, note that the load on it significantly increases when the gas stove or electrical appliances are switched on.

What to do in the event of a malfunction in the unit

Why does not the air conditioner turn on? The reasons are not always clear. They will be opened only by an experienced master. In the presence of serious damage it is recommended to consult a specialist.

Independent intervention will only aggravate the matter. Restoration of climate technology requires certain knowledge. In addition, in most cases, without special equipment, the problem is unsolvable.

Advice

To avoid damage to the air conditioner, it is recommended to adhere to a number of certain rules:

• Clean filters once every three weeks. This procedure does not require time and effort. Rinse the parts, dry them and put them back in place. If the filters have not been cleaned for a long period of time, this will lead to overheating of the unit and, as a result, to malfunction in its operation.
• At least once a year and a half, call a specialist for the prophylactic cleaning of the unit.
• Observe the level of freon. A leak is considered normal with an indicator of 6 to 8% per year. Such figures are optimal. The loss of the substance will be observed even if the installation of the air conditioner was carried out at a professional level. The main reason is the connection of the pipeline flaring. Preliminary refueling is carried out to maintain the required Freon volume. The frequency of replenishment of the lost gas is carried out in accordance with the intensity of use of the unit. Usually it is carried out 1-2 times a year.
• Closely monitor the operation of the device in winter. It is not recommended to switch it on when the air temperature is below 0 ° C. In particular, this should not be done in the event that the air conditioner is not equipped with a unit designed for all seasons. An ice-cold drainage pipe causes condensation to become obstructed. As a result, after 30 minutes of operation, water will flow into the room.
• Do not place objects on the air conditioner, do not cover it with a curtain. Such actions are strictly prohibited. When ventilating the room, turn off the device. Drafts contribute to creating an additional load on the unit, which can lead to jamming.
• Do not place the unit on top of cold or heat. Heating and cooling pass gradually, and the limiting mode will lead to an overload of the air conditioner.