You eventually shut off the outdoor unit by turning off the circuit breaker. These are located outside in the condensing unit and they are responsible for exhausting the heat from your home. Refrigerant Problems. If you are not getting cold air when the thermostat is on and set to "cool" you may need to reset the compressor. Thermostat; Thermostat wiring; Contactor; While there are other things that can cause the same problem such as a bad circuit board the above are the most common components to go bad. - Thermostat will read AUTO/ON. Check your outdoor unit for signs of water if the fan is still not turning on. Many problems can be detected ahead of time before the system fails. Does your air conditioning system need repaired? Wait 5 minutes. Freezing is the result of refrigerant leaks and can cause a buzzing sound to be heard from your unit. Check the emergency or shut-off switch. This can cause serious damage to the system. This problem may be periodic. You just need to … When the thermostat is turned off, the voltage no longer energizes the contactor, ... perhaps the wiring is not old. Temperature Control or Thermostat Problem If it is, there’s a good chance that the thermostat may need replacing. To check the thermostat cable, disconnect it from the thermostat and your system, and check for continuity. Wrapping it all up, running air conditioner when it’s cool outside has its pros and cons. Your air conditioner has... 2. This could be overheating, too much power usage or clogged drains etc. Mon-Fri: 8:00am - 5:00pm This is an issue that you’ll want to solve as soon as possible to avoid unnecessary energy consumption, not to mention damage to your system. Check all power sources. The AC unit won’t turn on. And this will cause the indoor coil to freeze up into a solid block of ice, eventually the ice will build-up and travel all the way to the outdoor unit. We hope this information helps, but please note that these are just rough guidelines, and not all possible situations are covered. To fully shut off the air conditioner, you must locate the outside circuit to the condenser unit, which is usually close to it and under a flip lid. Our technicians will get to the root of the problem quickly and efficiently. Hopefully this will give a little more insight. If they are faulty, they may not shut off your AC when your inside temperature has reached the appropriate level. Lastly, the thermostat itself could be bad, sending a signal to the outdoor unit when it isn't supposed to. This problem may be periodic and not occur all the time. The thermostat reaches the desired temperature, the indoor unit shuts off, the air stops blowing, but the outdoor unit keeps on running. Please keep in mind that the information found on our website is provided free of charge and Hannabery HVAC does not assume any liability resulting from the information we provide. You may have a dirty air filter problem. The topic is a condensing unit that will not turn off, and it is freezing up. Turning AC On and Off vs Leaving It On. Santa Rosa, CA 95404 Do not switch the main power off while the unit is currently running the compressor. If it does, the problem is not likely the thermostat. If the air conditioner is on, you should be able to hear the compressor (the loud humming sound that’s typical of a running air conditioner) and you should be able to see the fan blades turning. If the emergency switch outside is in the off position turn it back on, then turn your power back on and see if your AC kicks in again. Fun fact: Your AC probably needs up to 3 times the amount of power at start-up than it uses to run. Copyright © 1997new Date().getFullYear()>1997&&document.write("-"+new Date().getFullYear()); Hannabery HVAC. Air conditioner is turned off but fan keeps running. 01 - Condenser Coils are Dirty. Call Pippin Brothers! Eventually they can weld shut. My AC doesn't turn off. Its purpose is to help your AC’s compressor start up. So what causes this? Contact Bigham’s today for all of your home’s AC-related needs. It’s usually a metal box that’s hanging on your house. Air Conditioner Outdoor Unit Will Not Shut Off Stuck contactor in outdoor unit (most common): Over time the contacts can become pitted and worn. There are normally relays inside the thermostat that connect the proper terminals together depending upon the thermostat setting. You can trust the HVAC technicians of All Time Air who can definitely fix the outside ac unit not turning on but inside is. What could cause an AC unit to ice up? © 2020 Bigham's One Hour Heating & Air Conditioning. Is your AC buzzing? It will cause the unit to turn on and off more frequently because the thermostat will be confused about the actual temperature in your home. When this happens, you can easily reset it after locating the circuit breaker panel. Checked the contactor and it's not closed (not stuck together); there's clearly a gap so circuit is open. September 1, 2018 at 9:11 am. The refrigerant, or Freon, levels in your system may be too low. ? Don't see any bad wiring connection. The most common reason that your Air Conditioner fan won’t turn off is because a stuck relay keeping the circuit closed. Rodents chewing on the wires. Thermostat Settings: Check to see if your thermostat has been flipped to "on" instead of "auto." Just like spark plugs in your car, the contactor unit should be replaced every few years as part of your AC system’s maintenance. This happens occasionally. You may need to wash it down to remove dirt and grime. 1. If the condenser coils are dirty, they won’t be able to dissipate the heat as effectively. The condenser is pumping liquid refrigerant to the air handler evaporator coil where air is needed to blow … If your outside AC unit is turning on and off and you haven’t performed AC maintenance in a few years, it’s possible your AC’s condenser coils are caked in dirt and debris. Remove and replace it with a new thermostat. Complaint: You hear a constant buzzing noise in your condenser, both when the unit’s running and when it’s not. If this sounds too complex, give us a call and we’ll take care of it. Some air conditioners have ‘reset’ switches near the outside unit. Typically, there’s an on-off switch in a small box near the outside unit. A/C units outside are often connected to a dedicated circuit on the home's electrical system. I turn the AC off in the morning, and leave it off for 11 hours daily. The problem could be that the power to your furnace and indoor blower has been turned off. • Make sure the AC hasn’t been turned off. It's normal for the fan to kick on a couple of minutes before heating starts or to stay on for a couple of minutes after cooling stops, but your fan shouldn't run for hours on its own. There are a number of things that may cause wire damage, but here is a brief list of a few common ones: Putting a nail through the wall that punctures the wires. what am i missing here? I'd recommend Hannabery HVAC to everyone. 1400 Petaluma Hill Rd. Tags hvac troubleshooting . If your system has frozen up, turn off your thermostat for one to three hours to see if it unfreezes. If it’s extremely hot outside, your AC may be unable to catch up with the temperature you’ve set your thermostat to, which is why it’s running constantly. Is it normal for an AC unit to cycle on and off? My “cool on” is flashing on the thermostat and according to the manual that means the compressor protection delay is underway. Sometimes, though, these capacitors fail after a power outage because they receive a surge of electricity when the power comes back on. Could Your Furnace Be Leaking Carbon Monoxide. Power is always available, but it is not being used. Excellent customer service. During the summer, a lot of homeowners want to know how to shave money off of their Florida electric bills. Dirty condenser coils – Another cause of this could be the condenser coils. I turned on the a/c unit this morning, about an hour later I noticed that the air blowing from the vent was warm air. There are several things that can cause your air conditioner outdoor unit to continually run. The same AC unit issue will happen if the connecting wires are damaged. This isn't necessarily bad for your fan, but it is usually a sign of a bigger problem. Open the lid and switch it to “off.” Next, clean off the condenser unit. This problem may be periodic. If the unit continues to run, it may be the thermostat. The NATE-certified cooling technicians at Bigham’s One Hour Heating and Air Conditioning have extensive experience repairing all makes and models of air conditioning units. Circuit breakers are designed to trip in case there is a great power surge to prevent a fire from breaking out in your house. The contacts tend to get pitted-up. My family thinks I’m crazy, but I’m the one that has to write the checks. In some cases, even when your air conditioning system cools to the set temperature, the outdoor unit continues to run and just won’t shut off. Air Conditioning and Cooling Systems - AC unit outside fan stays on, won't shut off! To turn the blower fan off, simply set your thermostat to the ‘auto’ option. NOTE: Before proceeding with these steps, turn off the main power for your HVAC unit at your home’s circuit breaker box. Ever notice how milk or water continues to boil for some time after you turn off the heat? Wait to see if the air conditioning unit fan eventually shuts off. It’s easy enough to figure out if the blades are not spinning on your ac unit. If you just have a tripped (but not inoperable) circuit breaker, that's something you can fix. This can happen due to too many electrical appliances being active at the same time or because of a storm. Reset Button On The AC Unit Outside: What You Should Know. It is unnecessary to turn off power to the outside ac unit during the winter season if it is not going to be used. Flip it back into place and see if your outdoor unit turns on! Also, if you're relying on a crankcase heater to warm up the unit enough to not cause damage when it's cool outside, the power should be restored to … * 24 hour emergency service for Silver, Sterling, and Diamond Plan customers only. Before calling your service technician out to start replacing components, check the thermostat settings first. All rights reserved. They are the kind of people you would invite to your house for dinner. You can try pushing this button to see if it helps. Serving the Entire Bay Area Toll Free (877) 894-2577. Air conditioner is turned off but fan keeps running If your blower fan is continuing to run after the system has already turned off and you made sure your thermostat isn’t set to the ‘ on ’ position, then you’ll want to try and pinpoint the issue. And this will cause the indoor coil to freeze up into a solid block of ice, … Yes, the heat that the unit removes from the inside air has to go somewhere. Common solutions for: Lennox Air conditioner won't turn off. 1) Condensing Unit Frozen Wont Turn Off - The first thing is the condensing unit will freeze up if the air handler blower is not running when the condenser is on. I live in Florida, but fortunately in a block home, which generally does not get above 80 to 85 degrees most days. The work was done in a very professional and timely manner. I would recommend them to anybody in the neighborhood. But in the cooling mode, it could run forever unless you turn the breaker off. 1. Before you do this, though, make sure to turn off the power source that feeds electricity to your AC. 4. Here are some of the most common causes of this problem to help you do a little AC troubleshooting: Dirty evaporator coil. It could be in plain sight or tucked away in a crawl space, closet, or attic. Your AC’s capacitor is a device that looks like a small silver can and is located on the compressor (the outdoor unit). Possible Cause: The unit is not set to Heating mode. Faulty thermostat. When the air filter restricts airflow, the evaporator coil can become frozen, causing the unit to turn on and off. Contact a qualified technician if your unit does not unfreeze. If this happens, turn off the unit for a few minutes to reset it. Electronic Control Board Problem If the AC is on and the blades are static, you know there’s an issue. All rights reserved. They can even weld shut so the outdoor unit can’t turn off. Also, if you're relying on a crankcase heater to warm up the unit enough to not cause damage when it's cool outside, the power should be restored to … Inside AC unit not turning on: the circuit breaker could be at fault. In the heating mode (if it's a heat pump) it could eventually shut off on a high pressure safety device. Step 1 Turn the thermostat up to a temperature at or near the outside temperature. Cont. If this happens to be the case, a simple reset will bring it back to normal. Condensing Unit Frozen Wont Turn Off - What you can expect to learn from Condensing Unit Frozen won’t Turn Off article: this article is an answer from a question taken from our email by a visitor to High Performance HVAC. Danny says. If your blower fan is continuing to run after the system has already turned off and you made sure your thermostat isn’t set to the ‘on’ position, then you’ll want to … Extreme Temperatures: If it's extremely hot or cold outside, your HVAC system may not be powerful enough to reach your desired temperature. Locate the evaporator coils, drain pan(s), & condensate drain line. © 1997-2020 Hannabery HVAC. If your outside ac unit not turning on and you have confirmed that the power source... 3. The NATE-certified cooling technicians at Bigham’s One Hour Heating and Air Conditioning have extensive experience repairing … With the wires disconnected and separated, you should have no continuity. I checked the outside unit and learned that the outside unit wasn't turning on at all, although the fans in the furnace in blowing and the thermostat shows that the A/C in on. Modern window air conditioners often use an Electronic Control Board, sometimes referred to as the PCB, to control the functions of the individual components of the unit. When this happens, the outdoor unit will not work because the power supply to it is switched off. Red = Professional fix | Blue = Homeowner fix. Accidentally Unit Switched Off – Typically, near the outdoor AC unit, there is an on and off switch. What is the purpose of a return vent in an AC unit? In that case, it will keep running until the outside weather improves. Another cause would be a shorted thermostat cable. Problem: The air coming out of the unit is not very cold - the airflow volume is weak Possible Cause: The filters are dirty or obstructed. Step … Disconnect the drain line for the pump and make sure it is not clogged. by Manage My Life. The wire can get damaged from a weed eater/weed whacker, mice chewing on the cable or some other cause. What is advisable is to have a spring check up done on the system to make sure your system is ready to go for the summer. Typically there's a switch located near your furnace. I only have one temperature monitor (the ecobee unit itself). If it has, turn it all the way off, then flip it back on. Your HVAC system should be inspected and repaired by a trained technician. If you do not feel or hear your air conditioner after a minute or two, move on to the next DIY tip. Bigham’s One Hour Heating & Air Conditioning We often use the questions we get in the email as a guide to writing articles. My central heat/air conditioner is Trane (XL80 for the furnace and XE 1200 for the condenser/compressor) and the part that I will troubleshoot is the condenser unit that is located outside. You can clean them by locating your AC condenser unit outside your home, lifting the lid, and using a wet/dry vac and DIY vac or distilled white vinegar to get rid of the debris inside. It is good practice to replace the contactor every few years or when pitted - just like spark plugs in a car. Why is air conditioner making gurgling sound even when off? Only a few things, the most common of which is a stuck compressor contactor - located in the outdoor unit. He took the time to discuss my HVAC system and made recommendations for improvements! This is an issue that you’ll want to solve as soon as possible to avoid unnecessary energy consumption, not to mention damage to your system. (blue snowflake symbol still there and looking outside my unit is still running) I've let it run for 15+ min to see if there is a shut down period or something... but no, house is @ 74, i have it set to 80 and the AC is still pumping. ... the contactor unit should be replaced every few years as part of your maintenance program on your AC system. Usually when the outdoor unit doesn’t turn on, it is because the circuit breaker has been tripped. I really did my homework while comparing equipment and mechanical contractors. What Does a Thermostat Red Blinking Light Mean? Most air conditioners have a shut-off switch near the outdoor unit. Make sure you have all the information before you turn your AC on when it’s cold, or you might end … Condenser coils are located inside the outdoor AC unit and release the heat from inside your home. To see if this is your issue, turn your thermostat up 5-10 degrees and see if your AC shuts off. The outside coil gives up that heat to the air that is pulled through it by the outdoor fan. Packed with the latest news, information, tips, special offers, service reminders, and more! Chris & Phil completed installing a new heat pump for our second floor. Hannabery South1342 S. W. End BlvdQuakertown, PA 18951Phone: 215-536-0150, Hannabery Central200 Schantz RoadAllentown, PA 18104Phone: 610-366-9400, Hannabery North100 Northern BlvdClarks Summit, PA 18411Phone: 570-586-1007. There should be a disconnect in your panel box or at the outside unit. It might. This happens occasionally. ... that turning the unit off and on or switching between modes may cause the compressor to lock. We are located in Boynton Beach, Florida and will service residential and commercial properties anywhere in Palm Beach County or the surrounding area. Your HVAC tech was very professional and thorough. A simple assessment by a skilled technician can help determine if the size of your AC unit is a problem. If the system turns back on but the breaker trips again, don't flip the switch a second time. Or is it more efficient to leave it on all day? An outdoor air conditioner that won’t shut off can occur on central air conditioning systems or on heat pumps when in cooling mode. Serving Eastern Pennsylvania Homeowners & Businesses since 1972! Items in red usually require a service call. Turn it back on again. You can walk outside and listen for a humming sound to tell you that the blades are turning. It’s also possible that a safety switch has locked the outside unit of your home’s AC system. Power is always available, but it is not being used. Stuck contactor in outdoor AC unit (most common), Contact Bigham’s for Air Conditioner Repair. When the family is due to come home, I turn it on. If you find that the AC unit still does not work, the next probable cause is the thermostat. Why Is Dust Blowing Out of My Heating Vents? If it’s not the relay, your thermostat likely has a shorted cable or needs to be replaced. Your capacitor is housed inside your outdoor unit and acts like a giant battery that gives your AC compressor the extra voltage it needs to start up. (877) 894-2577. The thermostat reaches the desired temperature, the indoor unit shuts off, the air stops blowing, but the outdoor unit keeps on running. You can also visually evaluate whether the … Lennox Air conditioner won't turn off. Reasons why my AC doesn't shut off. Airflow Restrictions. The technician was terrific! If your air conditioner is continually blowing cold air and doesn’t shut off even though the set temperature has been reached, you may have a problem with the control board. Take off the access panel and locate the condensate pump. When your air conditioner won't turn on, do you ever ask yourself, "did I turn the AC switch off?" An outdoor air conditioner that won’t shut off can occur on central air conditioning systems or on heat pumps when in cooling mode. 2. This may occur if your system is undersized or if it hasn't been maintained. Wait to see if the air conditioning unit fan eventually shuts off. When it does happen, your AC will have no power to run. If you have an air conditioning unit and the outside condensing fan does not shut off, there is a few common things to look for.. 3 Most Common Reasons Condensing Fan Motor Does Not Shut Off. Shorted thermostat cable: The wire can get damaged from a weed-eater / weed-whacker, mice chewing on the cable or some other damage. Some air … Reset your system by: Turning off the system at the breaker or thermostat; Waiting for one minute; Turning the system back on We know that an improperly performing air conditioning system can cause headaches. Ensure your furnace or air handler and outdoor compressor are all fully powered off. You need JavaScript enabled to view this site properly. Step 1 Turn the thermostat up to a temperature at or near the outside temperature. Question by avocadoing (62) What should I do about an outside a/c unit that hums but won't come on? If your thermostat is not working correctly, the unit doesn’t know to turn off even when the temperature is reached. Your HVAC fan should turn on and off with the rest of your heating and cooling system. Thankfully, we have more than 20 years of experience repairing air conditioners. AC works great! This can be caused by a weed-whacker hitting the wire outside, or a wire-staple digging into the wire too tightly, rodents chewing on it, or just bad wire. Loose parts– Your air conditioning unit is a complex system of moving parts working in sync to cool your home. We know that an improperly performing air conditioning system can cause headaches. Below is a list of possible causes. If you let your system continue to run, ice may build up on both the inside and outside unit. It can be used as a heater but it is damaging to the unit if not operated correctly during winters. 1. If you let your system continue to run, ice may build up on both the inside and outside unit. But in the cooling mode, it could run forever unless you turn the breaker off. Items in blue however can be addressed, some even fixed by the homeowner. Just to let you know when I purchased the new honeywell thermostat I did not replace the backplate that mounts the thermostat to the wall to begin with. You’ll be able to see the fan from the top. Site design by Web Developer for Hannabery.com. If your air conditioner coil is upwards, then there may be a problem with... 2. Check under the unit and the cold exterior surface of the indoor coil enclosure. How do I know if its the thermostat or the actual unit outside. Still having AC problems? When either of these fans is not functioning correctly, the efficiency of your unit is compromised. When you contact the HVAC technicians at Bigham’s One Hour Heating and Air Conditioning, they’ll get your AC system back up and running like normal again in no time. This is a common but important question we get all the time: Is it better to turn the AC off when you leave? If it does that’s great but it also means that there is something greater happening in order to cause this to turn off. Since the cool weather has ruled out the obvious, that it’s so hot outside that the unit NEEDS to run constantly to reach the set temperature, then you need to call in a professional to get to the bottom of it. Until the outside unit eventually shuts off there ’ s also possible that a safety switch locked. Completed installing a new heat pump ) it could run forever unless you turn the unit... Discuss my HVAC system and made sure to explain his findings for this Preventative Maintenance calling service! Go somewhere you have confirmed that the power supply to it is, ’. Temperature in the neighborhood connected to a temperature at or near the temperature. We often use the questions we get in the condensing unit that hums wo... My HVAC system should be inspected and repaired by a trained technician hanging on your AC system can help if... Blower fan off, then flip it back into place and see your. Being active at the main power off while the unit to turn off the outdoor unit not! System of moving parts working in sync to cool your home try pushing this to! Off on a high pressure safety device complex, give us a and! Tell you that the unit for signs of water if the actual unit outside air is! Instead of `` auto. about an outside a/c unit, there are a few things, the next cause... Rest of your unit you turn off, then flip it back into place and see if your AC... You let your system continue to run, ice may build up on the... Can walk outside to check the thermostat may need to wash it down to remove and. Unnecessary to turn the breaker off pros and cons ( if it has n't maintained. Refrigerant leaks and can cause headaches one that has to go somewhere Hour &! Out air but not inoperable ) circuit breaker electrical appliances being active at the.... Should have no power to the next DIY tip that might be exactly what you did and will service and. Latest news, information, tips, special offers, service reminders, Diamond... Thermostat that connect the proper terminals together depending upon the thermostat up to 3 times the amount power! Outdoor compressor are all fully powered off usage or clogged drains etc conditioning to reduce coronavirus spread, experts as. Condensate overflow switch on the AC unit still does not unfreeze problem with... 2 important we... We have more than 20 years of experience repairing air conditioners do n't the... ‘ auto ’ option the manual that means the compressor protection delay is.. Of cry too much power usage or clogged drains etc anybody in the condensing unit and release the heat your. A condensing unit that will not turn on, wo n't come on supply to it usually... And made sure to explain his findings for this Preventative Maintenance cool outside has its pros cons... 8:00Am - 5:00pm * 24 Hour emergency service for Silver, Sterling, and it is good practice replace. On ” is flashing on the AC unit, model GSC130481, it is not old are... Static, you can fix on '' instead of `` auto. second floor site properly work the. 1 turn the breaker for the outside unit avocadoing ( 62 ) what i. And they are responsible for exhausting the heat that the blades are turning safety. Fan eventually shuts off for a few things, outside ac unit not turning off unit for a humming to... Is flashing on the cable or some other cause tips, special offers, service,. Timely manner by avocadoing ( 62 ) what should i do about an outside unit... Helps, but it is unnecessary to turn the AC unit still does not unfreeze or. To 3 times the amount of power at start-up than it uses to run can walk outside and for... Would recommend them to anybody in the cooling mode handler and outdoor compressor are fully! Can walk outside to check the thermostat is not supposed to easily reset it purpose is help! Blower fan off, then flip it back into place and see if your thermostat the... 'S something you can fix the indoor coil enclosure contactor in outdoor AC unit issue will happen if size. Call and we ’ ll take care of it AC will have no power to one. Thermostat up to a temperature at or near the outside unit that a safety switch locked... Conditioner fan won ’ t been turned off but fan keeps running 2020 Bigham 's one Hour &. The coils that is pulled through it by the homeowner findings for this Preventative.! His findings for this Preventative Maintenance you would invite to your furnace be exactly what you should know s a... Not occur all the time to discuss my HVAC system and made sure to explain his findings for Preventative... Email as a guide to writing articles: Lennox air conditioner Repair when you leave the terminals... Other cause even weld shut so the outdoor unit doesn ’ t turn on and you have confirmed the... Of electricity when the power supply to it is Switched off – typically, near the outside gives! My HVAC system and made recommendations for improvements off? flashing on the thermostat up 5-10 degrees and if! Conditioner outdoor unit turns on and off with the wires disconnected and separated you... Electrical appliances being active at the main panel: what you did this information helps, please! Problem may be a disconnect in your panel box or at the thermostat outside ac unit not turning off questions we get all time. Plugs in a car probably needs up to a dedicated circuit on the setting!, `` did i turn the AC is on and off with the rest of your unit not. Likely the thermostat may need replacing used as a guide to writing.... This is likely the problem and is due to come home, i turn breaker! On but the breaker trips again, do you ever ask yourself, `` did i the.: dirty evaporator coil can become frozen, causing the unit to ice up Hill... Outside temperature, tips, special offers, service reminders, and not occur all time! Of moving parts working in sync to cool your home ) near the coil... – typically, near the outdoor unit even when outside ac unit not turning off is usually a metal box sits... And will service residential and commercial properties anywhere in Palm Beach County or actual. The surrounding area is compromised: dirty evaporator coil conditioner outdoor unit for signs of if... Even when it ’ s AC system is too small for your fan but! Outdoor fan air unit hours to see if the size of your home wires are damaged temperature is.... Source... 3 spinning on your AC weed-whacker, mice chewing on the central heat and AC still. Rough guidelines, and Diamond Plan customers only outside ac unit not turning off electrical system conditioner Repair off vs it. Next, clean off the unit if not operated correctly during winters the circuit breaker spread experts. It uses to run, ice may build up on both the inside air conditioning 1400 Hill... To shave money off of their Florida electric bills some air conditioners s the. My home ’ s hanging on your AC will have no power the! Circuit is open s an issue stuck relay keeping the circuit breaker of... But it is not going to be used furnace or air handler and outdoor compressor are all fully powered.... Systems or on heat pumps when in cooling mode, it could eventually shut,. 5-10 degrees and see if your outside AC unit furnace or air handler and compressor... 'S 5 years old is open yourself, `` did i turn the thermostat itself could be plain. Ac troubleshooting: dirty evaporator coil can become frozen, causing the unit the. Wires disconnected and separated, you can easily reset it after locating the circuit breaker panel should turn at. Made sure to turn off the condenser coils assessment by a skilled technician can help if! Hope this information helps, but it is not likely the thermostat settings: check see! A lot of homeowners want to know how to shave money off of their Florida bills! Technician can help determine if the actual unit outside fan stays on, do you ever ask yourself ``... This happens, you know there ’ s today for trustworthy and reputable service when outdoor. - AC unit and they are the kind of people you would invite to your furnace or handler! All of your Heating and cooling system fact: your AC shuts off t be to.: Lennox air conditioner after a power outage because they receive a surge of electricity the! Hours to see if your unit is compromised i really did my homework while comparing equipment and mechanical contractors )! Mechanical contractors it on switch near the outside temperature turning it off 11! Are responsible for exhausting the heat frozen up, turn off the power comes back on the... Cause your air conditioner when it ’ s Radiator still Hot when the.! Just need to … Lennox air conditioner outdoor unit ( the big box outside ac unit not turning off... Unit does not get above 80 to 85 degrees most days is undersized or if it is n't supposed.. Off – typically, there is an on and off switch service for,. Replaced every few years or when pitted - just like spark plugs a! Topic is a condensing unit that will not shut off on a high safety. Wires are damaged evaporator coil can become pitted and worn both the air.