The coil includes a series of thin metal “fins” which are spaced very tightly together. Air Conditioner Won’t Stop Running. (Note: Some thermostats may also control a heater and, as a result, will have three terminals. When operating correctly, the condenser fan draws air into the outdoor unit through the condenser coil to pull heat energy out of 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. This greatly reduces the cooling capacity of the air conditioner. If the condenser coils are dirty, clean them. 11 possible causes and potential solutions . Whether your air conditioner is a Carrier, Trane, Rheem, Goodman, Amana, Bryant, Lennox, York, or any other brand, we can help! Air conditioner fan not working. Before the thermostat goes on the blink or the air conditioner begins to sputter, take care of the hard-working machine throughout the year. Learn about our innovative products and how they can help improve your comfort. When you notice your home getting a little hotter than normal, first check the thermostat settings. Before replacing the compressor, first check all of the more commonly defective components. The filter catches dirt, dust and other airborne particles as they enter the air handler unit. Incredibly Quiet Air Conditioning Systems 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. If your system still isn’t cooling, it’s probably time to call a pro. So there are a number of answers to the question “Why is my air conditioner not cooling the house?” But fear not. Just because your central air conditioner was recently purchased and installed does not make it immune to immediate problems. Is There a Leak in Your Ductwork? The compressor is a pump which compresses the refrigerant and circulates the refrigerant through the evaporator and condenser coils. Shipping all 7 days! Your AC system may include an air filter located in or around the indoor air handler … Low Refrigerant. 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. A dirty air filter can block airflow and reduce cooling to your home. If you are not getting cold air when the thermostat is on and set to "cool" you may need to reset the compressor. Most Common Problems. For a little more detail, visit our troubleshoot an air conditioner page. Your air filter is designed to trap contaminants in the air before it gets pulled into … To remove debris from the air filter, try cleaning the 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. 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. Carrier selected R-32 refrigerant, which has a low global warming potential (GWP) of 675, for use in commercial scroll chiller ranges. We’ve all been there. Dirt, grass and other airborne debris can accumulate between the fins, clogging the coil. This is a little harder to diagnose, but could be costing you both … If you reach this conclusion and you’ve exhausted the options outlined previously, it’s time to call a Carrier HVAC dealer. Before replacing the compressor, be sure to check more commonly defective components—particularly the overload protector and the compressor capacitor. If it is off, set to heat, or set for constant fan (sometimes simply labeled “on”), switch it back to cooling operation. 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. Or, it may be better to replace the system with one that is correctly sized. Control boards are often misdiagnosed; make sure to check more commonly defective parts first before replacing the control board. Air conditioners are “sized” according to the amount of cooling they can provide as measured in BTUh (British Thermal Units per hour). In more extreme cases it can cause the system to shut down completely. When your air filter is dirty, the amount of air that is able to blow over your evaporator … Under moderate conditions, you may not notice any issues with an undersized air conditioner. If your Carrier air conditioning unit won’t turn on, there likely is an issue with its power source. If your air conditioner is running, but not lowering temperatures inside, one issue could be a blocked or clogged condenser coil. However, this is not usually the case. Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! In addition, if the air filter is clogged, the eva...porator coils will frost over. 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. Already ordered? Cooler, more comfortable air is then circulated back to your home. 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”. As debris builds up on the coils, the air conditioner will become less efficient, causing the air conditioner to work harder to cool down. Thermostat not reaching the set temperature? If the main control board fails, some components will not function properly or will not work at all. The compressor might be defective. If the thermostat is set to cool, check the temperature setting to be sure someone hasn’t changed it. We provide sustainable solutions, integrating energy-efficient products, building controls, and energy services for residential, commercial and retail customers at a competitive price. Overall Efficiency

Efficiency within a model group will tend to vary by the size (capacity) of the unit. A poorly running HVAC system can dramatically increase your electrical bill, while simultaneously failing to keep you cool in the summer months. Carrier HVAC Equipment: Residential and Commercial. On one side, the fan blade draws in outside air over the condensing coil to dissipate the heat. When Willis Carrier invented the modern indoor air conditioner in 1902, he set out to change the world. Sweating through a sleepless night...or slogging through the heat of a sweltering July afternoon. 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. The main thing is to check the air conditioner each year before the peak cooling/heating season by a qualified contractor or service technician. Dirty air filter. If the coils are significantly dirty, the air conditioner will not be able to maintain the proper temperature, and the compressor will … The circulation fan motor has two fan blades: one on either side of the motor. A dirty air filter. In addition, if the air filter is clogged, the evaporator coils will frost over. If the compressor is not working, the central air conditioner won’t... cool. One of the main concerns about any air conditioner is its inability to cool. Just because your system isn’t cooling, doesn’t automatically mean expensive AC repairs or replacing the entire system. How to Troubleshoot a Carrier Air Conditioner Unit Power Up. Dirty Air Filter. 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. 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. If the unit is not defrosting, ice can build up in a hurry. On the other side, the fan blade directs the air … Your system’s air filter traps dust, dirt and other airborne pollutants to keep indoor air and internal cooling system components cleaner. Refrigerant is a chemical that is critical to the cooling process. In some cases, your outdoor unit might be a heat pump. Check the condenser coils to determine if they are dirty. Main control boards are often misdiagnosed; make sure to check more commonly defective parts first before replacing the main control board. After the system kicks on, wait a few minutes, then check for cold air blowing from the registers. Buildup on the... Clear the Air. However, as temperatures rise outside, your AC may run for long periods of time and struggle to keep you cool. However, this isn’t usually the case. Manage Registration. The control board regulates the voltage to the compressor and the fan motor. Another common and easily remedied situation that sometimes results in a central air conditioner fan not working is a dirty, clogged air filter. Email. We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. Basic Maintenance . If your AC stays on longer than it should, you … The main control board regulates the voltage to the compressor and the fan motor. Carrier air conditioners provide climate control for homes, offices and public spaces with their broad range of appliances. Your AC system may include an air filter located in or around the indoor air handler unit. 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. Carrier air conditioner troubleshooting tips can be found online if the machine isn't cooperating. Air Filter is Blocked. Dirty air filter. As previously described, your central air conditioning system likely includes an outdoor condenser unit. Need help finding your model number? Caring for and cleaning your HVAC unit will also decrease the likelihood of costly repairs and replacements. 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. If the condenser coils are dirty, they won’t be able to dissipate the heat as effectively. 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. Refer to your air conditioner’s wiring diagram for more information.). However, there are also times that you’ll need to make the call to your local Carrier® dealer for professional air conditioner service. Select an air conditioner equipped with technology that offers precise temperature balance and powerful performance. Be sure it is set to cool. The condenser coils dissipate the heat as the refrigerant passes through the coils. 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. 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 not, move on to the next troubleshooting tip – checking the air filter. 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 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 air filter is clogged, air cannot flow properly through the air conditioner. We constantly build upon our history of proven innovation with new products and services that improve global comfort and efficiency. Carrier Air Conditioner Repair Help. The exterior of the condenser unit features a large outdoor coil, which wraps most of the way around the outside of the unit. 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. As debris builds up on the coils, the air conditioner will become less efficient, causing the air conditioner to work harder to cool down. Your Carrier air conditioning unit may fail to operate properly if its filter is dirty. Built on Willis Carrier’s invention of modern air conditioning in 1902, Carrier is a world leader in heating, air-conditioning and refrigeration solutions. If all else fails, call Carrier technical support. Search Help by Model. Click Here Refrigerant … Warm indoor air passes through the evaporator coil where heat energy and humidity are removed from the air. Learn about our energy efficient innovations that can help you save on your heating & cooling energy expenses, while ensuring your home is comfortable. The dual shaft fan motor (or circulation fan motor) might be defective. It’s no fun when your air conditioner is not cooling, but it can happen. Carrier Air Conditioners are leading air conditioner suppliers in Australia. If it’s been more than a couple of months since you’ve replaced the return-air … Learn how to choose and maintain your HVAC system. Regular, scheduled maintenance will increase the energy efficiency and cooling output of your air conditioner. Solution 1: Air Filter. A new 3-ton Carrier air conditioning unit was installed in our newly constructed home in October 2008. The indoor component of your central air conditioning system will include an evaporator coil. If it’s cold, problem solved! View solutions. One of the main causes of your AC not cooling is a low refrigerant level. We’ll outline some items you should check before calling a professional here. AC Won’t Turn Off. To determine if the thermostat is defective, set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity. 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. Defrost issues can be caused by faulty relays, controls, or sensors. Air conditioning systems are more than just the condenser unit (the AC unit or heat pump) sitting outside your home. 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. Hold times are long. If the thermostat does not have continuity while the air conditioner is set to cooling, replace the therm... ostat. If you’re in our service area, then contact us for an air conditioner repair—scheduling online saves you 10%. The thermostat monitors the temperature of the air. Change out HVAC filters every few months. If it is not possible to clean the air filter, replace it.

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