What s going on when the air conditioner isn t heating, what s going on when the air conditioner isn

There may be several factors for an air conditioner not heating up:

1.There is too much dust on the air conditioner, which affects the heating of the air conditioner. Regular cleaning is sufficient.

2.There is a lack of fluorine in the air conditioner, so you can ask a professional to come to your door and add freon.

3.The power supply voltage connected to the air conditioner is unstable, change to a good socket, and then turn on the heating effect of the air conditioner.

4.The outdoor temperature is too low, the outdoor unit of the air conditioner will frost, and the first few minutes of turning on the heating effect, the air conditioner has been defrosting the operation, which makes people misunderstand that the air conditioner does not heat. At this time, it is enough to wait for a while.

5.The size of the house also has a certain relationship with whether the air conditioner heats or not. The house is too big, the heating effect of the air conditioner is not very good, and the temperature felt by the human body is not obvious, so it will be considered that the air conditioner is not heating.

As we all know, if an air conditioner wants to play an absolute role, it cannot be turned on with its compressor and refrigerant. However, when the air conditioner is cooling, you may feel the effect at once, but if you want to heat it, it is different. Because of the operating principle of the air conditioner, even if the outdoor air is pumped into the machine, and then the temperature is converted, and if the outdoor temperature is very low, this process will take a very long time, so when the air conditioner is heating, it may not have hot air immediately, but need to wait for a while.

Therefore, after the air conditioner is heating and running, you can turn on it for a period of time, and sometimes it is normal to blow cold air in front, it may not mean that the wind is blowing out of absolute cold air, but the human body feels that the wind is not very hot, and see if the wind is slowly becoming hotter. If the cold air is still blowing after blowing for a while, then the refrigerant inside the air conditioner may be insufficient. Because the heating of the air conditioner also needs to use the part of the refrigerant that can be heated, and if the refrigerant is insufficient, the temperature of the air conditioner cannot be adjusted, so that hot air cannot be generated.

In addition, it is necessary to see if it is a problem with the compressor, if the refrigerant of the air conditioner is sufficient, and the compressor is not running, the refrigerant will not work, and when the air conditioner is running, it is simply pumping air from the outside and blowing in, so it is just a simple fan.

The heating effect of the air conditioner is not good, and there are the following reasons.

The reason is that the air filter has accumulated too much dust, and the air vent of the inner and outer units is blocked by foreign objects. The function of the filter is to adsorb the dust in the air, if the accumulated dust is too much and not cleaned in time, the air circulation will be blocked, resulting in a decrease in the air outlet volume, so that the heat in the machine can not be brought out by the active air in time, resulting in insufficient heat production, this is not a fault, it belongs to the maintenance of the air conditioner, just take off the air filter regularly to clean, it can be restored to normal.

Fluoride deficiency. At present, most of my friends use heat pump type or heat pump plus auxiliary electric heating type air conditioner. The working principle of these two air conditioners is that when the freon evaporates, it absorbs heat from the outside air, and when the outdoor temperature is low, the temperature difference with the evaporation temperature of the freon is smaller, and the heat exchange effect becomes worse, and the hot air is less.

Therefore, if it is an old model, the service life is longer, the wear of the compressor is larger, and when the outdoor temperature is below 0, the heating effect of the air conditioner is difficult to satisfy. In addition, if the nut at the copper pipe horn is not tightened during the installation of the air conditioner in your home, or the machine has been moved, it can be considered as a lack of fluorine. In addition to this, line control failures are also common.

For example, if the external unit is not working, it is most likely due to capacitors, temperature probes or motherboard failures.

Faults on the four-way solenoid valve or its control circuit, or the AC contactor, thermostat and over-temperature fuse of the electric heater and its power supply circuit.

Hello Answer! In addition, in winter, the ambient temperature is lower than minus 5 degrees, and the air conditioner can not effectively heat, and secondly, the refrigerant of the air conditioner is insufficient, resulting in a decrease in heat exchange efficiency, and the air conditioner will not heat the air conditioner if it is insufficient.

Question: My air conditioner, heating and refrigeration do not rotate.

1. The indoor unit of the air conditioner does not have electricity to the outward unit, so the outdoor unit does not rotate;

2. Indoor, outdoor and signal lines are not connected, short circuit or open circuit;

3. The starting capacitor capacity of the compressor of the outdoor unit of the air conditioner is not enough or the drum is blown out and other reasons;

4. If your fan does not rotate, if it does not rotate, see if the external fan has electricity coming over, if so, you are looking at the capacitance of the external fan, if it is good, you are looking at whether the motor is bad (detect with a multimeter) If your fan does not turn the compressor to work, after a long time, the thermal protection of the external unit of the air conditioner will also shut down, and the internal machine will not blow the cold air out;

5. The compressor of the outdoor unit is broken (measure the resistance of the three piles of the compressor with a multimeter to know whether it is normal, whether it is short-circuited to the ground, and whether the compressor is locked and cannot be rotated.) ）

Ask how much it will cost if you fix it.

The main reasons are: 1. The lack of refrigerant in the air conditioner will lead to the deterioration of the heating effect of the air conditioner, which will appear in the air conditioner that has been used for a long time. 2. When the temperature difference between indoor and outdoor is too large, it will affect the heating effect of the air conditioner, and it may also cause the air conditioner not to heat. 3. The reason why the air conditioner does not heat may be that the air conditioner filter has too much dust, which causes the heat sink to not work normally.

Suggested treatment: 1. When the refrigerant of the air conditioner is insufficient, it will lead to the deterioration of the heating effect of the air conditioner, add refrigerant to the air conditioner, and check whether the air conditioning refrigerant is leaking at the same time, and find it in time to solve it. 2. When the temperature difference between indoor and outdoor is relatively large, it will lead to the poor heating effect of the air conditioner, if the outdoor temperature is lower than zero degrees Celsius, the outdoor unit of Haier air conditioner will be frosted, at this time, when the user turns on the air conditioner for heating, the outdoor unit will take about 8-12 minutes to "defrost", some users will think that the heating effect of the air conditioner is not ideal, the solution is to turn on the air conditioner for a longer time, when the frost is removed, the indoor temperature will rise slowly.

3. Too much dust in the filter of the air conditioner will cause the radiator to fail to work normally, and the air conditioner will not heat up, which requires us to clean the dust part of the air conditioner, and clean it to improve the heating problem of the air conditioner, and it is also recommended that the air conditioner should be cleaned regularly to ensure the service life of the air conditioner.

1. The outdoor temperature is too low.

The outdoor temperature is too low to cause the air conditioner to not work normally, generally the outdoor is below zero, and the outdoor of the inverter air conditioner is about minus 15 degrees Celsius can no longer heat normally, so it may be that the outdoor is too low, the air conditioner cannot defrost, and the air conditioner cannot heat.

Solution: Use a tool to clean the frost on the air conditioner to solve the problem that the air conditioner does not heat.

2. Air leakage from the four-way valve of the air conditioner.

A four-way valve, the term for a hydraulic valve, is a control valve with four oil ports. The four-way valve is an indispensable part in the refrigeration equipment, and the working principle of its cover is that when the solenoid valve coil is in a power-off state, the pilot slide valve moves left under the drive of the compression spring on the right side, and the high-pressure gas enters the capillary tube and enters the piston cavity at the right end, on the other hand, the gas of the piston cavity at the left end is discharged, due to the pressure difference at both ends of the piston, the piston and the main spool valve move to the left, so that the exhaust pipe is connected with the outdoor unit pipe, and the other two pipes are connected to form a refrigeration cycle.

Solution: Replace the four-way valve to solve the problem of air conditioning not heating.

3. Lack of fluoride in the air conditioner.

The lack of fluorine in the air conditioner not only cannot refrigerate, but also causes the heating effect. At present, most air conditioners are heat pump type or heat pump plus auxiliary electric heating type air conditioners, and the working principle of these two air conditioners is not to use Freon to absorb heat from the outside air when evaporating, if the lack of fluoride will cause it to be unable to absorb heat, and it will not work normally.

Solution: Ask the professional of the air conditioning maintenance network to add fluoride to solve the problem that the air conditioner does not heat.

4. There is a problem with the capillary or check valve of the air conditioner.

Capillary, capillary network simulates the mechanism of leaf veins and human capillaries, and consists of a capillary with an outer diameter of about the wall thickness and an outer diameter of 20mm (wall thickness of 2mm or 2mm) of the main pipe for water supply and return.

Check valves, also known as check valves or check valves. It is used in hydraulic systems to prevent the reverse flow of oil or in pneumatic systems to prevent the reverse flow of compressed air.

Solution: Replace the capillary tube or check valve to solve the problem of air conditioning not heating.

5. Insufficient heating capacity.

The air filter of the air conditioner has accumulated too much dust, and the vents of the internal and external units are blocked by foreign objects. The function of the filter screen is to adsorb the dust in the air, if the dust accumulates too much and does not clean it in time, it will block the air circulation, thereby reducing the air outlet volume, resulting in the heat production in the machine can not be brought out by the flowing air in time, resulting in insufficient heat production.

Solution: Clean the filter screen to solve the problem that the air conditioner does not heat.

1.The air conditioner heated up for a long time and nothing happened. Reason 1, lack of freon.

Heating and refrigeration of air conditioners require freon heat transfer. Many people only know that air conditioners need freon refrigeration. In fact, heating is also a must.

The air conditioner has been used for more than five years, probably because the freon is insufficient, and the air conditioner has not responded to heating for half a day. This reason is easy to solve. Find a professional aircon maintenance master to add some freon to the aircon and then try to heat it.

2.The air conditioner heated up for a long time and nothing happened. The second reason is that the outdoor temperature is too low.

If the temperature difference between indoor and outdoor exceeds 15 degrees, the operation effect of the air conditioner will be limited, and there will be a situation where the air conditioner does not respond to heating for a long time. In fact, it is not that the air conditioner has stopped heating, but that the sense of the set temperature is not warm enough, so it is more difficult for the air conditioner to heat itself than to cool it, so it is difficult for the air temperature below 5 degrees to reach the set temperature above 20 degrees. If it is not caused by temperature, check the air conditioner for other faults.

3.The air conditioner heated up for a long time and nothing happened. Reason three:

The air conditioner broke down. If the air conditioner adds freon, the temperature difference between indoor and outdoor is not particularly large, and there will still be no response when the air conditioner heats up for a long time. It is necessary to consider whether the air conditioner itself is faulty, such as the interior is blocked by clothes, or there are some problems with the compressor or high-end control system, etc.

In this case, you only need to contact the after-sales air conditioner for on-site maintenance, and it can be restored to normal after troubleshooting. If it is a new air conditioner, there is no additional cost for basic maintenance.

Summary. The reasons why the air conditioner does not heat are as follows: 1. The temperature difference between indoor and outdoor is too large, resulting in the heating effect of the air conditioner is not obvious.

2. At this time, it is recommended to turn on the air conditioner for a longer time and wait for a while. 3. The air filter of the air conditioner is used for too long, or there is too much dust on the air filter, which will also lead to the heating effect is not obvious. 4. At this time, it is recommended to clean or replace the air filter.

5. Improper use and maintenance of the air conditioner will also lead to poor heating performance of the air conditioner, so it is recommended to clean and maintain the air conditioner regularly. 6. Fluorine is the most important element of air conditioning, and the lack of fluorine will also cause the air conditioner to not heat, so you can ask professionals to add fluoride to the air conditioner.

The reasons why the air conditioner does not heat are as follows: 1. The temperature difference between indoor and outdoor is too large, resulting in the heating effect of the air conditioner is not obvious. 2. At this time, it is recommended to turn on the air conditioner for a longer time and wait for a while.

3. When the air filter of the air conditioner is used, the interskin is too long, or there is too much dust on the air filter, which will also lead to the heating effect is not obvious. 4. At this time, it is recommended to clean or replace the air filter. 5. Improper use and maintenance of the air conditioner will also lead to poor heating performance of the air conditioner, so it is recommended to clean and maintain the air conditioner regularly.

6. Fluorine is the most important element of air conditioning, and the lack of fluorine will also cause the air conditioner to not heat, so you can ask professionals to add fluoride to the air conditioner.

This will make our bodies healthier and our lives happier.

Summary. 1. The reason why the air conditioner does not heat - lack of fluorine in the air conditioner The lack of fluorine in the air conditioner not only cannot refrigerate, but also causes the heating effect. At present, most air conditioners are heat pump type or heat pump plus auxiliary electric heating type air conditioners, both of which work on the principle of using freon to absorb heat from the outside air when evaporating, if the lack of fluorine will cause the inability to absorb heat, it will not work normally.

Second, the reason why the air conditioner does not heat - the outdoor temperature is too low The outdoor temperature is too low to cause the air conditioner to not work normally, generally the outdoor is below zero, and the outdoor of the inverter air conditioner can not heat normally at about minus 15 degrees, so it may be that the outdoor is too low, the air conditioner cannot be frosted, and the air conditioner cannot heat. 3. The reason why the air conditioner does not heat - there is dust on the filter screen The air filter of the air conditioner has too much dust, and the vents of the internal and external units are blocked by foreign objects. The function of the filter is to adsorb the dust in the air, if the dust is too much and not cleaned in time, the air circulation will be blocked, resulting in the reduction of the air outlet volume, resulting in the heat production in the machine can not be brought out by the flowing air in time, resulting in insufficient heat production.

There are many reasons why the air conditioner does not heat, such as the outside temperature is too low, the lack of refrigerant, etc., the specific situation is as follows<>

1. The reason why the air conditioner does not heat - lack of fluorine in the air conditioner The lack of fluorine in the air conditioner not only cannot refrigerate, but also causes the heating effect. At present, most air conditioners are heat pump type or heat pump plus auxiliary electric heating type air conditioners, both of which work on the principle of using freon to absorb heat from the outside air when evaporating, if the lack of fluorine will cause the inability to absorb heat, it will not work normally. Second, the reason why the air conditioner does not heat - the outdoor temperature is too low The outdoor temperature is too low to cause the air conditioner to not work normally, generally the outdoor is below zero, and the outdoor inverter air conditioner can not heat normally at about minus 15 degrees, so it may be that the outdoor is too low, the air conditioner cannot defrost the liquid stupid, and the air conditioner cannot heat.

3. The reason why the air conditioner does not heat - there is dust on the filter screen The air filter of the air conditioner has too much dust, and the vents of the internal and external units are blocked by foreign objects. The function of the filter screen is to adsorb the dust in the air, if the dust is too much and not cleaned in time, the air circulation will be blocked, resulting in the reduction of the air outlet volume, resulting in the heat in the machine can not be brought out by the flowing air in time, resulting in insufficient heat in the burying search.

Fourth, the reason why the air conditioner does not heat - there is a problem with the capillary or check valve Capillary tube: The capillary network simulates the mechanism of leaf veins and human capillaries, and is composed of capillaries and water supply and return trunk pipes to form a pipe sliding hand network. Check Valve:

Also called check valve or check valve, it is used in hydraulic systems to prevent oil flow in the opposite direction, or in pneumatic systems to prevent compressed air from flowing in the opposite direction.

Dear, there are several reasons why the air conditioner does not heat <>

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