To detect the … If an old unit’s compressor stops working, but the fan keeps running, this is one of the first signs that the system has reached the end of its life. If the fan isn't working, that can cause the coil to freeze. 102 places.singleplatform.com, We're currently offline. You have to be sure that they match one another. If the compressor can be changed out, leave this job to your HVAC technicians, too. With that said, if your compressor already isn’t working like it should, it’s time to troubleshoot. At this point, you’ve tried everything, from taking a look at your thermostat to checking your capacitor. Today my compressor quit. Symptoms of a Central A/C Fan Not Working After doing so, give your system a chance to cool down, and once it’s had the chance to reset, try running your system to see if your compressor will turn on. One purpose of the fan is to cool the compressor. Your capacitor is also responsible for providing your compressor with power. The high pressure is what then pushes the refrigerant through the refrigerant lines to the condenser coils, which allow for the heat to be released from refrigerant and, therefore, the heat to be eliminated from your home. When your air conditioner’s outside fan is not working, inspect the fan itself. ... Blue star5.5tr AC compressor not switching on from remote fan working but compressor not switching on checked the PC board it’s OK. The first areas that should be checked and cleared can be completed easily and quickly. Failing to clean the air filters and condenser coils is a sure way to cause the compressor to fail. In such cases, the room may be already cold enough, so the compressor is not required to operate. When You Need a New Air Conditioner System. One purpose of the fan is to cool the compressor. When the fan is running but the AC compressor isn't there's a good chance that electrical power isn't reaching the outside unit where the compressor is located - and since the inside unit has power, the fan is still operating. There are a lot of factors that determine whether your compressor will turn on, including blockages and problems with the thermostat that may prevent the compressor from working properly. Or call us for immediate assistance. What else could it be? In this case the outdoor fan is not running due to a bad capacitor. A compressor is the heart of an air conditioner system. The outside unit may not be getting power. If the thermostat is broken, your HVAC tech will let you know this and will replace it for you. While it may take some detective work, you should be able to identify the issue—if not, you can always give your local HVAC technician a call. This is a problem with split AC units. Split AC systems sometimes experience this problem. Another potential cause for a dead compressor is an overheated unit. A dead compressor makes for a dead AC unit. Sometimes the AC’s compressor is not working, but the fan still runs. If your system is 10 to 15 years old, or older, your AC system is reaching its end of life. A great way to ensure that your compressor continues working as it should is through regular air conditioner maintenance. If the compressor is running, but the fan motor is not running, the fan motor or the fan motor capacitor are likely at fault. The compressor is located in an air conditioner’s outdoor unit Your HVAC technician will use a multimeter to test your capacitor, and if your capacitor is the root of the problem, your technician will be more than happy to service your system and install a new capacitor for you. Scenario A: Compressor works, but the fan does not spin The problem : You have a bad fan motor and/or bad start capacitor. I checked the breaker, and even replaced it since I didn't like the way the original one felt. Capacitors send an electrical jolt to start a motor (a “start capacitor”) or to keep one running (a “run capacitor.”) In an air conditioning system, capacitors work with three different motors: the compressor, the indoor blower fan, and outdoor fan. Once you have identified that you have a dead compressor, you only have two options: Replace only the compressor or replace the entire unit altogether (the safer bet). It is possible that the thermostat settings were inadvertently changed. If your blower motor is not producing enough air for your system, or the fan is running at a low speed, that can cause the system to lose enough efficiency to make it run too much. An old AC will eventually reach the end of its useful life. If there is a trip or a blown fuse, this could be your issue. Even with proper maintenance, the AC unit will ultimately deteriorate and will need to be replaced. Whenever there’s an issue with your air conditioning system, the first thing you’ll want to look at is your thermostat. When the ac is of the radiator hoses both become same heat after a while and the overflow reservoir starts boiling over and the fan do not kick in. Capacitors store up the energy that powers the air conditioner’s fans. Contractor's Assistant: Did you double-check the thermostat? My 2013 Hyundai i10 has one fan and as far as I can see one coolant temp sensor. If you suspect your capacitor is the issue, continue reading. This is a simple fix. If the coil is frozen, shut off the air conditioning immediately. Emergency Air Conditioning Repair in Palm Beach County and Surrounding Area. The capacitor and relay are essential for the compressor to get the power it requires to operate. Uh oh! If all else fails, check to see if there is a problem with your air conditioner… As your system ages, the components within your system begin to deteriorate. When the refrigerant is leaking, all you have to do is using the sealant that is available in most of the car repair shops. If an old unit’s compressor stops working, but the fan keeps running, this is one of the first signs that the system has reached the end of its life. When all obstructions have been removed, the air can flow better, and your system will work properly. If the compressor is running, but the fan motor is not running, the fan motor or the fan motor capacitor are likely at fault. - These can put extreme pressure on the AC compressor and make it overheat. Save my name, email, and website in this browser for the next time I comment. The outside fan is the condensing unit. If the coil froze, the fan could be working but the air wont go through the ice until it melts. This may sound like dire news, and it possibly is, but compressors can often be repaired. If you cannot do these things yourself, have your AC tech visit the home and inspect your ac. Whether you’re in need of residential service, or you need a go-to technician to handle your commercial HVAC needs, we’re here for you. Shaking from the outdoor unit when turning the AC on. Call us Any Time! Like your capacitor, you’ll ideally want to have your local HVAC technician lend a hand in replacing the damaged part. If you have difficulty getting the blades to turn, there may be debris wrapped around the fan axle, or the motor bearings may be dirty or jammed. When I turn on the ac the fan works and keeps the car cool. Reply. Your email address will not be published. It is best to buy a new AC and replace the existing one to avoid any costly problems. If the fan doesn’t start running, you may have a bad fan motor. (Even if it's not a heat pump.) approximately 10 minutes,at which time the fan stops, yet the compressor continues to run. When the ac compressor not working but the fan is running, chances are the outer unit housing the compressor isn’t receiving power. In case of confusion, you can call a repairer and let him seal all the leaks causing AC compressor running but not cooling. With the heat pump fan not working, the compressor can overheat and be damaged – … The easiest (and safest) thing you can do is check your circuit breaker. A capacitor may be used to start the fan and keep it running—as in a start/run capacitor. Whether you need AC repair or air conditioning installation, our team of HVAC technicians is ready to help! Your compressor plays a pivotal role in the process of cooling your home, as it is responsible for “compressing” the refrigerant in your AC system and turning it into a high-pressure gas. for the last couple of days the temp in the house has been going up slowly and ac running constantly. Replacing them is a tricky job, so leave that part to your HVAC expert. Understanding the Parts of Your AC Unit Throughout the day, this cycle is repeated, making it possible for your home to remain at your ideal temperature. If your ac compressor is not working, but the fan is running, someone might have unknowingly set the wrong temperature on the thermostat. An HVAC technician will not only have knowledge of how to diagnose your air conditioner’s issues, but he or she will have the necessary skills and tools to resolve the issue as quickly as possible. 01 - Dual Shaft Fan Motor. Caution: Do not run a heat pump or air conditioner without the fan working. Do a visual inspection for this one, too, and see if the cooling fan is not broken. AC Compressor Is Not Working But the AC Fan Runs[...], Understanding Reasons For AC Compressor Not Working But Fan Is[...], Here are 7 Different Ways to Repair an AC unit[...], 2940 NW Commerce Park Dr #12, Boynton Beach, FL 33426, Products and Services: The Latest in Heating, Ventilation & Air Conditioner Systems, outside ac unit not running but inside is, ac compressor not working troubleshooting, air conditioner compressor not turning on, split ac compressor not working but fan is running, window ac compressor not working but fan is running, 4 Reasons Why AC Compressor Not Working But Fan Is Running, Air Conditioning: The Eco Friendly Alternatives, Maintaining my R-22 Air Conditioner: Is it Worth it? If your system is running but you hear unusual noise coming from the outdoor unit, you might have a bad fan or a bent or broken fan blade. (Pro tip: Learn more about your compressor by checking out this article by Southwest Tech.). If the fan is not running it will not be able to remove the heat. Another potential issue to consider is that your thermostat is faulty. So please, before you do it yourself. In fact, if a faulty compressor was the main issue, you may find yourself with a damaged compressor as well. The fan on the outside unit was not running. As a result, you expect the compressor to cool the room down, but it has been given the opposite message. Problem #3: A bad compressor The compressor is the core of your AC system. When an outside fan fails, the most likely cause is a capacitor issue. This is more common with systems that are poorly maintained or that operate where a lot of dirt/debris is blown around by the wind. If the thermostat ... does not have continuity, replace it. A layer of grime on the fan blades can also slow it down, so again you may just need a good cleaning. Why is My Air Conditioner Not Blowing Cold Air? When your compressor fails to function properly, however, your air conditioning system is unable to complete this important step in the process of keeping your home cool. When this is not possible, call your professional HVAC tech in to diagnose the problem and make the necessary repairs. You adjust the thermostat setting to the correct temperature. One way to address, or even prevent, this issue is by performing some HVAC maintenance. Hmm, it seems like the furniture is getting dusty, 10 Simple Air Conditioning Tips to Save Energy. At Edge Heating & Air, we’ve been serving Murrieta, Temecula, Wildomar, and the surrounding areas for over 15+ years. When you have a running compressor, but your air conditioning unit is not producing cool air, there are potentially a number of things that could be causing this problem. AC compressor not working but fan is running, may happen to be one of the ways in which the problem manifests itself. The easiest solution for identifying and resolving an issue with your capacitor is by calling your HVAC technician. Whenever assessing an electrical issue, we recommend proceeding with caution. I changed the 2 fuses out, checked the power to the fuse box (got power to the AC), and cleaned off the fins (LOTS of cottonwood seeds!). Call us at (951) 304-9656 or schedule your service online today! It’s useful to know what to do if the outside AC unit isn’t working but the inside unit is. That way, your compressor will start running like normal, and your home will feel comfortable once again. If you are in a huge pinch, you can use a large box fan blowing on top of the unit and down into it, or pulling the hot air out, this will buy you very little time. If both the compressor and the fan motor won’t run, use a multimeter to test the temperature control thermostat for continuity. On the other side of that, we have also heard horror stories from a customer about how their potentially easy fix turned into a much bigger problem. An old AC will eventually reach the end of its useful life. Today, my air conditioner unit decided to give up the ghost for some reason. I hear it click but the fan does not come on. If your compressor isn’t pumping refrigerant like it should, your air conditioner won’t cool your home well. It circulates the refrigerant that removes heat from your home’s air and dumps it outside. Your fan, however, may still be running because it is receiving power from inside your home. Something’s wrong with your AC, and now, you’re wondering why the AC compressor is not working but the fan is running. This shows you how to troubleshoot and fix a heat pump or AC unit that is not working. I've changed the capacitor and the fan and it still is not running. If your unit is old, its best to buy a new one to avoid future problems. While it may take some detective work, you should be able to identify the issue—if not, you can always give your local HVAC technician a call. If the unit was recently replaced, but the compressor is not operating correctly, it could be that the two groups are different. If the fan won’t start even with a kick-start, and you hear the compressor running, you probably have a bad fan motor. 4 thoughts on “ Reasons an Air Conditioner Compressor Will Not Start ” James L Cue May 29, 2020. Its getting power but the cooling fan outside will not turn on. Each motor has its own capacitor and if one of them is not working, then it usually means that the motor won’t run. First, you’ll want to clean your condenser coils by removing the outer casing of your outdoor condenser unit and then rinsing your condenser coils with water. If it’s not an electrical issue, there’s still a chance that your compressor is having issues receiving power. And what about the unit's filters? Much of the time, these two things cause the compressor to stop working. Now that you’ve identified that your compressor isn’t working, you’ll need to do some troubleshooting to determine why it’s not working. This could be why your fan is still running, but your AC compressor has finally decided to give out. I am having problems with my AC compressor not coming on. Also, you may find such problems with air conditioners that are more than a decade old. A start capacitor is an electric device that gets the electric motor running at startup by providing a "jolt" of stored electrical energy. When you don’t clean your condenser coils or replace your air filters regularly, you increase your compressor’s chances of overheating, which causes your compressor to automatically shut off. What Happens When The AC Compressor Malfunctions When there is an AC compressor failure, you may face one or more of these situations – Last but not least, it’s possible that you’re experiencing compressor issues because your system is getting old. This is sometimes simple to resolve. We put our customers’ needs first. © Copyright 2020 | Edge Heating and Air | All Rights Reserved | Site Design: When your energy bills go up, there's always a rea, Have you checked your notifications? It thinks the room is already cold, so it stops working. Then check-out our page - heat pump iced-up in summer. First, check the circuit breaker to see if it has tripped or if there's a blown fuse. Before jumping to any conclusions, you should do a little troubleshooting to try and pinpoint the source of the problem.… Continue Reading What to Do When Your A/C Compressor Won't Turn On This problem requires you to have some knowledge of electrical wiring. 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