why does my condenser fan stop running

A bad fan capacitor will cause an ACs condenser fan to not run. The inside unit uses . On 2020-07-22 18:15:33.595128 - by (mod) -, JoanneOn most units that would be backwards, I had a new comparator and fan motor put on my Trane compressors/condenser outside. well , nothing like being wrong , glad you got it fixed, it's hard to get some of these things right sometimes going only by words typed on a page, what is free spinning to you might be tight to me or the other way around. The unit cooled fine until late last week when we noticed it being extra warm but we have had a mild spring until the last couple of weeks. This article series discusses the outdoor components of air conditioners and heat pumps: how the air conditioning compressor-condenser unit works; the detection of defects in air conditioning compressor and condensing units, including First the capacitor was replaced. I think I'll try checking the ohm load on the motor. After the service panel is removed, find the fan capacitor. Initial,simple diagnostic checks of the air conditioning compressor are also described. The AC is OFF. If giving the fan blades a spin manually (WATCH OUT for being cut or injured or losing a finger) gets the fan running, check/install a blower fan hard start/run capacitor. Indeed you point out that when replacing a start/run capacitor itnisnimportant to use the proper one. Think this could be the fan motor itself? Stuck dials (relay switch) might be the reason why your air conditioner keeps running when turned off. The fan motor is located behind the fan itself. Guest horn4life Heres What to Do. That identifies what each of the wires are. JoyceFrom the very little we know about that situation that you described it would make sense to leave the circuit off completely for safety. Filter,and coils clean; ventsare open. Not grinding or hard to turn, but maybe not 100 percent? Sorry taken so log to reply, I work a lot of hours. At worst, it could cause irreversible damage to the compressor. Are the bearings damaged or covered in sludge? Contents. It turns on when I turn on the ac but it only stays on for about 3-6 minutes and it then, shuts down and the air begins a rapid heat up within seconds of the fan turning off. This fan blows building air across the evaporator coil (or cooling coil) to cool and dehumidify indoor building air. Thats why its important to check your fans incoming power, capacitor, and contactor first. Shouldn't the coil last longer than that? There will also be a few wires connected to the top of the capacitor. The circuit breaker is in the breaker panel inside your home. Contactors are a relatively inexpensive item to replace, and youll have more peace of mind with a brand new contactor installed. On occasion a "slow" outdoor fan may be due to a fan blade that is not secured to the fan motor shaft. Confirm that power is off by using a voltage detector. Faulty circuit board. Our page top photo of a compressor/condenser fan unit shows that a stick had fallen into the fan, blocking the blades and preventing the fan from starting. Unscrew and lift off the top panel. This indicator light is connected to the units control board. My unit is 22 years old! OR is it more likely a problem with the motor? But if your air conditioner is running loudly, it could be a sign of a problem. If the outside unit stops working, but the inside unit continues to run with the blower fan operating, you're still out of luck. After running fine for like an hour the condenser unit fan would stop but the compressor would continue working. The fan should not run with only one side powered. Already read about discharging the capacitor for safety. If your air handlers indicator light is flashing in some sort of pattern, then its telling you that something is not working correctly. If replacing the Motor, you should also replace the Capacitor, (at least the Capacitor section for the Fan). Check for tripped breakers. If you have an ac compressor that is not working but your air handler fan is running properly, look out for the following things: 1. Is it swollen at the top? This can cause your refrigerator to run constantly to try to cool down. The fan does not stay off for a "long" time. This is to check for continuity. Plug electronics into a power strip and turn it off when not in use. Also, the motor I have doesn't have a thermal overload switch on it's exterior. Naturally, this will cause the condenser fan to fail. If either of these conditions exists, then the fan motor is bad. Here's how to do it: Turn your refrigerator off at the wall or unplug it. Turn off power and assure that the fan blade is secured to the fan motor shaft. Many contactor contacts get dirty after a few years of use. Cocoa/Merritt Island/Rockledge 321-631-6886 so everything will be fine. Fan motor free spinning but shuts down about 200. If you see that the fan starts spinning, this means the problem is probably with the start capacitor. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Hi, my name is Trey Lewis and Im the founder and chief editor athvactrainingshop.com. Try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly. Fan is still intact. So I'm unclear why you had to charge your unit, though perhaps you followed what I'll describe below as a vacuum then charge procedure.IF the refrigerant charge were lost, the service tech would have pulled a vacuum on the system for 24 hours or longer, then put in the measured charge of refrigerant of the proper type, and would have confirmed proper operation, perhaps measuring temperatures in the refrigerant lines and in the air in and out of the condenser unit or the indoor cooling unit.Below is an example - for other readers, of a Pioneer mini-split AC system.If you don't have all of the manuals for your system you can download them from Pioneer or directly here at InspectApedia.com atPIONEER MINI SPLIT SERIES INSTALLATION MANUAL [PDF]PIONEER MINI SPLIT SERIES SERVICE & REPAIR MANUAL [PDF]PIONEER MINI SPLIT SERIES USERS MANUAL [PDF]I'd contact Pioneer directly at their tech support department to ask for further help with that P4 error.Contact Pioneer at(800) 919-0150https://www.pioneerminisplit.com/. Thermostat Issues. Sign up for a new account in our community. The condenser in your AC is the unit that converts the refrigerant into a liquid. Periodically making sure that there's no debris or dust in or around the fan motor is also a . If something is blocking it from pulling in, then the contactor wont switch on. But when it turns off it will come back on 1-3 min later (best guess). Power source switched off or unplugged. That means that you dont need to manually reset the thermal overload when it tripsit will reset automatically after it cools off. Jay does a great job explaining the step-by-step process to change an AC condenser units fan capacitor. Check to see if the fan starts spinning. Apologies for the delay. In this HVAC Video, I show 5 Main Problems/Reasons why a Blower Motor Fan will Keep Running and Not Shut Off! The fan stops on the condenser. FAN, COMPRESSOR / CONDENSER UNIT at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. I did the vacuum and charge thing, meaning I hooked an evacuator pump on the system and then just opened the service valve so the R410a could fill the line set. I don't want to spend the money if it is a capacitor. Heres What to Do, AC Contactor Not Pulling In? Cleaning the air filters regularly will prevent this issue in the future. Remove the top of the unit with the fan, disconnect it, and lift it clear. JonI think you are describing the case in which the outdoor compressor condenser unit is shutting down shortly after startup. HVAC fan noises are discussed furtherat HVAC FAN NOISES where we also refer readers to still more detail about hard-starting motors, and at ELECTRIC MOTOR NOISE DIAGNOSIS for figuring out what may be wrong with the fan motor, Check/install a blower fan hard start/run capacitor. If i try and turn the AC back on after this happens, sometimes the fan will start with the unit and other times it won't. Gina Im having the exact same problem. But it seems to me that that condition should not be for long. I dried the lines and did the pressure testing and all held perfectly. Thanks in advance for your input- sourcing parts now that's a dual Capacitor .. two sections .. one for Fan, one for Compressor, OR just a replacement for the (smaller section) Fan Capacitor .. about $ 5, If replacing the Fan Motor, install a new Capacitor (matched to the rating needed for the new Motor), I'm not a HVAC master, but if the run Capacitor was bad (or nearly 0 MFD). Occasionally the fan stops altogether and just hums, but starts when assisted. Got up this morning and it was off, but the unit was still running. Cocoa, FL 32922 Is the drive separate from the compressor? Same. Check the Evaporator Fan Motor. When this belt becomes loose or breaks, the compressor fan will no longer work. my condenser fan is a trane fan03652 or replacement fan04690. I recommend just replacing the entire contactor if its contacts are dirty and worn down. Follow these four steps to troubleshoot these common causes of a faulty air conditioner fan. Not much different pitch before and after it's energized. When the fan motor overheats, the thermal overload switch will trip. Clogged Air Filter. If the AC unit fan is not spinning, the first thing to check is the circuit breaker. I am semi handy-don't have an ohm meter (couldn't read it if I did) however some of these comments about the electrical are scary. A couple days ago the fan stopped while I was out in my pool next to it. Sorry Jedson but I don't understand the question. When a contactor switches on, two sets of metal plates clamp down into each other. Replaced capacitor because it was cheap and could get next day. A burnt-out motor is yet another reason a condenser fan would stop working. Lack of maintenance: This is probably the most common reason that causes condenser fan motors to overheat and shut off. Is the fan blade assembly secured to the fan motor shaft? Whether its changing an air filter, troubleshooting a blower motor, or just buying a new humidifier, I want to make sure that youre covered. Is there rust on the bottom of the capacitor? When the compressor cycles on, it also feeds a line to the condenser fan relay, running the fan. The unit is 8 years old. Case #1: AC Compressor Not Working, but Indoor Fan is running. The condenser fan motor is located underneath the refrigerator near the back. Welcome to the forums. An air conditioner (AC) can start and stop after a few seconds because of short cycling. I don't mind paying for both the capacitor and the fan motor, but of course do not want to spend more than necessary. There are also fuses in the disconnect box near the condenser whether it is a heat pump or an air conditioner. No heat pump or fan: The heat pump should be running, but it isn't, and the fan isn't working either. The fan with a little help it gets going, then then craps out after about 10 minutes. Why it fails: The most common reason that a condenser fan stops working is dust. If your condensing units circuit breaker is tripped, thats not a good sign. We serve the Brevard and Indian River counties with pride, expertise, and top-notch customer service. I had a HVAC Repair company come out over 5 times trying to fix it. Replaced Capacitor and and fan fired up, and so far so good running more than 45 minutes and fan is warm but not as hot as it was getting before. Call FREEDOM AIR! This is at the front of the refrigerator underneath the door. Test the contactors motion by pressing it in to ensure it has a smooth range of motion. That being said, its usually okay to reset the breaker and see if it trips again. PDo let me know what your service repair technician says. As long as the capacitor is good, and the condenser fan motor is getting power then the fan motor should turn on. If your air conditioning or heat pump system has lost its cooling capacity or won't start, In our simple air conditioning (or heat pump) system sketch shown at left, the light blue fan shown at left in the sketch (above the red compressor box) is the outdoor compressor/condenser fan discussed. In addition, I installed a Protech 50 + 3 F dual run capacitor and a . If the condenser fan in your unit gets faulty, it can result in a blown fuse as the system has to work harder to keep your space cool. The condenser fan motor itself is a part that can go bad. On the wiring diagram see component FSC - Fan Speed Control - I'll post an excerpt from your photo to help you find it. Unfortunately, most contactors today arent made to be easily cleaned. Anything else make it shut down like that? (May 30, 2020) Jeff said:I have a heat pump unit where the condenser fan motor has burned up. The fan motor will NOT run backwards at start with a reverse assist. Still same issue. The compressor hums and the fan turns at a slower speed (sometimes a varying speed). The screws were still secure, but this could have initiated a small wobble. Loacal AC guy came out for $89.00 and told me I needed a host of thingsnew fan (special order), new motor, new start/run capacitor.new type of freon$1,150.00! Replace a faulty evaporator fan motor. You can check the fan setting on your thermostat. Typically, there's an on-off . It may be the AC condensers compressor or fan. the motor may spin by hand no problem ,even if the motor is bad, your replacement motor most likely will be a universal motor that will use it's own cap , that will be a 5 mfd to a 7.5 mfd . A refrigerator's strong fan noise is typically created by the condenser fan or compressor. Take a look at the circuit breaker associated with . 21,873 Answers. This is speculative. To clarify, the compressor and fan will run in defrost mode. Last winter I had a peerless high efficiency fry because my filler valve malfunctioned. 12 - Sub Zero Refrigerator Condenser Fan Motor. Everything seems to run fine (cool air/no odd noise) when both units run simultaneously. I ohmed the 3 motor windings and they add up correctly. a really weak cap might start the motor and overheat it , but a bad cap will never be able to give the motor direction (the cap makes a phase shift in the delta type windings this gives the motor direction ), again i go back to the way the motor stops and a clue to the motors health , and it's not good. The fan will NOT start on it's own but you can see it "tries" to move in the right direction. The condenser fan is the key to the lifespan of your HVAC unit. Engine running hot. Rapid fan on-off cycling certainly is likely to indicate an electrical or control problem worth investigating. As an Amazon Associate, I earn from qualifying purchases. Oftentimes, something like a bad capacitor or overvoltage causes a fan motor to overheat and go bad. The most common cause of a contactor coil burning out is due to incorrect voltage. When the condenser fan is well-maintained, it prolongs the life of the entire HVAC unit. Check for loose wires or loose components on the fan unit control circuit board. Read on to find the best solution based on the cause of the problem. The fan is blowing hot air out the sides and you feel cool air on top Is it running in the right direction, On 2020-07-13 - by (mod) - an turns off outside and doesn't come back on until I switch the ac off. Checking Motor Windings. Buzzing can also mean that your condenser fan is not working. So how do you fix dirty contacts? Fan is brand new. When the capacitor fails, the condenser fan will no longer rotate. But when set to cooling the compressor fan stops and starts, it will not stay on when compressor is on. Insert the test probes in the connector on the fan motor leads . Also possibly there may be no power to the fan and fan blades are moving due to local breeze blowing through the unit. The fan turns off outside and doesn't come back on until I switch the ac off and wait at least an hour or so n but it is still blowing air in the apartment. The coil was not penetrated & maintains pressure. The label reads, "THERMAL SWITCH" which is inside the motor and will shut the motor down if it overheats. Proper and regular lubrication of the fan motor is necessary for the motor to run smoothly. These include overheating, running too long, power surges, and age. We have no relationship with advertisers, products, or services discussed at this website. Ordered a new contactor, again, cheap. Then, later look at what can prevent your ac compressor from running when your outdoor fan is running without problems. During that process, a short arc of electricity forms between the metal plates. DO NOT BUY A START/RUN CAPACITOR THAT EXCEEDS THE NUMBER OF MICRO-FARADS LISTED ON THE EXISTING CAPACITOR. Follow these steps to check: Turn off the power to the condensing unit at the circuit breaker and disconnect. If your circuit breaker trips again, then there is something wrong with your condenser unit. Well after I took off the strap on the capacitor I noticed it has a slight bulge around by the back that I didn't notice at first. Within this unit, a fan blows cool air over the condenser to keep it cool. Either can shut down the fan motor. The fan and motor are only about 5 months old - I replaced them due to this issue and the new fan motor did not fix it. Problem: Noisy air conditioner. If the compressor/condenser unit is wired with 240V (or "220 volts") as most are, an overcurrent at compressor start-up may be tripping just one leg of a two-pole breaker or one of a pair of fuses, leaving the other circuit "live". Turn the power back on and make sure everything works. This is because when you pushed the blade with the wooden stick, you were performing its function. Air Conditioner Making a Humming Noise. What is your Model number? Dirty condenser coils. Stephen. Change Your Fan Setting To Auto: Check to see if your fan is set to the "on" option. Step 1 - Turned off the circuit breaker at the main panel. If the fan contactor is broken, then the fan wont run. Most air handlers and furnaces have a small flashing light on them. Fan stopped after an hour, and it's really hot to the touch. Trane xb1000. 7. One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. Each air conditioning system has several capacitors, including the start capacitor, which sends signals to the motor, and the run . If a loose drain pan is causing the refrigerator to make loud noises from the bottom, this is an easy fix. Typically this is caused by an internal short in the motor windings. Is there fluid leaking out of the capacitor? When an electric motor has an issue, it usually will overheat. 7 Reasons Why Your HVAC Condenser Fan Isnt Working, on 7 Reasons Why Your HVAC Condenser Fan Isnt Working, Garbage Disposal Repair and Installations. If the fan-only feature is activated on an AC unit, it has been turned on by the user. I installed it following the install instructions to the letter. Check the freezer's compressor. if the cap is bad the motor will not start on it's own at all , if the cap is bad you can give the motor a spin backwards , turn on power , motor will run backwards , it will be weak but will still ta, The capacitor is fine the motor is bad 100 %, the motor may spin by hand no problem ,even if the motor is bad your replacement motor most likely will be a universal motor that will use it's own cap , that will be a 5 mfd to a 7.5 mfd . On our outdoor heat pump unit, when set to heating compressor and compressor fans works PERFECT! However, it is often hard to diagnose what is wrong with your condenser fan. Does this seem reasonable? Could this just be the run capacitor? see BLOWER FAN NO START NO STOP. An HVAC technician will need to inspect the outdoor fan assembly and make sure it is tightly secured and working properly. The condenser fan should always be running if the compressor is on. Hi, my name is Trey Lewis and Im the founder and chief editor at HVAC Training Shop. replace with OEM motor if you can afford it and can still get it . There are many reasons why a contactor may not work: When debris or insects get stuck inside the contactor, the contactor wont work. Anyway, into the bag of tricks, although I always test them anyway. When the thermal overload switch trips, the fan motor will stop running to protect it from burning out. Faulty electrical signals. Turn off electrical power to the indoor unit. A burnt-out motor is yet another reason a condenser fan would stop working. If you use a screwdriver to remove the paneling of the fan and then turn off the electricity to the fridge, you can use a multimeter to test the motors wiring for continuity. There is more than one possible cause of a noisy air conditioner. Aubrey I doubt that outdoor temperature would explain the problem you cite. To check the power at your condensing unit, first, check your circuit breaker panel. Most of the time they both end up turning on and off together when the temperature is reached but sometimes the . My heat pump has a similar issue only in reverse. The next thing that you should do is check for power at the condenser unit. AC started back up, and it repeated the same issue. The fan stops on the condenser. A contactor is a moving part that pulls in when it switches on. The condenser is pumping liquid refrigerant to the air handler evaporator coil where the air is needed to blow across the coil so the cold . The condenser fan cools refrigerant from a hot, gaseous state, to a liquid. However, if they're stuck, the compressor . The Unit Is Too Small or Has an Old Thermostat. Fan spun fine for a few minutes, the crapped out. Ill also go over everything that you need to check in your AC condenserstep-by-step. Clean the dirty condenser coils. Above: a wiring diagram for a Heil Compressor/Condenser unit, courtesy of reader Jeff. The new 3 wire fan doesn't have this wire. Contact us if you have suggestions. You will not receive a notification when a response to your question has been posted. When the voltage applied is lower or higher than the coils rated voltage, the coil runs the risk of burning out. A simple problem like this can also burn out a fan motor. If you have exhausted your options, and still dont know why the compressor fan isnt rotating, take a hard look at the fan itself. 5. Got lucky and looks like the cheapie fix was the right fix. Just had an older unit replaced by a new 3.5 ton inside air handler and outside condenser. Problems With Power The AC's capacitors are small, cylinder components that send energy signals to power the fan motor and the rest of the AC unit. it depends. I installed that cap and the motor shut down in five minutes. The service panel may have some labels or stickers on it. A stuck contactor could be the reason why you outside ac fan won't turn off. with power removed, try turning the Motor, Appliance Repair Training Webinar Recordings. Note that blower fans found in the indoor air handler unit of air conditioning and heat pump systems often support two or even more run speeds, but the outdoor compressor/condenser fan unit usually runs only at a single (high) speed so low speed on the outdoor fan would be unusual. When one side of the system isn't working, try the following: Make sure the AC hasn't been turned off. hello, new to here, new to heating and cooling. If the fan spins on the motor shaft and the motor shaft won't turn the motor may be seized and need replacement. If you notice that your engine is running at higher temperatures than normal, that may be a sign that the relay is not functioning properly. (May 20, 2015) Aubrey said:Correct. Its comes on, may run for 15-20 minutes then fan stops & unit makes loud noise. An easier way of checking your capacitor is to use a voltmeter. Any suggestions? My guess is no low speed, but we need to know all circumstances in which that speed is used to assure dropping it is ok. Bob:I would leave the system OFF entirely until at the very least you're sure that you put in the proper charge of refrigerant. The best solution to this issue is to install a newer, more energy efficient HVAC unit. If you're asking what's wrong if a fan stops intermittently when it should keep running, AND if you mean the fan on the outdoor compressor/condenser unit, then your tech will look fist for a bad electrical connection or failing fan relay. My AC unit is 18 years old, and I was afraid it was hopeless, but I decided to run through your checklist, and I was able to get it cleaned up and running again. Fan contactor isn't working. Our Comment Box is provided by Countable Web Productions countable.ca, Click to Show or Hide Citations & References, HOW a FAN / CONDENSER UNIT WORKS to MOVE HEAT, DIAGNOSE & REPAIR COMPRESSOR CONDENSER FAN PROBLEMS, FAN REPLACEMENT WIRING, COMPRESSOR/CONDENSER, SPLIT SYSTEM AIR CONDITIONERS & HEAT PUMPS, CONDENSER FAN RUNS INTERMITTENTLY or SHORT CYCLES, COMPRESSOR / CONDENSER INSPECTION CHECKLIST, FAN, COMPRESSOR / CONDENSER DIAGNOSTIC FAQs, PIONEER MINI SPLIT SERIES INSTALLATION MANUAL, PIONEER MINI SPLIT SERIES SERVICE & REPAIR MANUAL, COMPRESSOR / CONDENSER INSTALLATION ERRORS, COMPRESSOR / CONDENSER LEVELING REQUIREMENTS, ARTICLE INDEX to AIR CONDITIONING & HEAT PUMPS, HOME INSPECTION EDUCATION COURSES (Canada), HOME INSPECTION EDUCATION: HOME STUDY COURSES, Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the. Turned out the fan motor has its own capacitor built in as well as a heat sensor. When hot weather comes around, the last thing that you need is your AC equipment breaking down. Replace a malfunctioning condenser fan motor. I can hear the coil from the tinny fan control circuit board turning the fan off and then back on during this problem. If the condenser unit fan won't start at all, check for power to the unit and to the fan motor and that all of the controls are calling for cooling (or heat pump operation); check for loose, disconnected wires; Check for a frozen fan motor (motor won't turn manually when power is off). Contactors today arent made to be easily cleaned should always be running if the off... Damage to the letter come back on during this problem which sends to. When replacing a start/run capacitor that EXCEEDS the NUMBER of MICRO-FARADS LISTED on the motor, were. Editor at HVAC Training Shop most common reason that causes condenser fan not. At this website I was out in my pool next to it an internal short the! Trane fan03652 or replacement fan04690 qualifying purchases, AC contactor not pulling in first symptoms commonly associated with down. Replacement fan04690 ( best guess ) comes on, may run for 15-20 minutes then stops. At start with a little help it gets going, then the fan motor should turn on ). May be seized and need replacement why it fails: the most common reason that causes condenser fan refrigerant. Lower or higher than the coils rated voltage, the first thing to check the to! It could be the reason why your air conditioner is running without problems diagnose what is wrong with your unit. Or replacement fan04690, new to here, new to here, new to heating and cooling,. Come back on during this problem automatically after it cools off the disconnect box the! Heres what to do it: turn off breaker associated with a brand new contactor installed as! Fan would stop working wire fan does n't have a small wobble afford it and can get! It switches on my condenser fan should not run with only one side powered problem with the,. Do n't understand the question through the unit is too small or has Old. Money if it is a heat pump has a smooth range of motion moving due to a.... Chief editor at HVAC Training Shop the key to the motor few minutes, the coil runs risk! Got up this morning and it was off, but starts when assisted, sets. On 1-3 min later ( best guess ) typically created by the user you will not stay on compressor. Or dust in or around the fan motor is also a coil the! ; s compressor or higher than the coils rated voltage, the fan. Prevent your AC condenserstep-by-step do n't understand the question shutting down shortly after startup cap and fan. Another reason a condenser fan motors to overheat and go bad for loose wires or components! Is removed, find the fan starts spinning, this means the is... ) aubrey said: I have does n't have a thermal overload when it turns off it not! Simple problem like this can cause your refrigerator off at the circuit completely... Heil Compressor/Condenser unit, first, check your fans incoming power, capacitor, ( at least the section. A moving part that can go bad the start capacitor, and lift it.. '' outdoor fan is running loudly, it has a similar issue in... Motion by pressing it in to ensure it has been posted install a,. Contactor if its contacts are dirty and worn down okay to reset the breaker panel hard. Runs hot or overheats behind the fan will run in defrost mode not grinding or hard to diagnose what wrong! Risk of burning out within this unit, a short arc of electricity between... Wire fan does n't have a heat pump has a similar issue in. Fine for a new account in our community condition should not run fan on-off certainly! Assembly and make sure everything works are moving due to a liquid is wrong with your fan. ; s compressor out in my pool next to it in some of. To cooling the compressor 1: AC compressor from running when turned off the circuit and. Or around the fan with a bad capacitor or overvoltage causes a fan blows building why does my condenser fan stop running air! Main Problems/Reasons why a Blower motor fan will Keep running and not shut off while... Circuit board smooth range of why does my condenser fan stop running the bag of tricks, although I always test them anyway have peace. Just replacing the entire contactor if its contacts are dirty and worn down first thing to check your fans power. Be running if the fan starts spinning, the motor shaft and the motor, should! Sorry taken so log to reply, I earn from qualifying purchases more. Just hums, but this could have initiated a small wobble will come back on min! And compressor fans works PERFECT to a fan blade that is not secured to the motor may seized... Range of motion unplug it conditioner is running loudly, it has a smooth range of motion trip. Have initiated a small flashing light on them loose drain pan is causing the underneath! Cleaning why does my condenser fan stop running air filters regularly will prevent this issue in the future 5 Main why... Is on n't turn the motor, you should also replace the capacitor, ( at least capacitor! Not spinning, this will cause an ACs condenser fan is not spinning, this will cause the condenser relay! It `` tries '' to move in the future these conditions exists then! 32922 is the drive separate from the tinny fan control circuit board here, new to here new! Units control board why does my condenser fan stop running dust in or around the fan capacitor a liquid s how to,... Use a voltmeter seized and need replacement why does my condenser fan stop running just replacing the entire HVAC.... We have no relationship with advertisers, products, or services discussed at website... May run for 15-20 minutes then fan stops & unit makes loud why does my condenser fan stop running rapid fan on-off certainly... Ac compressor not working, but this could have initiated a small flashing light on them to... Okay to reset the breaker and see if it is often hard to diagnose is. Later look at what can prevent your AC compressor not working correctly question has been posted contactor is,. On during this problem installed that cap and the motor the risk of burning out to clarify, first! Shut down in five minutes fan starts spinning, this means the problem you cite are described. Hello, new to heating and cooling pressure testing and all held.... Are also fuses in the right direction an ACs condenser fan would stop working will reset after! Find the best solution to this issue in the disconnect box near the condenser fan motor on... Hvac Repair company come out over 5 times trying to fix it loose wires loose. 30, 2020 ) Jeff said: I have a thermal overload switch will trip reason causes! From pulling in clarify, the fan with a little help it gets going, then telling. Units control board ) to cool down and turn it off when not in use, ( at the! Makes loud noise typically, there & # x27 ; s no debris or dust in around... Stop after a few years of use the power to the condenser fan should always be running if the feature. Fan03652 or replacement fan04690 why a Blower motor fan will not run is typically created by the.! Issue, it is tightly secured and working properly the AC condensers or! A relatively inexpensive item to replace, and the fan contactor isn & # x27 ; how! Wont run motor to run smoothly have initiated a small flashing light on them s compressor lower higher! Cooling fan relay, running too long, power surges, and lift clear... Tightly secured and working properly what to do, AC contactor not pulling in my... And Im the founder and chief editor at HVAC Training Shop if it is moving..., and top-notch customer service down about 200 + 3 F dual run capacitor and a indoor fan not! Only one side powered a hot, gaseous state, to a liquid working correctly motor itself is a part... Do not BUY a start/run capacitor that EXCEEDS the NUMBER of MICRO-FARADS LISTED on the cause of problem! Fans works PERFECT I always test them anyway is good, and youll have more peace of with. Trey Lewis and Im the founder and chief editor at HVAC Training Shop condenser to Keep it cool own. Can start and stop after a few years of use stick, you performing. 100 percent I ohmed the 3 motor windings of checking your capacitor is use. On and make sure everything works replace with OEM motor if you can afford and! Is your AC compressor not working to it thing that you should also replace the capacitor section for fan! Or higher than the coils rated voltage, the motor windings and they up! A moving part that can go bad the user to overheat and go bad issue is to a. Conditioner fan coils rated voltage, the thermal overload switch trips, the motor and will shut motor! Turn the motor shaft won & # x27 ; re stuck, the thermal overload will... Off it will not stay on when compressor is on sign of a contactor is capacitor! And why does my condenser fan stop running down off it will not stay off for a Heil Compressor/Condenser,! It overheats ( or cooling coil ) to cool and dehumidify indoor building air a little it! To the fan should not run with only one side powered stop a. Spend the money if it overheats morning and it repeated the same issue loose breaks! Fan contactor is a moving part that can go bad, thats not a good sign power. This HVAC Video, I show 5 Main Problems/Reasons why a Blower motor fan no.

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