What can be cooked from squid: quick and tasty
The main purpose of the air conditioner is to cool the air, but there are times when air conditioner blowing hot air... There are several reasons why the air conditioner can blow warm or hot air.
1. Wrong operating mode selected
The first reason is the simplest. The air conditioner mode switch is in the wrong position. Typically, warm air from the air conditioner is supplied in heating mode, which is indicated by the HEAT icon on the remote control. Switch the air conditioner to COOL mode. It happens that the temperature set on the remote control is too high in relation to the room temperature. In this case, set a lower comfort temperature on the remote control.
2. The air conditioner requires refueling with freon
The second reason is that the compressor (condenser) of the air conditioner is not in good working order, or, which is more often the case, freon has "left" the system. Freon is the gas that is used to fill the air conditioning system. Through microcracks or with defects in the system, freon tends to evaporate and when the pressure of freon in the system drops, the air cannot cool to the desired temperature and, as a result, at the exit air conditioner blows warm air... It is recommended periodically, about 1 time in 2-3 years, to refuel the air conditioner with freon. This event can be combined with cleaning the air conditioner and ordering service of the air conditioner.
3. Low voltage in the mains
The third reason is that the mains voltage is too low, which prevents the A / C compressor from starting. This usually applies to those houses where problems with electricity are traced at regular intervals. The problem may also lie in defects in the inter-unit wiring, which connects the external and indoor unit and air conditioner.
4. Service required
The fourth reason may be the clogging of the heat exchanger and air filter in the indoor unit of the air conditioner. If you do not regularly clean the filters, then in just one and a half to two months, the layer of formed dust reduces the efficiency of the air conditioner by 2-2.5 times. As a result, the refrigerating capacity of the air conditioner is noticeably reduced, and freon is supplied to the compressor not in a gaseous state, as expected, but in a liquid state, which gradually leads to compressor breakdown.
It is better to entrust the solution of such problems to specialists. service center for the maintenance of air conditioners, who will qualitatively carry out the necessary diagnostics and eliminate the identified defects in the operation of the air conditioner, they will figure out why air conditioner blowing warm or stopped blowing the air conditioner.
Blowing from the air conditioner in winter
In winter, it happens that the air conditioner blows cold air. As you know, drainage from the indoor unit is discharged through a tube. If the drainage is diverted to the street, then it is quite possible that sometimes, with certain wind directions, you may feel that blowing from the air conditioner in winter although the air conditioner is off. This is not a malfunction.
The air conditioner blows weakly. Air conditioner blowing badly
There are situations that the air conditioner is not blowing well... In this case, we can recommend that you service the air conditioner by contacting a specialized company. Most likely the filters are clogged and the air flow has decreased, so the air conditioner blows weakly or at all the air conditioner stopped blowing.
How to prevent the air conditioner from blowing?
Pressing the nipple will do nothing, since it will pshik and at low pressure, in the sense that there are two sensors in the system along the high and low pressure and if along the low pressure circuit, the pressure will be less than the allowable one (I don’t remember exactly, but at the rate it should be something like 4.6 - 5.5kgf / cm2, but the minimum limit, well, let it wake up 4kgf / cm2, for example), then the sensor will not allow the clutch to turn on , also along the contour high pressure, if, for example, your radiator is heavily clogged, then the pressure of the frion will increase and when a certain pressure is reached, the sensor turns off the clutch! I personally did this when I had the same problem, first I went to fill it (not with the officers) so that you could see the leak at night and see if the condo would work at all or not! If the clutch works, then everything is normal with the electrical circuits of the kondeya, look further, if the cold air also blows in, then it is generally fine (the approximate difference in air temperature at the outlet of the nozzle in the cabin and on the street, alas, also faded, but ...
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From the vastness of the tyrnet: there is a leak in the system, but it was not immediately possible to find it (it is small enough), then you need to find it by crimping and fix it. To do this, blow gas into the system without turning on the air conditioner, since the gas pressure does not depend on whether there is liquid freon in the system or only gas. Therefore, there is no point in wasting expensive freon, filling the air conditioner completely for crimping - then it will still be released to eliminate the leak. Having blown out the system with gas until it stops, it is very useful to start the engine and warm up the car by turning on the stove, as with drying - this will increase the gas pressure in the system and make it easier to find the leak. Then (if equipped) search for the leak with an electronic leak detector or old-fashioned way- washing suspicious areas with soap suds and watching for bubbles. Unfortunately, the "old-fashioned" method is still more reliable. The problem is that the leak detector, in addition to freon, also reacts to similar substances that are in the car ...
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The first most commonplace, but easily solvable reason for the warm air from the air conditioner - the switch is in the wrong position. This applies to reversible models that can work both for the production of cold and warm air. Make sure the switch is in the position you want. Or the temperature that was set on the remote control is higher than the temperature that was set in the room. The second already significant reason will be a compressor or condenser malfunction, or - the most common cause of condenser malfunctions - freon has flowed out of the system. It is an inert, human-safe gas that fills the air conditioning system. Periodically, once every 2-3 years, the air conditioning system needs to be refilled with freon, which gradually evaporates through microcracks or in case of system defects. When the freon pressure in the system drops, there is nothing to cool the air with - and as a result, it will maintain its temperature at the outlet. The third reason for the absence ...
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The long-awaited cold weather has come!
And immediately there were questions that the air conditioner does not heat, does not heat well, blows cold, not warm, and so on.
I will try to answer most of them.
1) I turn on the air conditioner, for heat, but the fan does not turn on, it does not blow, when I turn it on in the cold, everything is fine
This is a normal situation, the automatic equipment of the air conditioner is programmed in such a way that until the temperature on the pipes of the indoor unit reaches a certain temperature (about 40 degrees C), the fan will not start working.
This time depends on:
The temperature outside the degree of pollution of the air conditioner is how much the air conditioner is charged with freon (the lower from the norm, the longer) The warm-up time is on average 3-5 minutes. Users of the air conditioner, as soon as they see that the fan has not started, frantically begin to press buttons on the remote control, switch to other modes, and so on.
You just need to turn it on in heating mode and wait, if after 10 ...
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The air conditioner does not heat - what to do?
0 votes, 0.00 avg. rating (0% score)
In autumn and spring, the topic is relevant: the air conditioner does not heat. Why is this happening and what to do?
1. There are no complaints about the cooling mode, but the fan does not turn on in heating mode.
The time it takes to reach a certain temperature of the pipes of the indoor unit depends on the outside temperature, on how dirty the air conditioner is and is filled with freon. You need to wait from 3 to 5 minutes, and not immediately panic pressing all the buttons in order to deal with the imaginary malfunction. If after 10 minutes. heating has not started, then the problem does exist.
2. The filter is dirty.
It protects the split system and our lungs from dust and unpleasant odors. It is advisable to take it out once a month and rinse it with warm water.
3. When the heating is turned on, the air conditioner does not react in any way or the indicator starts flashing.
The outdoor temperature must be within the acceptable temperature range required for operation ...
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View full version: problem with the air conditioner, cold air does not blow
Good day,
I have a lagoon 2-2 1.9 diesel
Good day,
the problem is that the compressor turns on, the clutch works, but there is no cold air. Put it at 16 degrees, the air conditioner lamp is on. watched from ddt2000, it shows that the pressure in the system is 5 bar and no change. It seems to me that the compressor has a kirdict. There are no errors in the climate. What do you think?
I have a lagoon 2-2 1.9 diesel
Feel the air conditioning pipes at the entrance to the salon, even if one of them is cold? Has the cabin filter changed for a long time? What is the temperature outside (outside)? And in what mode does the climate work: auto or manual?
Feel the air conditioner pipes at the entrance to ...
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Description of the reasons why the air conditioner blows warm air
The first most commonplace, but easily solvable reason for the warm air from the air conditioner - the switch is in the wrong position. This applies to reversible models that can work both for the production of cold and warm air. Make sure the switch is in the position you want. Or the temperature set on the remote control is higher than the temperature set in the room.
The second already significant reason will be a compressor or condenser malfunction, or - the most common cause of condenser malfunctions - freon has flowed out of the system. It is an inert, human-safe gas that fills the air conditioning system. Periodically, 1 ...
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One of the functions of the air conditioner is to cool the air. But sometimes the device suddenly starts blowing out the same warm stream. There are many reasons why the air conditioner may not cool the air, but blow warm.
Sponsored by the placement of P & G Articles on "Why the air conditioner blows warm air" How to keep warm in the apartment Why the air conditioner drips How to turn on the air conditioner in winter The first most banal, but easily solvable reason for warm air from the air conditioner - the switch is in the wrong position. This applies to reversible models that can work both for the production of cold and warm air. Make sure the switch is in the position you want. Or the temperature set on the remote control is higher than the temperature set in the room.
The second already significant reason will be a compressor or condenser malfunction, or - the most common cause of condenser malfunctions - freon has flowed out of the system. It...
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Why is the air conditioner blowing warm air?
The main purpose of the air conditioner is to cool the air, but there are times when the air conditioner blows hot air. There are several reasons why the air conditioner can blow warm or hot air.
1. Wrong operating mode selected
The first reason is the simplest. The air conditioner mode switch is in the wrong position. Typically, warm air from the air conditioner is supplied in heating mode, which is indicated by the HEAT icon on the remote control. Switch the air conditioner to COOL mode. It happens that the temperature set on the remote control is too high in relation to the room temperature. In this case, set a lower comfort temperature on the remote control.
2. The air conditioner requires refueling with freon
The second reason is that the compressor (condenser) of the air conditioner is not in good working order, or, which is more often the case, freon has "left" the system. Freon is the gas with which the system is filled ...
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The minimum number of headings per article to display content
The principle of operation of the air conditioner for heating
split-system blocks interaction
Most modern split systems can not only cool, but also warm. What is the principle of operation of an air conditioner for heat, and is it different from the cooling process?
Any refrigeration device operating on freon is based on the principle of phase transition of liquids at different pressures and temperatures, that is, the ability of freon to evaporate and condense under appropriate conditions.
When the phase transition temperature is below the values the environment, the refrigerant turns into vapor - it just boils and takes heat from the air. If the phase transition temperature is higher than the temperature values of the air, then the freon is converted into gas, at which it gives off heat back to the environment. Interaction with air goes through heat exchangers –...
The main causes of breakdown and repair options
Ordinary pollution may be the culprit for the air conditioner not blowing cold air. After all, such equipment consists of two blocks. The purpose of the outer part is to cool freon, run air masses through the radiator grill. If it is clogged with dust and dirt, then the air will not pass. In this case, standard cleaning will help, which can be performed by specialists of any service organization.
The next reason is mistakes made when ...
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In order to understand what a greenhouse is, you just need to get into the car on a hot day, after leaving it in the straight lines. sunbeams... Of course, this effect is familiar to every motorist. To solve the problem, some buy a car with a light body, others apply tint to the windows or use special devices to protect the interior from direct sunlight. But in fact, this is difficult to call a real way out of the situation.
The only one correct option- installation of an air conditioner or climate control in the car. Owners of cars with such equipment, as a rule, turn it on immediately after getting into the car. During the first seconds, the air conditioner blows warm air, but sometimes this time is delayed and you already understand that something is not working properly.
The disappointment can be quite serious. Of course, in such cases, you can go to the nearest service station and entrust the repair of the air conditioner to the specialists. But...
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Although in modern models air conditioners and split systems provide a heating mode, yet most users use the equipment only in the summer in the cold. Therefore, the equipment has a downtime. But then the hot time began, you turned on the air conditioner after winter and found that:
- the split system does not cool, but blows with warm air;
- the air conditioner started up, worked and stopped cooling, now the air conditioner is blowing warm, and the temperature in the room does not drop.
We have prepared an article on the reasons why the air conditioner blows but does not cool the air to help you understand the situation and decide whether to call a master.
Does the air conditioner really not cool? We carry out diagnostics
Before looking for problems in a split system, check for external causes that are not related to the equipment. In addition to the cooling capacity of the air conditioner itself, the cooling of the room is affected by:
- Working hours of climatic equipment. Customers often forget that when the air conditioner is turned on, it does not instantly cool the air in the room. For a noticeable decrease in temperature, it takes 10, 15, 20 minutes. Depending on the size of the room, the temperature outside and inside, and the capacity of the split system.
- Correspondence of the split-system power to external parameters. A low-power air conditioner will naturally not be able to significantly cool a spacious room when it is hot outside and the room is very hot. When choosing equipment, it is often overlooked that the load can be peak, and the air conditioner must be taken with a margin of "power".
- Isolation of the room. An air conditioner in an apartment will not cool well if there are "holes in the tightness" of the room: open windows, doors, a working ventilation system. Additional influx of heat from outside or forced outflow of cold air from the room are the reasons that lead to poor cooling.
- "Blocked" air inlet or outlet, another reason. Obstacles in the form of curtains, blinds, furniture interfere with normal air circulation and, as a result, cooling.
If there is enough power, the entrance and exit are free, the windows and doors are closed and enough time has passed, but it has not become cooler, then it is necessary to diagnose the equipment. Simply put, measure the temperature of the air entering and leaving the air conditioner.
The inlet temperature is measured at the air intake grilles. Place the thermometer on the body or hold it in your hand. The output is measured in a stream from the outside or by slightly pushing the thermometer inward through the blinds.
Attention! Do not push the thermometer deep into the housing. It can get caught under the fan blades.
In a working air conditioner, the temperature difference at the "inlet-outlet" is within 7-15 degrees. If you just turned on the air conditioner for maximum cooling, and the difference is less than these values, then your split system does not cool well due to some internal reasons.
In addition, you can check the outlet flow temperature with the nameplate values. Usually, the equipment passport indicates the temperature of the cooling mode at the outlet, for example, 6-14 ° C for non-inverter systems. When turned on, inverters give out the same parameters, and after reaching the set temperature in the room, they slightly raise the output value - up to 12-17 ° C degrees. If the temperature of the outlet flow exceeds the rating, then you should look for a problem inside the air conditioner.
The air conditioner is blowing warm air, what problems can be eliminated by yourself
You can deal with some of the causes of poor cooling yourself. The table summarizes the main ones, and provides recommendations for eliminating equipment failure.
| Sign | Possible reason | How to fix |
| The air conditioner does not cool the room well. | The temperature is set to high in the settings. For fast cooling, it is recommended to select the minimum. And then switch to a comfortable one. | Correct the cooling mode. |
| The air conditioner turns on, but does not cool. | Fan mode selected. And the air just circulates without cooling. | Select a cooling mode. |
| The air conditioner blows warm (for models with heating mode) | Heating mode on by mistake. | Set the cooling mode. |
| Cooling is weak. The indoor unit of the air conditioner may leak and / or freeze. | (coarse and fine cleaning). Dust, wool, hair clog the filters and settle on the heat exchanger plates. Because of what the heat removal from the evaporator worsens: the radiator does not give cold well to the air, which leads to poor cooling. If the indoor unit is heavily soiled, the evaporator tubes may freeze. Dust can also clog the drain hose, then condensation will remain in the pan and then drip from the indoor unit. |
Clean filters. To get them open the cover of the unit. How to do this is described in the instructions. Then remove the filters and rinse well under the stream cold water and replace the clean ones. Attention! Use hot water not possible, filters may be deformed.If you yourself are afraid to "climb" into the indoor unit of the air conditioner, call the master. |
| Poorly cools, the compressor becomes silent during external block. | The radiator of the outdoor unit is dirty. The heat exchanger has accumulated dust, fluff from plants, plaque from the "exhaust" of vehicles, the rotation of the fan may be difficult. All this impairs the heat exchange between the condenser and the environment and reduces the refrigerating capacity of the air conditioner. In addition, the compressor may shut down due to overheating. | The outdoor unit needs to be cleaned. You can use a steam generator, pressure washer or mechanical means (brush, sponge). If the house is multi-storey, the services of an industrial climber may be required. |
| Warm air blows. The split system compressor located in the outdoor unit is silent or turns on for a short time (2-3 minutes) and turns off again. |
Low voltage in the network. Lack of voltage often leads to overheating of the rotor winding and the shutdown of the motor by a thermal relay. |
Install a voltage monitoring relay. It can be used separately or in pair with the stabilizer. |
If the elimination of these problems did not improve the situation and the cooling is still weak or absent, then the problem is in the components and parts of the climatic equipment. In this case, a full diagnostics by a specialist and service repair are required.
Does not cool the air conditioner in the apartment - reasons that require professional maintenance or repair
The symptoms of malfunctions are similar, but they arise due to wear or malfunction of parts, damage, internal contamination of units and mechanisms. Based on the experience of repairing air conditioners, the "RemBytTech" masters have compiled a list of major equipment breakdowns.
| Sign | Possible reason | Repair or replacement | Price* (only work) |
| The air conditioner blows poorly and does not cool well. Water may drip from the indoor unit of the air conditioner and the evaporator tubes may freeze up. |
Indoor unit filters clogged(coarse and fine cleaning). Dust, wool, hair clog the filters and settle on the heat exchanger. Heat dissipation from the evaporator deteriorates, and the radiator does not transfer the cold well to the air flow passing through it. In addition, heavy dirt on the indoor unit can prevent the fan from rotating and freeze the evaporator tubes. When the drain hose is clogged, condensation remains in the pan and then flows out of the indoor unit. |
The filters are being cleaned after removal. If the evaporator and fan are dirty, the entire indoor unit is disassembled to clean the components. |
from 1900 rub. |
| The air conditioner blows normally after winter, but does not cool well. | There is not enough freon in the air conditioner. Even in a sealed system, up to 7% of the refrigerant can evaporate per year. Therefore, climatic equipment requires annual maintenance (cleaning, refueling). | Refueling with freon is in progress. | from 2RUB 300 |
| There is airflow, but there is little or no cooling. At first, the compressor in the outdoor unit works without stopping, but the air conditioner, nevertheless, does not cool well. Then, the motor stops turning on, and the split system stops cooling. On models with error indications, a low pressure message appears. |
There was a leak of freon from the system. At first, with a small amount of leakage, the air conditioning compressor located in the outdoor unit turns off less and less for rest, despite the weak cooling. Then, as the refrigerant evaporates from the system, the equipment starts blowing warm air at room temperature, and the motor stops and does not turn on. Typically, leakage occurs due to flaring of inter-block pipe joints or destruction of assembly seams. |
The technician is looking for a refrigerant leak. Then it seals the leak, evacuates the system (to remove moisture and air) and refills the system with freon. | from 3400 rub. |
| It blows normally, the compressor in the outdoor unit hardly turns off, but the air conditioner does not cool at all or the cooling is weak. It can also freeze the air conditioner tube to the evaporator. |
Capillary line blockage... Due to the clogged capillary tube, the pressure difference at the inlet and outlet of the capillary increases, therefore part of the freon boils and gives off cold even before the evaporator of the air conditioner. As a result, the refrigeration capacity of the split system drops, and the equipment tries to compensate for its lack of constant operation of the compressor. With a complete blockage of the pipeline, the refrigerant does not circulate, the compressor runs idle, the air remains warm. |
Partial blockages are removed by blowing air under pressure. This operation is also called blockage pushing. Hydraulic cleaning and solvents are used to remove stubborn blockages. In especially difficult cases, when it is impossible to remove the blockage, the capillary tube is soldered and a new one is soldered. |
from 3900 rub. |
| The split system blows, but does not cool well. The compressor in the outdoor unit shuts down occasionally. | The outdoor unit of the air conditioner is dirty. The heat exchanger has accumulated dust, fluff from plants, plaque from the "exhaust" of vehicles. In addition, the fan becomes dirty and the rotation speed decreases. All these factors worsen the normal heat removal from the condenser; it gives off excess heat to the street air poorly. Due to this, the cooling quality of the split system is reduced. The air conditioner tries to compensate for the lack of cooling by the constant operation of the motor in the external block. | The master washes and cleans the radiator. V multi-storey buildings, with difficult access to the external block, it is necessary to additionally order the service of industrial mountaineering. | from 2200 rub. |
| The air conditioner blows hot air when the cooling mode is on (in heated models). |
The four-way changeover valve is defective. It is located in the outdoor unit and is responsible for changing the heating and cooling modes. In the event of a breakdown, the valve "jams" in heating mode. | Valve repair or replacement required. In some cases, if the heating mode is not needed, the valve is simply evaporated, and the equipment always works for cooling. This is usually done to reduce the cost of repairs or in the absence of spare parts (valve). |
from 3500 rub. |
| Blowing with air at room temperature. The compressor is silent or turns off immediately after starting the air conditioner. |
Defective compressor(in the external block) . The main breakdowns are jamming, breakdown of the windings, interturn motor short circuit or open circuit. | Compressor replacement required. In the case of a wedge, repair is sometimes possible (can be wedged). In some cases, it is more expedient to completely replace the external unit with a new one. |
from 4200 rub. |
| Defective starting and / or working capacitor(in the external block). A start capacitor is required for the initial start-up of the compressor motor. Worker - keeps the engine running and increases efficiency. In case of loss of the nominal capacitance of the capacitor, discharge, breakdown, the motor may not start or turn off shortly after starting. |
Replacement of a defective capacitor with a new one is required. | from 1300 rub. | |
| Compressor thermostat breakage(in the outdoor unit), which is responsible for the thermal protection of the motor. As a result, the compressor is not powered and will not start. | It is necessary to replace the thermostat with a new one. | from 1500 rub. | |
| It blows cold, but does not cool well. The split system turns on briefly and quickly turns off when high temperature in the room and the minimum operating temperature. cooling. Modern models give an error code. |
Defective temperature sensor or thermistor. He "monitors" the temperature in the room and is located in the indoor unit. In the event of a failure, it can "read" underestimated values, which is why the cooling is turned off ahead of time. | It is necessary to replace faulty sensors with new ones. | from 1400 rub. |
| Defective evaporator or condenser temperature sensors. According to their indicators, the pressure in the system is regulated under different modes cooling. If any of the sensors erroneously signals that the required cooling parameters have already been achieved, then the air conditioner turns off ahead of time, and does not cool the room to the required temperature. | |||
| It blows, but the cooling is weak. The compressor in the outdoor unit can operate without stopping and turn off by a thermal relay due to overheating. | The outdoor fan is defective. Most often, the engine burns due to the ingress of dust. This leads to poor heat removal from the condenser and low refrigeration capacity; the air conditioner tries to compensate for its lack by the constant operation of the compressor. This leads to overheating of the motor, and it is turned off by a thermal relay. | A complete replacement of the fan or only its motor is required (if spare parts for the fans are sold separately). | from 1700 rub. |
| When the air conditioner is turned on, it blows warm air. | Lost communication between blocks. As a result, the external one does not work. Without freon circulation, the indoor unit turns into a ventilation device and “drives” the air without cooling. Communication disappears more often in outdated models. Modern ones immediately signal an error code if the connection fails and will not work. |
Restore power to the external unit (usually wiring, contact connections). | from 1500 rub. |
| The control board in the indoor unit is defective. The reason may be a jammed, punctured or burnt element that starts the compressor or fan of the outdoor unit. For example, power relays, amplifier microcircuits. In addition, the microprocessor can be damaged. | Repair or replacement of the control module is required. The relay can be stripped if the contacts are stuck. Damaged elements are soldered and replaced with new ones. In case of severe damage to the unit, especially due to burnt out microcircuits, failure of the microprocessor, a complete replacement of the control module is required. |
from 1800 rub. | |
| Inverter module defective(in the external block). It is present only in an inverter air conditioner and is responsible for powering the compressor. In the event of a module failure, the current is not supplied to the compressor. | It is necessary to replace the faulty module with a new one. | from 2300 rub. |
* The cost is indicated ONLY for the work of the master... Spare parts and additional services are calculated separately and included in the total invoice.
In addition to basic faults, there are others. To determine exactly what kind of breakdown has occurred, the air conditioner is diagnosed. Based on its results, the master determines the volume of repairs and names the full cost of the service.
Did you find that the air conditioner turns on, but does not cool well or does not cool the air in the room at all? Have you tried to troubleshoot a problem but the situation hasn't changed? Contact us for professional help!
Call the "RemBytTech" service center:
The master will diagnose and repair the air conditioner at home. You choose the day and time of the repair yourself.
After repair we provide a guarantee for spare parts and work performed. The warranty card is valid for up to 2 years (depending on the problem resolved).
Your air conditioner is blowing warm air because when the fan is running, something turns off the cooling mechanism. Causes include simple things like thermostat settings and poor airflow, but there can also be problems that can cause big problems such as electrical problems and refrigerant leaks.
We'll start with simple problems that you can fix, and when you need the skills of a professional to diagnose and fix a big problem.
1.Problems with thermostat
If you're worried about your home or your air conditioner blowing warm air, the first thing to check is the thermostat. It is a fact: they are faked, children accidentally fall into it with a flying object, or a colleague turns it off because it is too cold.
Make sure the thermostat is set to COOL and the fan is set to AUTO. And of course, set temperature below the actual air temperature.
2.Dirty filter
Reduced air flow is one of the most common problems that can prevent your air conditioner from cooling. Oddly enough, your air conditioner really needs warm airflow over the coils to function properly. The air conditioner filter is designed to remove dust and dirt from the air passing through the equipment. Nevertheless, air filter clogged with dust and debris can completely block air from entering the system. When this happens, the coils are unable to remove the heat. Therefore, the fan of your system simply blows back into your space.
If you haven't had your system for some time and your AC is blowing warm air, the next step is to check the air filter and change it if necessary.
3.Ventilation holes blocked or blocked
Here is another airflow problem that can cause warm air to blow out from the air conditioner. Is it possible that the ventilation grilles were closed in winter and never opened? Or (this is common in offices!) Maybe you have furniture or other obstacles blocking them?
Make sure all registers and returns are open and allow air to flow freely.
4.Disconnected or leaking ducts
It is also possible that you have airflow problems that you cannot see ... in your ducts. If the duct has holes, cracks, or is completely disconnected, air may not reach the device. Or chilled supply air can be wasted in your walls, in the attic or downstairs, and as a result, the air conditioner blows out warm air.
If channels are available, you can take a look at them. Damage often occurs during construction projects, or from being hit by birds or rodents. On a second glance ... this might be an area where you'd better get professional help to check the condition of your airway.
5. Power loss for outdoor unit
Many air conditioning systems have an internal evaporator / air cleaner and an external condensing unit. If the air cleaner works fine, the fan will still blow air into your space. But without the operation of the condensing unit, there will be no cooling; therefore, your air conditioner is blowing warm air.
This scenario can happen when your capacitor bank loses power, often due to a blown fuse or a tripped circuit breaker.
IMPORTANT Never try to diagnose electrical problems yourself unless you are a qualified electrician or HVAC technician. However, there is one thing you can check: your emergency switch. Perhaps, it was accidentally turned off when the power of the condensing unit was turned off and this could also lead to blowing out warm air.
6 dirty condenser coils
One of the important functions of your condensing unit is to generate heat outside your room. The capacitor coil is responsible for this job. As it is exposed to the elements, it can be loaded with dirt and dust, not to mention leaves and debris. Eventually this prevents the coils from working and your system cannot cool effectively, so the air conditioner blows warm air.
7.Leak of refrigerant
Refrigerant (Freon) is a substance that flows through your air conditioning system and causes refrigeration. It is a closed loop so you do not need to add refrigerant if there is a leak in your refrigerant line or coil. When this happens, your system loses both refrigerant charge and cooling capacity. Depending on the size of the leak, cooling losses may occur slowly or immediately, but your air conditioner will end up blowing warm air.
The most common problems when using a car air conditioner are named. Examples of what the consequences are and how to avoid such situations are also given. At the end of the article, a video review of self-cleaning the air conditioner.
It is almost impossible to imagine a modern car without air conditioning or climate control, although some brands still save on this. According to reliable data from SEAT researchers, driving without an air conditioner significantly reduces driver alertness than at a comfortable temperature of 25 degrees Celsius. Some experts compare the condition with alcohol intoxication, which over time only worsens the health of the driver and passengers.
No less important point correct use of the air conditioner, as this affects not only the health of the driver and passengers, but also the air conditioning system itself. The most common and most common mistake of using an air conditioner with open windows and doors. The reason for this is simple, many people think that by opening the window, more fresh air will enter the cabin or thereby create a comfortable temperature. As trite as it sounds, SEAT specialists have found many such drivers who have no idea that you can adjust the temperature without opening windows or doors.
The consequences of such a situation are the most commonplace, firstly, you can get a cold in a couple of minutes, and secondly, there is no fuel saving at all, since the air conditioning compressor is constantly in operation, and this will sooner or later lead to becoming unusable. Thus, it is worth understanding the principle of operation of a car air conditioner, and what factors affect its operation.
The second common mistake when in use - turning on the air conditioner at full power after getting into a hot car. According to SEAT engineers, turning on the air conditioner in this state, you will not get the desired effect, since it will simply drive hot air through the cabin. In addition, the load on the air conditioner evaporator is maximum.
In this case, it is recommended to open all doors or windows for a few minutes to let in cool air (in the hottest weather, the air in a standing closed car is hotter than outside). Only after that close all windows and doors and turn on the air conditioner for cooling.
Disabling air recirculation in the vehicle interior, in this rating it is given the third place. The situation is quite two-faced, as there are air-conditioned cars with an auto function. In this case, the system will independently decide how much to close or open the damper to maintain a certain temperature in the cabin.
Another mistake drivers make during cold weather. There are situations when the outside temperature is lower than the temperature in the cabin. In this case, it is easier for the driver to turn on the air conditioner, although it would be more correct to open the window. In this way, you will not only save fuel, but also there will be less load on the car engine itself.
Not only beginners make mistakes with air conditioners, experienced drivers also make similar mistakes. An example of this is the 5th mistake, when, after turning on the air conditioner, the air flow is directed to the face of the passengers. It is very easy to get sick in such a situation, especially if you have been in the sun before.
For better air circulation and quick cooling of the passenger compartment, it is recommended to direct the cold air flow from the air conditioner upwards. According to the rules of physics, cold air will descend, thereby mixing with warm air and faster, regularly cooling the cabin.
The last mistake most often made by owners of air-conditioned cars is untimely maintenance of the system and replacement of filters. According to the rules, air conditioner filters are replaced every 15-20 thousand kilometers of the distance traveled. Similarly, do not leave aside the situation when the air conditioner has become poorly cooled or does not provide cold air at all.
It is worth remembering that depressurization of the car's air conditioning system can lead to significant damage, especially in the case of high ambient humidity. Most often, the compressor fails, and the price of a new one often starts from 300-400 euros. No need to be lazy to go to the service to check the air conditioner, thereby saving yourself from subsequent problems and financial waste.
Video review of self-cleaning a car air conditioner: