Reasons and solutions for air conditioning cabinets not heating?

If there is no freon in the air conditioner, it will not absorb heat, resulting in a worse exchange effect and less hot air. Therefore, you can add fluoride to the space, and if you don't know how to add it, you can ask a professional maintenance master to add fluoride.

In cold weather, the only way to heat the south is to rely on air conditioning, unless the home is equipped with underfloor heating. But at this critical moment, many people found that the air conditioner at home was not heating, which could freeze the baby to death. Maybe the first thing you think is that the freon may run out, but in fact, there are at least 6 reasons why the air conditioner does not heat, and it is better to find the reason for the problem.

Let's talk about the six reasons why the air conditioner does not heat, and the corresponding solutions.

1. Reason why the air conditioner does not heat 1: The capillary or check valve of the air conditioner has a problem capillary: the capillary network simulates the mechanism of leaf veins and human capillaries, and the capillary pipe with an outer diameter of 20mm (wall thickness of 2mm or the main pipe of water supply and return constitutes a pipe network.

Check valve: also known as check valve or check valve. 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.

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 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.

3. The reason why the air conditioner does not heat up: the four-way valve of the air conditioner leaks.

Four-way valve: A hydraulic valve term that is a control valve with four oil ports. Four-way valve is an indispensable part in refrigeration equipment, its working principle is, 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 connection, 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.

Fourth, the reason why the air conditioner does not heat: there is dust in the filter screen, so that the heat in the machine cannot be brought out by the flowing air in time, resulting in insufficient heat production.

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 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.

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

5. The reason why the air conditioner does not heat: the 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.

Solution: Ask a professional to add fluoride to solve the problem that the air conditioner does not heat.

1. If the outdoor temperature is too low, the air conditioner will not work normally, if the outdoor temperature is too low, the air conditioner cannot defrost, and the air conditioner cannot heat. In this case, you should need to use a tool to clean the frost from the air conditioner.

Second, one situation is that the voltage is insufficient, and the insufficient voltage will also affect the heating effect of the air conditioner. At this time, you can buy a power regulator, which can solve the reason for the insufficient voltage of the air conditioner.

3. There is also a possibility that the air conditioner air filter has too much dust and the vent is blocked by foreign objects, and the filter screen accumulates too much dust and does not clean it in time will block the air circulation.

If the above methods still cannot solve the problem of air conditioning effect heating, it is recommended that you find a professional maintenance master for maintenance to prevent unnecessary danger.

I hope my answer will help you.

There are four main reasons why the air conditioner does not heat: the first is that the filter screen is dusty, and the solution is to clean the filter regularly; The second is that the capillary or check valve of the air conditioner is broken, and the solution is to replace the capillary or check valve with a new one; The third is that the outdoor temperature is too low, and the solution is to clean up the frost on the air conditioner; The fourth is the lack of fluoride in the air conditioner, and the solution is to add fluoride.

I just finished asking the question.

Answer: The filter will inevitably be stained with a lot of dust after being used for a long time, which can easily lead to the heat in the air conditioner being unable to be discharged in time, resulting in the air conditioner not heating. To do this, you need to clean the vents of dust and foreign objects in a timely manner, if they are not cleaned in time, the air output will be reduced and the heat will not be generated. Cleaning the filter regularly will help unclog the vents so that the air conditioner can heat properly.

The questions are cleared.

Answer: If there is a question about the capillary or check valve of the air conditioner, it is similar to the capillaries of the human body, and is mainly made of a capillary with an outer diameter of 5 mm and a water supply circuit with an outer diameter of 20 mm. The check valve is mainly due to the prevention of reverse flow of oil flow and reverse flow of air. If there is a problem with these two, the air conditioner will not be able to heat up.

Replace the capillary or check valve so that the air conditioner can heat up properly.

The low outdoor temperature will also affect the normal use of the air conditioner. Normally, if the outside temperature is too low, the indoor air conditioner will not be able to heat up, because the air conditioner will not be able to defrost in this case. Use a special appliance to clean the frost from the air conditioner, so that the heat can be used normally.

The questions are all cleaned up.

0 degrees outdoors. Answer: If the doors and windows are not closed when the air conditioner is heating, or if the cold air enters the room due to frequent entry and exit of the room, it will also affect the heating effect of the air conditioner. In addition, when the air conditioner is in use, the air outlet should not be blocked by obstacles, otherwise the heating effect will also be affected. If it is caused by the above reasons, pay attention to closing the doors and windows when using, and do not block the air outlet.

When the outside temperature drops below freezing, frost will form on the outdoor unit of the air conditioner. At this time, when the user turns on the air conditioner for heating, it takes about 8-12 minutes to "defrost", the room temperature may decrease, and the outdoor temperature is below -5 degrees, which will affect the heating effect of the air conditioner. The lower the outdoor temperature, the worse the heating effect of the air conditioner, which is caused by the external ambient temperature and cannot be effectively solved.

If all are cleaned up. It's caused by the outside temperature.

If none of the above is true, you have to call the after-sales service for maintenance.

The reasons why the air conditioner does not heat are the lack of refrigerant, the four-way valve is broken and does not work, and the compressor is broken and can not be heated.

The principle that the air conditioner does not heat is that there are many faults, but if you want to find the cause of the failure, you have to see the food of this air conditioner to check out, such as whether there is a problem with the compressor, and there is a problem with his circuit board. So you should find a professional person to go to the site to repair and let him check and inspect. can appear.

The difference is faulty.

There are many reasons why air conditioners do not heat, and the most basic reason why air conditioners do not heat is the lack of fluoride pleiades, and it is best to ask professionals to test and repair.

What should I do if the air conditioner is turned on and it is not warm?

There are many reasons why <> is easy to cause the air conditioner not to heat, the air conditioner does not heat is not completely caused by the failure of the internal parts of the air conditioner, and some external reasons will also lead to the appearance of the air conditioner not heating.

Reason 1: The air conditioner has not been cleaned for a long time.

There is too much dust inside the air conditioner, which affects the heat dissipation effect of the air conditioner, or because the air vents inside and outside the air conditioner are blocked because of too much dust, then the air conditioner will have insufficient heat supply and no heating.

Maintenance method: the air conditioner also needs to be cleaned regularly when in use, in the process of air conditioning cleaning, the main cleaning parts are the air conditioner filter, radiator, condenser and other components, and at the same time, it is also necessary to check the vent in time to ensure the smooth flow of the vent, so that the air conditioner heat dissipation effect will be better.

Reason 2: Insufficient refrigerant for air conditioning.

Air conditioning refrigerant plays a very large role in the whole refrigeration and heating process, and when the air conditioning refrigerant is insufficient, it will directly affect the effect of air conditioning and refrigeration.

Maintenance method: In the case of insufficient refrigerant of the air conditioner, you should first check whether the air conditioner has refrigerant leakage, and at the same time find out the leakage point and repair it completely before adding refrigerant. If the refrigerant alone is insufficient, then re-adding the refrigerant to the air conditioner can eliminate the problem.

Reason 3: The capillaries or check valves of the air conditioner are faulty.

The failure of capillaries and check valves is also one of the reasons why the air conditioner does not heat, and the role of the check valve of the air conditioner in the operation process is mainly to prevent the reverse flow of oil in the hydraulic system.

Maintenance method: If the air conditioner capillary or check valve is faulty, what we can do at this time is to replace it, and the situation that the air conditioner does not heat up after replacing the faulty parts can be solved.

Reason 4: The power supply voltage of the air conditioner is unstable.

When the power supply voltage is higher or lower than the operating voltage of the air conditioner, it will cause the air conditioner to start abnormally, and the heating effect of the air conditioner will also be affected.

Solution: When using the air conditioner, you can try to avoid the peak period of electricity consumption, or install a voltage regulator directly at home, so that the air conditioner is not easy to encounter voltage instability during operation, so that the air conditioner can also operate normally.

Reason 5: The outdoor ambient temperature is too low.

The outdoor environment is also one of the reasons why the air conditioner does not heat, and the starting temperature of the air conditioner in winter also has certain requirements, when the outdoor ambient temperature is lower than the starting temperature of the air conditioner, the air conditioner will not start and do not heat.

Solution: During the operation of the air conditioner in winter, it will take a certain amount of time to defrost, during the period of defrosting, the air conditioner will not have hot air blowing out, and after the air conditioning defrost work is completed, it can be refrigerated normally, so when using the air conditioner in winter, we need to wait patiently for a period of time.

Hello, glad to have your question. Reasons and solutions for air conditioners not heating:1

There is a problem with the air conditioner's capillary or check valve. It is recommended to replace the capillary or check valve. 2.

The outside temperature is too low. If the air conditioner cannot be frosted at a few degrees below zero, it is recommended to use tools to clean the frost and snow on the air conditioner. 3.

The four-way valve of the air conditioner is leaking, and it is recommended to replace the four-way valve. 4.If there is dust on the filter screen, too much dust on the air filter, and the vents of the inner and outer units are blocked by foreign objects, all of them can be dredged.

Generally speaking, the heating effect of air conditioners is not good, partly because the air filter 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 accumulated 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 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.

In addition, if the ambient temperature is too low during heating, the energy efficiency ratio of the air conditioner will also be reduced, and the heating effect is not ideal, which is also a normal phenomenon. Therefore, experts suggest that it is best to choose electric heating for air conditioners.

It can be called a failure, and the lack of fluorine is one of them. If your air conditioner has been used for 3 years, the nut at the copper pipe horn was not tightened during installation, or the machine has been moved, this factor can be considered.

Is your air conditioner newly installed or a few years old? If you install it newly, you have to see if the number of air conditioners can bring up the size of your house, if it has been used for several years, if you can heat it before, it is estimated that it is a lack of fluorine. No matter what kind of problem it is, it is best to find an after-sales service to test it for you to see how much the temperature of the air outlet can reach, and it is generally normal to have more than 50 degrees.

There are many reasons, it may be fluorine leakage, bad electric heating, compressor problems, four-way valves, etc.! It is recommended to find a professional master。。 Hope.

The reasons why the air conditioner of the <> cabinet does not heat: 1. The lack of refrigerant leads to the decline of the heat exchange capacity of the air conditioner. 2. When the heat pump is heating, the evaporator frosts, and the defrosting program cannot be started, which affects the heat exchange efficiency of air conditioner heating, resulting in insufficient heat production and even shutdown.

3. The vents of the inner and outer units of the air conditioner are blocked by foreign objects, resulting in a decrease in the air outlet volume and insufficient heating capacity.

This answer is applicable to most brands of air conditioners such as Gree, Midea, and Haier.