One of the main causes of your AC not cooling is a low refrigerant level. The filter catches dirt, dust and other airborne particles as they enter the air handler unit. The coil includes a series of thin metal “fins” which are spaced very tightly together. When operating correctly, the condenser fan draws air into the outdoor unit through the condenser coil to pull heat energy out of your home. The condenser coils dissipate the heat as the refrigerant passes through the coils. We constantly build upon our history of proven innovation with new products and services that improve global comfort and efficiency. For a little more detail, visit our troubleshoot an air conditioner page. Main control boards are often misdiagnosed; make sure to check more commonly defective parts first before replacing the main control board. Refer to your air conditioner’s wiring diagram for more information.). 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. Just because your central air conditioner was recently purchased and installed does not make it immune to immediate problems. If your brand new air conditioner isn’t cooling, then there are several possibilities that could explain why. Your system’s air filter traps dust, dirt and other airborne pollutants to keep indoor air and internal cooling system components cleaner. The main control board regulates the voltage to the compressor and the fan motor. Your AC system may include an air filter located in or around the indoor air handler unit. 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. Carrier Air Conditioner Repair Help. Refrigerant is a chemical that is critical to the cooling process. If the control board fails, some components will not function properly or will not work at all. As debris builds up on the coils, the air conditioner will become less efficient, causing the air conditioner to work harder to cool down. As previously described, your central air conditioning system likely includes an outdoor condenser unit. If your indoor unit is a furnace, the evaporator coil sits in its own cabinet, outside the furnace. If you reach this conclusion and you’ve exhausted the options outlined previously, it’s time to call a Carrier HVAC dealer. Confirm, edit or reprint an existing CARRIER product registration. What is Central Air and How Does It Work? If your Carrier air conditioning unit won’t turn on, there likely is an issue with its power source. Leading Air Conditioner Suppliers in Australia. 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. However, this is not usually the case. Regular, scheduled maintenance will increase the energy efficiency and cooling output of your air conditioner. Before replacing the compressor, first check all of the more commonly defective components. The circulation fan motor has two fan blades: one on either side of the motor. Checking and resolving issues involving refrigerant levels in your system is another job for your local Carrier dealer. Before the thermostat goes on the blink or the air conditioner begins to sputter, take care of the hard-working machine throughout the year. Or, it may be better to replace the system with one that is correctly sized. In addition, if the air filter is clogged, the evaporator coils will frost over. If everything checks out and you’re still sweating inside, call your local HVAC dealer. Air conditioner fan not working. A dirty air filter. 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. 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. Already ordered? If the air filter is clogged, air cannot flow properly through the air conditioner. Your air filter is designed to trap contaminants in the air before it gets pulled into … How to Troubleshoot a Carrier Air Conditioner Unit Power Up. The dual shaft fan motor (or circulation fan motor) might be defective. 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. For over a century, Carrier has been the leader in the HVAC industry. When the air temperature rises above a set point, the thermostat activates a switch to provide power to the fan and compressor. Incredibly Quiet Air Conditioning Systems If the compressor is defective, it should only be replaced by a licensed technician. Then, remember to keep the air filter clean and the outdoor unit free of leaves and debris. The compressor might be defective. Central air conditioning systems have an outside unit with a compressor that runs and provides the cool air that runs through the vent system. If you’re in our service area, then contact us for an air conditioner repair—scheduling online saves you 10%. Most Common Problems. 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. When Willis Carrier invented the modern indoor air conditioner in 1902, he set out to change the world. 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 heat pump looks just like an AC unit, with some different components inside that allow it to both cool and heat your home. Air Filter is Blocked. If your system still isn’t cooling, it’s probably time to call a pro. Your AC system may include an air filter located in or around the indoor air handler … Be sure it is set to cool. When you notice your home getting a little hotter than normal, first check the thermostat settings. Solution 1: Air Filter. The control board regulates the voltage to the compressor and the fan motor. Carrier selected R-32 refrigerant, which has a low global warming potential (GWP) of 675, for use in commercial scroll chiller ranges. Manage Registration. 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. If the main control board fails, some components will not function properly or will not work at all. 10 possible causes and potential solutions . A dirty air filter can block airflow and reduce cooling to your home. Cooler, more comfortable air is then circulated back to your home. This greatly reduces the cooling capacity of the air conditioner. Thermostat not reaching the set temperature? Carrier HVAC Equipment: Residential and Commercial. 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”. No Video Available. Hold times are long. If not, move on to the next troubleshooting tip – checking the air filter. On one side, the fan blade draws in outside air over the condensing coil to dissipate the heat. 11 possible causes and potential solutions . We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. Select an air conditioner equipped with technology that offers precise temperature balance and powerful performance. If the thermostat is set to cool, check the temperature setting to be sure someone hasn’t changed it. If you are not getting cold air when the thermostat is on and set to "cool" you may need to reset the compressor. If the air filter is clogged, air cannot flow properly through the air conditioner. To remove debris from the air filter, try cleaning the filter. Start doing it yourself with the confidence that comes with 100+ years of experience. It keeps the components inside the system cleaner and operating more efficiently and can help keep the air in your home cleaner as well. In addition, if the air filter is clogged, the eva...porator coils will frost over. In some cases, your outdoor unit might be a heat pump. However, there are also times that you’ll need to make the call to your local Carrier® dealer for professional air conditioner service. The exterior of the condenser unit features a large outdoor coil, which wraps most of the way around the outside of the unit. Shipping all 7 days! If your air conditioner is running, but not lowering temperatures inside, one issue could be a blocked or clogged condenser coil. Carrier Air Conditioners are leading air conditioner suppliers in Australia. If the thermostat does not have continuity while the air conditioner is set to cooling, replace the therm... ostat. We’ll outline some items you should check before calling a professional here. Filter Out. It’s no fun when your air conditioner is not cooling, but it can happen. If it is not possible to clean the air filter, replace it. On the other side, the fan blade directs the air … When your air filter is dirty, the amount of air that is able to blow over your evaporator … Defrost issues can be caused by faulty relays, controls, or sensors. If all else fails, call Carrier technical support. In more extreme cases it can cause the system to shut down completely. Instead of the constant challenge of keeping a home or business cooled, people could finally be a comfortable temperature. If the thermostat is defective, the thermostat may not cool properly. Whether your air conditioner is a Carrier, Trane, Rheem, Goodman, Amana, Bryant, Lennox, York, or any other brand, we can help! Control boards are often misdiagnosed; make sure to check more commonly defective parts first before replacing the control board. Search Help by Model. Overall Efficiency

Efficiency within a model group will tend to vary by the size (capacity) of the unit. Check the condenser coils to determine if they are dirty. Is your AC not cooling your house after checking these possible issues? Air conditioner not cooling. However, as temperatures rise outside, your AC may run for long periods of time and struggle to keep you cool. If the condenser coils are dirty, they won’t be able to dissipate the heat as effectively. 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. Air conditioning systems are more than just the condenser unit (the AC unit or heat pump) sitting outside your home. 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. Your Carrier air conditioning unit may fail to operate properly if its filter is dirty. Dirty Air Filter. If the compressor is not working, the central air conditioner won’t... cool. 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. If the coils are significantly dirty, the air conditioner will not be able to maintain the proper temperature, and the compressor will … 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. 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. 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. 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. View solutions. To determine if the thermostat is defective, set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity.

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