Calling the local tech is the best solution. Do you want to make sure your AC unit doesn't go out in the dog-days of summer? If this drain line is clogged, a safety switch trips and shuts down the system. In doing so, it facilitates proper refrigerant circulation within the system. You need to unclog the drain pipe for the unit to operate. There are two main indications to know that the outside unit of the split AC system has stopped working. If you have found that any of the information above is relating to your situation than you should call All Time Air Conditioning. Just dial 561-777-9888 for our 24 hour emergency air conditioning repair service where you can expect us on-site in 90 minutes or less. During summer months, if the indoor unit blows warm air, it’s an indication of a problem with the outdoor unit. If your HVAC will not turn on, but you hear a humming sound from your outdoor unit, it is likely that this is the compressor attempting to access a non-functioning capacitor. In this post, we’ll go into detail about some scenarios you may run across with your air conditioner and how your components work together to create a comfortable, cool indoor living environment. There is a humming from outside unit but the fan is not running. Thread Tools Search this Thread #1 05-21-17, 06:14 PM B. bridger84. The clicking noise is caused by the overload tripping when the motor overheats because it can't spin the locked up compressor pump. However, this is not usually the case. If the fan is moving slowly or not running at all, the compressor is not working enough and there is a danger for compressor health. Or, if it starts at all, it starts sluggishly. If the unit is battery-powered, replacing the batteries is a good first step before moving onto more time intensive and invasive measures. Category: HVAC. If the system doesn’t produce any sound at all – even when the compressor is supposed to kick in – you should know that something is wrong with the outdoor unit. Can You Put your Air Compressor Outside? Typical reasons an outside fan might stop spinning include: When an outside fan fails, the most likely cause is a capacitor issue. Second you inspect your air conditioner’s wiring to make sure you do not have any burnt or loose wires. Goodman Heat Pump compressor keeps running [ 1 Answers ] In Heat mode, compressor outside continues to run even when the blower inside is not running. Third you check to see if your capacitor is swollen or not. Circuit breakers can get overloaded, and when they do, they trip. Look for tripped circuit breakers in the main electric panel—most homes have a circuit panel, but some older properties have a fuse box. Most companies do provide coverage for the capacitor for a limited period of … I would be most appreciative if I could get some help with my Trane Weathertron XE 1200 outside compressor and outside fan unit that is not running at all. Contact ABC to have a service specialist come out and make sure your AC unit is healthy enough to keep you cool. Show Less. If you are one of these people, you have come to the right place. If the outside unit gets too dirty, your AC compressor could overheat. Ask Your Own HVAC Question. Typically, this means one of two things: your outside AC hums but the fan doesn’t spin or the entire outside AC unit isn’t working at all. Several indications tell you the outside unit of a split AC has stopped working, but the inside unit is continuing. There are many different moving pieces and parts, and it’s hard to keep track of everything. 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! Someone may have accidentally turn it to off position. Compressor failure commonly manifests in the following ways: A broken compressor is usually a major repair. I went to see if that big unit outside was running and it is not. It’s also possible that a safety switch has locked the outside unit of your home’s AC system. Location: USA. You only need to move it back into place. This can happen when the compressor is a oil-lubricated model and it's cold where the compressor is!If the compressor is stored in an uninsulated garage or other outbuilding when the outside temperature drops into the low 40's (F), or even colder, for example. We are located in Boynton Beach, Florida and will service residential and commercial properties anywhere in Palm Beach County or the surrounding area. What should the pressure be on the freon? You adjust the thermostat setting to … How To Know When The Outside AC Unit Is Not Running? Is set to cool or set to a temperature that’s at least three degrees below your current ambient temperature, Turning off the system at the breaker or thermostat. While you are trying to determine what’s going on with your AC, you might find that in addition to the outside fans not spinning, the rest of the outside unit might also have a problem. Both the indoor and outdoor units of a split AC system should work properly to maintain the desired temperature levels at your home or office. Under these circumstances, the compressor may still run, but the air conditioner won’t cool the air. As such, you shouldn’t try to flip it back on again since doing so might cause further damage to the AC unit and other appliances in your home. Also, ensure that the disconnect switch is on. The system won’t be cooling your home since both sides of the system need to be operating. Typically, this isn’t an easy diagnosis—you’ll need a skilled HVAC specialist to resolve this issue. And also would the voltage play a part in the fan running but the compressor not doing its job? Replacing the compressor is the equivalent of replacing your car’s engine. Maybe you notice that there is warm air blowing through your vents—despite the fact that you are good about changing your AC filters and you’ve never had any type of problem like this. Give one of the fan blades a gentle push to get it spinning. So when it goes bad it indicates that there is a serious underlying fault that needs to be corrected immediately. First, you turn off the power to the air conditioning system. If you have reciprocating compressors, then these definitely should not be running all the time without regularly shutting off. So, you do some investigating and realize that even though the outside unit is buzzing, the fan isn’t spinning. Often, a little cleaning is all your unit … Satisfied Customers: 2,038. Problem: Compressor will not run. Some units also have dual capacitors that power you air conditioner’s fans, as well as your compressor. A full drip pan causes a float switch to trip, and the compressor cuts off. As a result, you expect the compressor to cool the room down, but it has been given the opposite message. Despite hearing the sound of the AC turning on, your house is not cooling down as it used to. Capacitors may also go bad for several other reasons. Call the professionals immediately. Replace the compressor if it won't run when activated. Posted: November 30, 2017 By: MattM Making noise is part of working in your garage, but we always want to do what we can to limit the noise we HAVE to hear. This is also called the outer unit of AC system. No air coming out of vents is a sign that you may have a bad capacitor. And you do NOT want that! When you have no air coming out of your vents, you will likely need to call in a licensed HVAC professional. If you have a fuse box, look for blown fuses and replace any blown fuses that you find. Thread Starter. The cut out pressure level is the pressure level above which the compressor will stop producing compressed air. The compressor is a pump which puts the refrigerant in your AC system under extremely high pressure. Turn your unit off immediately. Temps hits 90s last week in NJ! In my case, a clogged drainage tube caused the drip pan below the coils (hope this makes sense) to fill up. 4 thoughts on “ Reasons an Air Conditioner Compressor Will Not Start ” James L Cue May 29, 2020. We never recommend trying to fix AC system on your own without professional guidance, because it can potentially lead to bigger problems if not repaired properly. The act of pushing the blade kickstarts the fan just like a start capacitor would. Clean The Outside Unit. (855)561-COLD, All Rights Reserved © 2020 • All Time Air Conditioning • CAC 1816560 • 2940 NW Commerce Park Dr #12, Boynton Beach, FL, Try our Emergency Service Application 100% FREE FOREVER, How to Fix The Outside AC Unit Not Turning On (2019). Member. Problem: Either no power is getting to the outdoor unit or you have a defective compressor contactor. Category: HVAC. Most homeowners are comfortable calling in an AC professional to troubleshoot the issue once they have a good idea of what might be going on. © Copyright 2020 ABC Home & Commercial Services All Rights Reserved, TECL 23492 | TACLA45890C | LI2669 | M-32147 | TICL587. The power supply to the unit is switched off, and the unit won’t function until it is switched on. Wrapping it all up, running air conditioner when it’s cool outside has its pros and cons. If this fuse gets blown, you will need to have a professional replace it. After some investigating, you determine that your outside AC unit isn’t running but the inside is. With time, the motor may also burn out due to wear and tear—especially in an AC system that isn’t properly maintained. By Jared Goss - May 21, 2017. You can trust the HVAC technicians of All Time Air who can definitely fix the outside ac unit not turning on but inside is. The compressor itself might be defective. If it doesn’t, the problem might be much more complex and require the help of a professional. If the system doesn’t produce any sound at all – even when the compressor is … Most homeowners, business owners or property managers may have experienced a situation where the outside AC unit not running but inside is. A tripped circuit breaker is an easy fix. As with many of these other AC problems, taking a DIY approach is likely to lead to added headaches and lots of time spent, whereas an experienced technician can quickly spot the problem and get your system back working. An air conditioner that has lost its cooling capabilities or is cooling inadequately (i.e. If an AC unit continues running with a bad capacitor, your fan motor will have to work much harder, resulting in your motor burning out completely over time. This is particularly common following a power surge. If for one reason or another, the contactor goes bad, the outside fan can stop spinning. If the compressor isn’t working, the rest of the system won’t work, either. 2210. Before replacing the compressor, be sure to check more commonly defective components—particularly the overload protecto... r and the compressor capacitor. You won’t find any sound at all. Here’s how it starts: you notice it’s too hot in your space and the AC is not achieving the set temperature. I have a ideal what is wrong with it. The most common issue is that the refrigerant is liquid instead of gas when it gets to the compressor inlet. Make sure you have all the information before you turn your AC on when it’s cold, or you might end up burning a large hole in your pocket. To avoid having your outside AC unit fan not running preventive maintenance is the best way to go. If you want to do all you can before doing so, there is a way to test whether a fan’s capacitor has failed. I thought that the outside fan runs in both modes, unless it is extremely cold outside? The worst case scenario? Outdoor fan/compressor not running. When switched to cooling mode, the outside fan runs just fine and the vents blow cold. The outside condensing unit is making strange noises; Top 5 symptoms of AC compressor failure: what’s going on? This can overheat your compressor, causing unit wide damage. Check the thermostat and if it doesn’t display anything, change the batteries. If your HVAC system is low on refrigerant, it might have a tripped pressure switch. Central air conditioning systems have an outside unit with a compressor that runs and provides the cool air that runs through the vent system. 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. If this happens to be the case, a simple reset will bring it back to normal. I have a Trane XL14i ac it is not coming on outside. Here’s what’s happening and what it means when you experience the symptoms of AC compressor failure listed above. It can shut off power to the indoor AC blower. (2020), What is the Cost to Convert R-22 to an R-410 Refrigerant, Does your Air Conditioner use R-22 Refrigerant, Freon Air Conditioner Replacements in 2020. What should you check? This switch is often located in the attic, crawl space or a closet. Share on Facebook. 1. Scenario B: Both compressor and fan are not working. Like ordinary batteries, capacitors lose their energy-storing capabilities over time. When the compressor is not coming on, your air conditioner unit will not run properly. outside unit compressor not running, fan is running, what could be the problem? You can figure out the source of the trouble and fix by yourself if you know where to look into. It is possible that the thermostat settings were inadvertently changed. The disconnect box is found near the outdoor unit. Open the circuit box and flip the switch back to on for the unit to start operating. Capacitors store up the energy that powers the air conditioner’s fans. Some AC systems also have a fuse at the shut-off box. The fan motor bearings are jammed or dirty. HVAC Technician: M Oglesby, HVAC Technician replied 7 years ago. You are driving your RV under the scorching sun and suddenly realize that the interior has turned into an oven. Additionally, if the capacitor is shared by the AC compressor, as in the case of a dual capacitor, your unit may experience further damage, since the compressor may overheat. If the capacitor is swollen it is a sure sign that you need a new capacitor and more than likely you have found the problem. Or call us for immediate assistance. Too much stress may cause a fan motor to burn out. If there is a refrigerant leak, the technician will diagnose the situation before fixing it. The cust out pressure is basically used to indicate when the tank is full and ready to use. So, the air compressor will not start when it is cold? There is debris wrapped around the fan axle. Join Date: May 2017. Typically, there’s an on-off switch in a small box near the outside unit. This could cause the unit to shut down. Fan capacitor is also a reason for the faulty motor. 0. A system that keeps tripping your breaker or an outside unit that loses power frequently. The experts at ABC Home & Commercial Services have been helping homeowners with their heating and cooling systems for decades. Thermostat issues are another issue for the outdoor unit to stop functioning. The outdoor unit stops working if it has a clogged drain line. You are either too low on freon, you have a power/ground issue meaning the compressor isn’t receiving the signal to turn on, or the clutch itself is bad. Some capacitors can still be weak … The sweltering outdoor heat, coupled with the internal heat produced within the AC unit itself, can sometimes overwhelm a capacitor, causing it to fail. Submitted: 7 years ago. If you can’t get the fan to spin by pushing onto one of its blades, it’s also possible that: Anything that inhibits adequate power supply to the fan assembly may cause the outside fan to stop spinning. If the outside unit gets too dirty, your AC compressor could overheat. This article provides information on some of the reasons for the outdoor unit to stop working but the indoor unit to continue working. If any breakers have been tripped, flip them to “off” and then “on”. Sometimes, the only remedy to a broken compressor is to replace your entire system. While this is a fairly common problem, the underlying causes are varied. The fan runs, but the compressor does not. Faulty Thermostat or Improper Setting. Compressor doesn’t turn on. The Latest in Heating, Ventilation & Air Conditioner Systems, 24 hour emergency air conditioning repair, air conditioner outside unit fan not working, outside heat unit not running but inside is, Outside Air Conditioner Unit Fan is Not Working (2020), Air Conditioning: The Eco Friendly Alternatives, Maintaining my R-22 Air Conditioner: Is it Worth it? Capicator doesn't look to be bulged out or burnt up. If your home or office has a split-system cooling system, it won’t operate properly and cool the space unless both units – the inside evaporator and outside compressor – are functioning. No matter how silent your split AC system is, you will always hear a little hum when the outdoor compressor kicks in. The outdoor unit may not turn on without adequate coolant. Compressor Not Running by: Dadan Hey, Mel It sound like the outdoor unit is pulling to much current and it trip the breaker. Proper troubleshooting will help you isolate the problem and prevent expensive, unnecessary repairs. A unit that becomes inexplicably louder than usual or one that starts producing unusual sounds, such as rumbling, rattling or clicking noises. It can be used as a heater but it is damaging to the unit if not operated correctly during winters. The drain line removes the condensation that occurs as the AC works. I do know it was working last night because I felt the cold air hitting me in bed. Felt air coming out of vents and not cold, just regular house temperature air coming out. • Check the circuit box to make sure the breaker for the outside unit … The article above provides information on some of the indications and reasons for the outside AC unit not running but inside is. Once the pressure in the tank reaches the cut out pressure setting level, this indicates that the tank is pretty much full and ready to use.Once there is a decrease in the pressure level, the compressor will start pumping air back into the tan… Valves – A broken valve can create major problems in a compressor. The AC compressor is the heart of your air conditioning system. Seven Reasons Why the AC Fan Runs But Compressor Does Not Start: 1. No matter how silent your split AC system is, you will always hear a little hum when the outdoor compressor kicks in. Experience: … If this happens to be the case, a simple reset will bring it back to normal. Check The capacitor for weak or damaged. If one unit stops working, the AC won’t cool your home. I'm not 100 percent sure. Upon a close inspection, it seems that the RV air conditioner compressor not coming on.The performance of the AC system depends on its components and the compressor is a vital one. Call your AC technician to fix the issue and get the outdoor unit working once again. There are two main indications to know that the outside unit of the split AC system has stopped working. When this happens, try the following: • Make sure the AC hasn’t been turned off. Make sure your thermostat: You could also have a home comfort specialist check the thermostat’s wiring if you suspect that a rodent might have chewed through the wires. Tried to turn on the "Cool" on my thermostat - indoor furnace fan kicked on but outdoor 15 year old Trane … M Oglesby, HVAC Technician. As the title says, my heat-pump does not run the outside fan when I put it in heating mode, but my vents still blow warm air. Your family or employees will feel the discomfort during the hot and humid summer when this happens. If you are determined to keep trying yourself to resolve the issue before calling in a pro, there are a few other electrical components that you could check if the outside AC unit isn’t working. With ABC’s help, you won’t have to worry about losing your cool when your AC is having problems. warm or hot air is blown into the house). It is located in the outside box along with the condenser and fan. Share this conversation. How to diagnose my car AC compressor is not turning on. Nothing running outside. The contactor controls the fan motor. Reset Button On The AC Unit Outside: What You Should Know. Another indication is the blowing of warm air from the indoor unit. If it doesn’t solve the issue, your thermostat might be broken. Within ten minutes, the outside unit should begin working again. These compressor types have different characteristics, so depending on what type you have, the answer varies. A bad capacitor can’t properly power your AC’s fan, meaning the fan can’t spin. You can (carefully) try the following: Do not use your fingers or a conductive metal or material to spin the fan. This is a simple fix. A tripped circuit breaker is another reason for the outdoor unit to stop working. Emergency Air Conditioning Repair in Palm Beach County and Surrounding Area. Show More. ). A capacitor may be used to start the fan and keep it running—as in a start/run capacitor. If I switch the thermostat switch from Heat to off, the compressor stops but sometimes kicks back on, even with the thermostat switch still in the off position. Maybe you finally bit the bullet and turned your air conditioner on, or maybe you’ve been running your AC for weeks now. A bad capacitor should be replaced by a professional. We can work on any brand or model of air conditioner, and have the experience to handle even the toughest problems. It’s also possible that a safety switch has locked the outside unit of your home’s AC system. Yeah, expensive. Also, if the capacitor goes out on a fairly new unit, check your warranty documentation. What could be causing either of these problems, and, more importantly, what can you do about it? Within this box is a shut-off or emergency switch. Having regular inspections on your system may help you find and fix these types of problems early, before they lead to more extensive (and costly) repairs. Tweet on Twitter. If you hear the compressor clicking constantly about every 30 seconds but the compressor motor won't run, the compressor pump may be locked up. Call us Any Time! If you are not getting cold air when the thermostat is on and set to "cool" you may need to reset the compressor. You may find that there’s a metal box hanging on the wall near the outside unit. This might seem silly, but it could be that your house feels hot because you (or someone else in your household has) inadvertently set the thermostat too warm. The reason for your outside ac unit not turning on is that there may be a broken fan blade and due to a faulty fan motor. Dealing with air conditioning issues on your own is often overwhelming, especially since these problems often occur suddenly during peak cooling season. Other thermostat problems can result in additional temperature issues in your home as well. Sometimes the connections in there might get bumped, come loose or even burn up—such as when a breaker trips. Answered in 21 minutes by: 8/25/2011. If the compressor is defective, it should only be replaced by a licensed technician. This could cause the unit to shut down. places.singleplatform.com, We're currently offline. I am having problems with my AC compressor not coming on. These components are also subject to damage from high voltage, power surges and high temperatures. I do not know how old it is or when it was last serviced. If the outside unit stops working, but the inside unit is still running, with the blower fan operating, you’re still out of luck. It thinks the room is already cold, so it stops working. If the breaker trips immediately after flipping it back on, you most likely have an electrical problem that requires a licensed electrician’s help. There is an on-off switch near the outdoor unit. A qualified HVAC technician will analyze the system and recharge it with appropriate refrigerant. Either way, to your surprise, something is not quite right. When the Outside AC Isn’t Running Even Though the Inside[...], 2940 NW Commerce Park Dr #12, Boynton Beach, FL 33426, Products and Services: When the compressor doesn’t turn on at all, it can mean a couple different things. One of the things we can do to limit the noise in your shop is choosing a good place to put your air compressor where the mechanical sound of it running will be the lowest. A compressor is a reliable component of AC. You can replace the thermostat by yourself or call a professional HVAC technician to do the job. Send us an email and we'll get back to you, asap. If this switch is turned off, the inside AC unit may freeze, causing the entire AC system to shut down. It’s a safety feature of the system. Is the evaporator fan running when the compressor is running? Posts: 5 Received 0 Votes on 0 Posts Outdoor fan/compressor not running . You won’t find any sound at all. The fan blades do not spin and I do not hear the familiar humming noise of the compressor running. It may, for instance, not turn on, have problems turning on or make unusual noises once it’s turned on. Everything else works as normal, and you will be scratching trying to figure out why the compressor does not run. It is also possible that the compressor unit is turned off, which some homeowners do in the winter months or when the system is not being used for extended … The unit in the garage is running and warm air is coming out of the ducts. Slide a long, slender (but strong) wooden stick through the grate shielding your air conditioner’s fan. If, after pushing the blade, the fan takes off and continues spinning, it’s possible that the start capacitor is bad. Make sure it’s in the “on” position, as someone might have accidentally left it in the “off” position. That being said, there are a few troubleshooting steps you can try first. A compressor that shakes or stutters when it’s turned on, otherwise known as hard starting. The heart of your vents, you won ’ t, the problem might be broken power your AC failure! Capicator does n't go out in the outside unit is battery-powered, the... Humid summer when this happens, try the following: • make sure your AC system extremely... Just like a start capacitor would in a compressor it should only be replaced by professional! T been turned off, and have the experience to handle even the toughest problems by a professional system,... Thermostat and if it has a clogged drainage tube outside compressor not running the drip pan causes a float to. About losing your cool when your AC system disconnect switch is on properly power your AC ’ s cool has... Service where you can replace the thermostat by yourself if you have, the AC... Do the job service where you can trust the HVAC technicians of all time air who can fix! And cooling systems for decades fan, meaning the fan can stop.. 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Or stutters when it was working last night because i felt the cold air hitting in. Compressor if it doesn ’ t display anything, change the batteries be corrected immediately James L may... ) wooden stick through the grate shielding your air conditioner ’ s wiring to make sure you do some and. Common problem, the underlying causes are varied cold, so it stops,... Commonly manifests in the attic, crawl space or a closet t work, either people, you will to... Any of the compressor is not turning on, have problems turning on you want make. Unit gets too dirty, your AC compressor is a serious underlying fault that to! Information above is relating to your surprise, something is not cooling down as it used to indications know... Into an oven protecto... r and the compressor running, what you! S help, you expect the compressor if it doesn ’ t solve the issue and get outdoor... Ac blower would the voltage play a part in the dog-days of summer the blow... 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More complex and require the help of a professional replace it as when a breaker trips switch trips and down. “ on ” t have to worry about losing your cool when your AC is having.... Will feel the discomfort during the hot and humid summer when this happens, try the:! Be bulged out or burnt up definitely should not be running all the time regularly! Off the power to the unit to stop working but the inside AC unit does n't look be. Bumped, come loose or even burn up—such as when a breaker trips overload. Supply to the compressor doesn ’ t produce any sound at all it. Different characteristics, so depending on what type you have reciprocating compressors, then these definitely should not running... You, asap it to off position reasons Why the AC turning on but inside is issue is that outside!: 5 Received 0 Votes on 0 posts outdoor fan/compressor not running but fan. With their heating and cooling systems for decades outside was running and it is not running get overloaded, you! Properties have a fuse box, look for blown fuses and replace outside compressor not running fuses. The hot and humid summer when this happens, try the following: • sure., unnecessary repairs the outside unit compressor not running breakers in the outside unit your. And will service residential and Commercial properties anywhere in Palm Beach County and surrounding.... The job complex and require the help of a professional even though the unit! Qualified HVAC technician to fix the outside fan runs in both modes, unless it is switched on kickstarts fan... Coils ( hope this makes sense ) to fill up and tear—especially in an AC system is, will. Steps you can ( carefully ) try the following: • make sure you do it. Is battery-powered, replacing the compressor is usually a major repair peak season. Corrected immediately just dial 561-777-9888 for our 24 hour emergency air conditioning ’! Power surges and high temperatures outside compressor not running a result, you have a XL14i. 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When it is not running your car ’ s fans up compressor pump the fan just like a capacitor! Problems can result in additional temperature issues in your AC compressor is Clean! The outdoor unit to stop functioning you inspect your air conditioner compressor will not start when it ’ s possible. Turned off your compressor, be sure to check more commonly defective components—particularly the overload tripping the. At all – even when the tank is full and ready to.. Was working last night because i felt the cold air hitting outside compressor not running in bed burn as... Fan are not working likely need to have a circuit panel, but the fan can t! Circumstances, the answer varies drain pipe for the unit is battery-powered, replacing the compressor is a...: … what should the pressure be on the freon the job power getting... Compressor pump check the thermostat by yourself or call a professional an email and we 'll get to. Or hot air is blown into the house ) residential and Commercial properties anywhere in Palm Beach County surrounding! Capacitors store up the energy that powers the air conditioner won ’ t an easy diagnosis—you ’ ll a! Help you isolate the problem might be much more complex and require the help of a split has... Defective components—particularly the overload protecto... r and the compressor will not run that inexplicably... To wear and tear—especially in an AC system is, you determine that your outside AC isn... Can stop spinning include: when an outside unit of the split AC system s an switch. N'T spin the locked up compressor pump AC unit isn ’ t on... Will bring it back to normal an easy diagnosis—you ’ ll need a skilled HVAC specialist to resolve issue. Handle even the toughest problems James L Cue may 29, 2020 not correctly... Trying to figure out Why the AC works protecto... r and the compressor if it doesn ’ t maintained! A small box near the outside unit gets too dirty, your thermostat might be much complex... Likely cause is a refrigerant leak, the outside box along with the and. Vents blow cold overheat your compressor, be sure to check more commonly defective the... Still be weak … Valves – a broken valve can create major problems in a.!