It flows through the system’s indoor and outdoor coil, changing from liquid to gaseous form, drawing heat energy and humidity from indoor air and releasing it outside. Your system’s air filter traps dust, dirt and other airborne pollutants to keep indoor air and internal cooling system components cleaner. There are a number of factors involved in sizing a system for your home, including square footage, quality of construction and insulation, local climate, and more. Most Common Problems. When operating correctly, the condenser fan draws air into the outdoor unit through the condenser coil to pull heat energy out of your home. You may find your Carrier AC unit needs resetting if it starts to malfunction, or isn't responding to input via the control panel or remote. If the thermostat is set to cool, check the temperature setting to be sure someone hasn’t changed it. If the thermostat is defective, the thermostat may not cool properly. If everything checks out and you’re still sweating inside, call your local HVAC dealer. Typical split-system air conditioners have a lot of moving parts, including an indoor air handler unit (furnace or fan coil), an evaporator coil, air filter, thermostat and copper tubing (refrigerant lines) that connect the indoor and outdoor units. Check the condenser coils to determine if they are dirty. So there are a number of answers to the question “Why is my air conditioner not cooling the house?” But fear not. Learn how to choose and maintain your HVAC system. Sweating through a sleepless night...or slogging through the heat of a sweltering July afternoon. For over a century, Carrier has been the leader in the HVAC industry. Under normal conditions, your heat pump periodically switches to air conditioning mode for a few minutes, which heats up the outdoor coils enough to melt any frost and light ice that has accumulated. The most common cause of window air conditioners not blowing cold air is a lack of adequate air flow. If the unit is not defrosting, ice can build up in a hurry. Carrier Air Conditioners are leading air conditioner suppliers in Australia. Email. We’ll outline some items you should check before calling a professional here. Or, it may be better to replace the system with one that is correctly sized. However, this isn’t usually the case. Your Carrier air conditioning unit may fail to operate properly if its filter is dirty. Is your AC not cooling your house after checking these possible issues? Your AC system may include an air filter located in or around the indoor air handler unit. Most homeowners can do some basic troubleshooting and may be able to resolve the issue. The compressor might be defective. Before replacing the compressor, be sure to check more commonly defective components—particularly the overload protector and the compressor capacitor. Air Conditioner Won’t Stop Running. Air Conditioners, HVAC Education, Maintenance, Troubleshooting, Air Conditioners, HVAC Education, Packaged Products, Indoor Air Quality, Frost forming on the copper refrigerant tubing coming from the coil cabinet, Excessive condensate drainage near your indoor unit, In extreme cases, frost forming on exterior refrigerant tubing or the outdoor unit. We've got millions of parts, hundreds of brands, and thousands of step-by-step videos— everything you need to find it, fix it and finish the job right. If your thermostat checks out and you still don’t have cool air, locate your system’s air filter, turn the system off, remove the filter and inspect. If the condenser coils are dirty, clean them. Carrier selected R-32 refrigerant, which has a low global warming potential (GWP) of 675, for use in commercial scroll chiller ranges. Thermostat not reaching the set temperature? Continuing to run your AC when it’s not properly cooling your home can take a minor issue and turn it into a major component failure or system replacement. Replace a dirty filter. Learn about our innovative products and how they can help improve your comfort. In a properly working air conditioner, a fan will draw air over the evaporator coils, where it is cooled, and then be re-circulated back into the room. 11 possible causes and potential solutions . This greatly reduces the cooling capacity of the air conditioner. A heat pump looks just like an AC unit, with some different components inside that allow it to both cool and heat your home. If it is not possible to clean the air filter, replace it. Depending upon its severity, a refrigerant leak can contribute to your AC system not blowing cold air, your system may run for longer periods of time without adequately cooling your home, or it can cause a damaged or failed compressor and complete system shutdown. Dirt, grass and other airborne debris can accumulate between the fins, clogging the coil. If the air filter is clogged, air cannot flow properly through the air conditioner. R-32 has a GWP that is two thirds less than the GWP of the current R-410A version and this change, combined with a significant system refrigerant charge reduction – up to 30% – allows for an exceptional 77% reduction in direct greenhouse gas emissions. Shipping all 7 days! Air conditioning systems are more than just the condenser unit (the AC unit or heat pump) sitting outside your home. Tell us about your home and preferences, and get a customized recommendation, Carrier contractors are ready to help you create your ideal home environment. A good air conditioner … If it is off, set to heat, or set for constant fan (sometimes simply labeled “on”), switch it back to cooling operation. Need help finding your model number? If, after you are satisfied that you have a clean air filter and your central air conditioner does not cool your home, you’ll have to dig a little deeper to locate the problem. We constantly build upon our history of proven innovation with new products and services that improve global comfort and efficiency. Dirty air filter. You might be able to determine the size of your AC unit from the rating info on the cabinet panel, but it will be difficult to determine whether it is the “right size” for your home. Defrost issues can be caused by faulty relays, controls, or sensors. In more extreme cases it can cause the system to shut down completely. Control boards are often misdiagnosed; make sure to check more commonly defective parts first before replacing the control board. Carrier air conditioners provide climate control for homes, offices and public spaces with their broad range of appliances. As debris builds up on the coils, the air conditioner will become less efficient, causing the air conditioner to work harder to cool down. Already ordered? In addition, if the air filter is clogged, the evaporator coils will frost over. Be sure it is set to cool. Select an air conditioner equipped with technology that offers precise temperature balance and powerful performance. To determine if the thermostat is defective, set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity. The indoor component of your central air conditioning system will include an evaporator coil. Dirty Air Filter. Instead of the constant challenge of keeping a home or business cooled, people could finally be a comfortable temperature. Cooler, more comfortable air is then circulated back to your home. Before replacing the compressor, first check all of the more commonly defective components. View solutions. The main thing is to check the air conditioner each year before the peak cooling/heating season by a qualified contractor or service technician. To remove debris from the air filter, try cleaning the filter. If your heat pump system isn’t cooling, check thermostat settings, the air filter, and the condenser unit for previously described issues. Whether your air conditioner is a Carrier, Trane, Rheem, Goodman, Amana, Bryant, Lennox, York, or any other brand, we can help! As previously described, your central air conditioning system likely includes an outdoor condenser unit. Refrigerant … The best way to address sizing issues is to contact a qualified HVAC professional who can accurately assess your home and its optimum cooling capacity. In addition, if the air filter is clogged, the eva...porator coils will frost over. On one side, the fan blade draws in outside air over the condensing coil to dissipate the heat. Is There a Leak in Your Ductwork? If all else fails, call Carrier technical support. If the compressor is defective, it should only be replaced by a licensed technician. One of the main concerns about any air conditioner is its inability to cool. Checking and resolving issues involving refrigerant levels in your system is another job for your local Carrier dealer. Air conditioners are “sized” according to the amount of cooling they can provide as measured in BTUh (British Thermal Units per hour). If the control board fails, some components will not function properly or will not work at all. It’ll be the hottest day of the summer, and no matter how many times you turn down the thermostat you still find the AC not blowing air that is cold enough. If the coils are significantly dirty, the air conditioner will not be able to maintain the proper temperature, and the compressor will … However, there are also times that you’ll need to make the call to your local Carrier® dealer for professional air conditioner service. The circulation fan motor has two fan blades: one on either side of the motor. Carrier air conditioner troubleshooting tips can be found online if the machine isn't cooperating. Solution 1: Air Filter. Search Help by Model. The thermostat monitors the temperature of the air. You can attempt to clean the coil by clearing away debris, carefully vacuuming the coil with a brush attachment or rinsing gently with a hose. Caring for and cleaning your HVAC unit will also decrease the likelihood of costly repairs and replacements. If your AC stays on longer than it should, you … Before the thermostat goes on the blink or the air conditioner begins to sputter, take care of the hard-working machine throughout the year. On the other side, the fan blade directs the air … A dirty coil can lead to reduced energy efficiency, lack of cool air from the registers, or in extreme cases, complete system shutdown or damage to the compressor from overuse. AC Won’t Turn Off. Just because your system isn’t cooling, doesn’t automatically mean expensive AC repairs or replacing the entire system. If you are not getting cold air when the thermostat is on and set to "cool" you may need to reset the compressor. Under moderate conditions, you may not notice any issues with an undersized air conditioner. Overall Efficiency

Efficiency within a model group will tend to vary by the size (capacity) of the unit. If you’re in our service area, then contact us for an air conditioner repair—scheduling online saves you 10%. If the thermostat does not have continuity while the air conditioner is set to cooling, replace the therm... ostat. Air Filter is Blocked. Start doing it yourself with the confidence that comes with 100+ years of experience. And when it does, it’s not going to be in the dead of winter. The control board regulates the voltage to the compressor and the fan motor. When Willis Carrier invented the modern indoor air conditioner in 1902, he set out to change the world. A new 3-ton Carrier air conditioning unit was installed in our newly constructed home in October 2008. Your air filter is designed to trap contaminants in the air before it gets pulled into … Air conditioner fan not working. Dirty air filter. If the compressor is not working, the central air conditioner won’t... cool. From the company that invented modern air conditioning, Carrier split systems have patented features that can maximize your home comfort. Incredibly Quiet Air Conditioning Systems 10 possible causes and potential solutions . The main control board regulates the voltage to the compressor and the fan motor. Refer to your air conditioner’s wiring diagram for more information.). If your Carrier air conditioning unit won’t turn on, there likely is an issue with its power source. If the air filter is clogged, air cannot flow properly through the air conditioner. The exterior of the condenser unit features a large outdoor coil, which wraps most of the way around the outside of the unit. Basic Maintenance . A dirty air filter. Confirm, edit or reprint an existing CARRIER product registration. Central air conditioning systems have an outside unit with a compressor that runs and provides the cool air that runs through the vent system. When the air temperature rises above a set point, the thermostat activates a switch to provide power to the fan and compressor. It’s no fun when your air conditioner is not cooling, but it can happen. Hold times are long. If the coils are significantly dirty, the air conditioner will not be able to maintain the proper temperature, and the compressor will run continuously in an attempt to cool the room. In cooling operation, it operates just like an air conditioner system’s condenser unit and is subject to the same issues – dirty, clogged coil, frozen coil, refrigerant leaks, compressor malfunctions, etc. Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! If your indoor unit is a furnace, the evaporator coil sits in its own cabinet, outside the furnace. (Note: Some thermostats may also control a heater and, as a result, will have three terminals. Built on Willis Carrier’s invention of modern air conditioning in 1902, Carrier is a world leader in heating, air-conditioning and refrigeration solutions. This is a little harder to diagnose, but could be costing you both … After the system kicks on, wait a few minutes, then check for cold air blowing from the registers. What is Central Air and How Does It Work? Carrier Air Conditioner Repair Help. Air conditioner not cooling. We’ve all been there. Signs of a frozen evaporator coil include: Because accessing the evaporator coil is difficult, resolving issues associated with a frozen evaporator coil are best handled by an HVAC professional. When you notice your home getting a little hotter than normal, first check the thermostat settings. Your AC system may include an air filter located in or around the indoor air handler … If the main control board fails, some components will not function properly or will not work at all. When your air filter is dirty, the amount of air that is able to blow over your evaporator … This greatly reduces the cooling capacity of the air conditioner. To remove debris from the air filter, try cleaning the filter. The filter catches dirt, dust and other airborne particles as they enter the air handler unit. We provide sustainable solutions, integrating energy-efficient products, building controls, and energy services for residential, commercial and retail customers at a competitive price. Leading Air Conditioner Suppliers in Australia. Some products, like furnaces, may also be affected by installation orientation (horizontal, upflow, or downflow) or even by the nozzle used in installation, as is the case with boilers and oil furnaces. From very simple issues like a thermostat set incorrectly or a dirty filter...to a more complex situation that requires replacing components...there are a wide variety of reasons why you may find your air conditioner running, but not lowering the temperature in the house. Then, remember to keep the air filter clean and the outdoor unit free of leaves and debris. The coil includes a series of thin metal “fins” which are spaced very tightly together. If the condenser coils are dirty, they won’t be able to dissipate the heat as effectively. If not, move on to the next troubleshooting tip – checking the air filter. If it’s been more than a couple of months since you’ve replaced the return-air … Main control boards are often misdiagnosed; make sure to check more commonly defective parts first before replacing the main control board. A dirty air filter can block airflow and reduce cooling to your home. The condenser coils dissipate the heat as the refrigerant passes through the coils. The compressor is a pump which compresses the refrigerant and circulates the refrigerant through the evaporator and condenser coils. With options for every home and every climate, we’re confident you'll find what you need. If you reach this conclusion and you’ve exhausted the options outlined previously, it’s time to call a Carrier HVAC dealer. It’s important for your comfort, but also for the health of your AC system. Another common and easily remedied situation that sometimes results in a central air conditioner fan not working is a dirty, clogged air filter. However, as temperatures rise outside, your AC may run for long periods of time and struggle to keep you cool. Carrier HVAC Equipment: Residential and Commercial. If it’s cold, problem solved! Enter model number to search for the required part specific to your product, Browse our parts categories to select from a variety of parts for your product. If the indoor unit is a fan coil (typically as part of a heat pump system), the evaporator coil sits inside the fan coil cabinet. As debris builds up on the coils, the air conditioner will become less efficient, causing the air conditioner to work harder to cool down. Warm indoor air passes through the evaporator coil where heat energy and humidity are removed from the air. Manage Registration. Filter Out. If your air conditioner is running, but not lowering temperatures inside, one issue could be a blocked or clogged condenser coil. If your system is undersized, it may be possible to provide cooling in problem areas by adding a ductless unit to help out in “hot spots”. Refrigerant is a chemical that is critical to the cooling process. Heating & Cooling Products We design each component of our HVAC systems with your comfort, health, and budget in mind—precise controls, steady temperatures, quiet performance. How to Troubleshoot a Carrier Air Conditioner Unit Power Up. Buildup on the... Clear the Air. It keeps the components inside the system cleaner and operating more efficiently and can help keep the air in your home cleaner as well. https://carrier.pissedconsumer.com/carrier-air-conditioner-53802/RT-C.html Regular, scheduled maintenance will increase the energy efficiency and cooling output of your air conditioner. Change out HVAC filters every few months. The dual shaft fan motor (or circulation fan motor) might be defective. Learn about our energy efficient innovations that can help you save on your heating & cooling energy expenses, while ensuring your home is comfortable. However, this is not usually the case. Low Refrigerant. If your brand new air conditioner isn’t cooling, then there are several possibilities that could explain why. No Video Available. Motor ) might be defective there are several possibilities that could explain why Up in a air... Fan blades: one on either side of the air filter is dirty call your local Carrier.. 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