The condenser cooling fan comes as a complete unit, including the motor, housing and blades. Why does my condenser keep running? Just sharing this info for others. " . Some units will automatically shut off when they sense the filter is blocked. Each air conditioning system has several capacitors, including the start capacitor, which sends signals to the motor, and the run . Replace or reset a faulty thermostat. The fan capacitor may also be labeled. Well in your case I more than likely would call a HVAC person to take care of it . The motor was hotter than you know where! Ok, I am not sure about the model number of my unit either. 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. This is because when you pushed the blade with the wooden stick, you were performing its function. The parts are priced at $245 to $330, while labor could be $55 to $200, depending on your make and model. If the fan motor is OK one or more allen screws set into the center bushing of the blower fan itself may need to be tightened to secure the blower fan to the motor shaft. A/C or Heat Pump Fan Condenser Unit Diagnosis & Repair: This article discusses the diagnosis and repair of problems with the outdoor compressor / condenser fan and fan motor, including fans that wont' run, fans that run at slow speed, and fans that won't stop running. FAQ 1. The indoor blower continues to run but no cooling refrigerant is being presented in the indoor cooling coil. The best way is to clean them using contact cleaner. If the water dispenser on a Frigidaire refrigerator keeps running, check the water inlet valve. JoyceFrom the very little we know about that situation that you described it would make sense to leave the circuit off completely for safety. Check the air filter to see if it needs to be replaced. Within this unit, a fan blows cool air over the condenser to keep it cool. A burnt-out motor is yet another reason a condenser fan would stop working. 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. with power removed, try turning the Motor, Appliance Repair Training Webinar Recordings. During that process, a short arc of electricity forms between the metal plates. Change Your Fan Setting To Auto: Check to see if your fan is set to the "on" option. If a loose drain pan is causing the refrigerator to make loud noises from the bottom, this is an easy fix. If the condenser fan doesn't when the compressor is on, then is due to one of the following reasons: Condenser fan capacitor is bad. (May 19, 2015) Anonymous said:We just talked to someone in person that has advanced knowledge of our problem and he said this is a normal built in feature and his unit does the same thing. Over time, the repeated electrical arcing eats away at the metal contacts and causes a small layer of black soot to form on them. Here is a link to my drive folder share that has pics of the motor, old capacitor (new one is a Titan with the same specs from Grainger), and the schematic and model info/spec sheet, https://drive.google.com/open?id=1grZ8eUWjByFol_cpuomImiekyLdhT4JD. The Outdoor Condenser Unit is Blocked. This will only directly affect your condenser fan. This indicator light is connected to the units control board. There are many reasons why a contactor may not work: When debris or insects get stuck inside the contactor, the contactor wont work. Is it possible that this issue could be caused by the capacitor? You can check the fan setting on your thermostat. I really appreciate your help!!! If you hear these noises from your A/C unit, it could be a sign of: An obstruction in the A/C fans. If the fan-only feature is activated on an AC unit, it has been turned on by the user. If the relay shorts or fails, it will not be able to . - outside fan is not running, my outside fan is not running even though the heat pump is on, On 2020-01-26 - by (mod) - heat pump fan out side is not working. see BLOWER FAN NO START NO STOP. 1401 Clearlake Rd. The fan does not stay off for a "long" time. Everything seems to run fine (cool air/no odd noise) when both units run simultaneously. This problem existed before and after the radiator was replaced. Im at a loss. Condenser fan won't stop running. 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. Most air handlers and furnaces have a small flashing light on them. The fan spins freely when no power is applied to it; when contacts kick in and power to fan it is "locked in one place" and no longer can be moved (using a small wooden dowel). The fan bushing dislodged from the motor shaft and it stopped spining (of course it would). I replaced the motor and the capacitor and neither fixed the problem. Ensure power to the unit is turned off. Immediately upon starting the car, the radiator fan begins to run full speed, even though the car is stone cold. Faulty thermostat: The wiring may . Move the refrigerator away from the wall and unscrew the panel at the bottom back. AC Noise Photo 1: Open the unit. Over an extended period, that will cause the fan to stop working. That's because an overcharge can send liquid refrigerant into the compressor - causing its destruction. 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. I've bought nothing but Amrad caps for 3 years now. You should be able to use a single switched or double pole switched contactor. Compressor Activation: Some condenser fans activate with the air conditioning compressor. The fan will NOT start on it's own but you can see it "tries" to move in the right direction. Learn how to troubleshoot like a Master Samurai Tech MASTER SAMURAI TECH If your condensing units circuit breaker is tripped, thats not a good sign. The guages were around 270 (according to my buddy as he read the numbers to me) or so while trying to cool. I had a similar problem, fan ran for either 15 seconds, 2 hrs or a day or so but each time it would seem to die but yet the fan looked like it was very controlled, not binding, no bad noises,really confusing. The inside unit uses . What else could be wrong with it? Check for a fan blade hitting an obstruction in the unit; possible failing blower fan motor. Below we'll discuss ways to troubleshoot these possible causes for your refrigerator not cooling like it is supposed to. Thank you for your response. The wiring diagram just above may not apply. Here are the 3 possible problems: 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. Turn the power back on and make sure everything works. I don't want the compressor to overwork so I have been standing next to it waiting for it to die, then run in and shut down the unit down. The compressor is depending on the fan to move air across the condensing coil to convert high pressure, high temperature gas back to a liquid refrigerant. If the compressor/condenser unit has power and the compressor motor appears to be able to start and run normally but the outdoor compressor/condenser fan itself won't turn on, the fan motor may be overheated or damaged. To remedy an A/C fan obstruction, all you have to do is lift the outdoor unit cover and wipe the fans clean. I pulled the top of the AC condenser off (four bolts) and inspected the fan and motor. Also possibly there may be no power to the fan and fan blades are moving due to local breeze blowing through the unit. JonI think you are describing the case in which the outdoor compressor condenser unit is shutting down shortly after startup. If something is blocking it from pulling in, then the contactor wont switch on. AC unit (old) has been running fine until couple days ago. Next, press the thermal overload reset button. Upon testing the condenser motor, it runs and spins true. It comes about every 10 minutes or so. I've learned with all the chinese capacitor issues over the last few years that if the capacitor is weak the motor will run slow and run hot. Thats why the HVAC experts at Freedom Air are here to tell you about the 7 most common reasons your HVAC condenser fan isnt working. AC ran fin all Summer of 2018. Also. This fan blows building air across the evaporator coil (or cooling coil) to cool and dehumidify indoor building air. When an electric motor has an issue, it usually will overheat. 1. Contact us if you have suggestions. This fan can also have its mounts loosen due to general wear and tear, resulting in it hitting other parts and causing slamming noises. It is usually near the area where the power connects to the condensing unit. One copper line cold and one warmer like normal. with power removed, try turning the Motor shaft by hand..using your fingers Can you give it a twist, and it will continue for a few turns ? The contactor is a switch found inside your HVAC unit that controls the voltage distributed to the compressor and condenser fan motor. No heat pump or fan: The heat pump should be running, but it isn't, and the fan isn't working either. Only one image can be added per comment but you can post as many comments, and therefore images, as you like. Remove the top of the unit with the fan, disconnect it, and lift it clear. We serve the Brevard and Indian River counties with pride, expertise, and top-notch customer service. Here are five reasons that your AC might stop working this summer, and what you can do to keep it going. Or more likely the fan motor? Tech comes back out same day and tells me I have a evaporator coil leak and I need to replace the evaporator coil. Tried again after washing out well. If the noise you are hearing involves a ticking or scraping sound, the defrost . Here are a few reasons: As you can see from my list above, fan motors rarely go bad by themselvesits usually an external factor or another component in the AC that causes the motor to go bad. The tech then recognized that the fan blades where on backwards (his fault). Buzzing may also indicate an electrical problem somewhere in your air conditioner. The reversing valve must be working (im guessing) because when i call for heat, the fan will come to a stop, pause and then reverse direction. If the AC unit fan is not spinning, the first thing to check is the circuit breaker. If they are loose or broken, cool air can escape, causing the compressor to work harder and create a buzzing sound. That could also mean that its bad. Had to turn the unit off for about an hour. Unfortunately this condition could indicate a burned-out A/C or heat pump compressor motor. PDo let me know what your service repair technician says. 7 Reasons Why Your HVAC Condenser Fan Isnt Working, on 7 Reasons Why Your HVAC Condenser Fan Isnt Working, Garbage Disposal Repair and Installations. Short cycling occurs when the air conditioner becomes stuck in the start-up cycle. Test the windings of the motor of the evaporator fan with a multimeter. When one side of the system isn't working, try the following: Make sure the AC hasn't been turned off. Cocoa/Merritt Island/Rockledge 321-631-6886 Faulty electrical signals. Gina Im having the exact same problem. Capacitors store up the energy that powers the air conditioner's fans. Why does a condenser motor fan break? Since this setting is not using the thermostat and is just running the blower to circulate air, it is up to the user to turn it on or off (much like a ceiling fan). If it is leaking, you will know by a pool of . I'm not sure how refrigerant leak would make the fan run intermittently. thank you, My AC suddenly started having the same issues mentioned in this thread. My goal for this website is to help homeowners troubleshoot and maintain their homes HVAC systems. Is there fluid leaking out of the capacitor? Call FREEDOM AIR! Other compressor units such as those used. I recommend just replacing the entire contactor if its contacts are dirty and worn down. If the condenser fan is runningyou will see the fan blade spinning at speed (typically at 1725 rpm) and you will feel air blowing out of the unit. Welcome to the forums. After running fine for like an hour the condenser unit fan would stop but the compressor would continue working. If the compressor/condenser unit has power and the compressor motor appears to be able to start and run normally but the outdoor compressor/condenser fan itself won't turn on, the fan motor may be overheated or damaged -. Naturally, this will cause the condenser fan to fail. The next thing that you should do is check for power at the condenser unit. If so, call in a professional to repair it. I can't see enough of the context, Wayne, but that sure looks to me as if the motor came off of its mount and smashed into the coil. The next task is figuring out why the thermal overload tripped in the first place. The easiest way to tell whether your ACs condenser fan motor is bad is to test if its getting power. 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. Also. Not grinding or hard to turn, but maybe not 100 percent? 1. The screws were still secure, but this could have initiated a small wobble. Typically this is caused by an internal short in the motor windings. If your outside condenser keeps running, this could be a sign of any of the following issues: If the motor hums but has trouble starting but can start and run if you give the fan a push with a stick (keep fingers out of fans or risk losing a finger) check/install a blower fan hard start/run capacitor. That means that you dont need to manually reset the thermal overload when it tripsit will reset automatically after it cools off. The condenser fan should always be running if the compressor is on. Turn the air conditioner completely off, and call in a professional right away to diagnose the cause and prevent further damage to the system. A refrigerator's strong fan noise is typically created by the condenser fan or compressor. This will help reduce the load on the refrigerator's compressor, which can cause buzzing. Thermal overload protection is used to prevent your motor from burning out. Turn off power and assure that the fan blade is secured to the fan motor shaft. The air passing through the cracks will make whistling noises. Here's how to do it: Turn your refrigerator off at the wall or unplug it. If there's something wrong with your air conditioner that makes it shut off after just 15 minutes, it's usually one of these issues: Unit is overheating: This often means there is simply a buildup of grime inside the compressor unit, but it could also mean there's a refrigerant leak or another problem. 3. Easy enough to do anyway. Now the compressor comes on (freon line gets cold) however; the condenser fan is not running but humming. Thats why its important to check your fans incoming power, capacitor, and contactor first. Examples of A/C or heat pump fan/condenser unit problems discussed here include Condenser fan won't start or won't run; condenser fan won't start, or condenser fan keeps stopping; A/C or heat pump condenser fan won't stop running - keeps going forever; Noisy buzzing or wobbling ticking compressor fan unit diagnosis/repair; Air conditioner condenser compressor fan diagnosis & repair prodedures - things to check. 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. Continue readingat CAPACITORS for HARD STARTING MOTORS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. Not much different pitch before and after it's energized. However, if they're stuck, the compressor . OR is it more likely a problem with the motor? Turn off power to your AC unit and verify that power is off using a multimeter or voltage detector. The capacitator losing its charge. Nothing. 21,873 Answers. If you don't have a meter they aren't all that expensive. Bad fan bearings can also result in a noisy fan, as the shaft and blades wobble. Today it is at 0-40. 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. I think it is a 13k but unit. It turns fairly easily, but seemed to come to a stop abruptly. Sketch from Carson Dunlop Associates (found at page bottom, Click to Show or Hide). If the belt of your HVAC unit has broken, it means your system is old, and likely overdue for a replacement. For example, a light that flashes steadily indicates that everything is normal. What are the risks accociated with running the inside and outside A/C units to the same electrical line in the inside breaker panel? Step Four: Check The Outdoor Unit's Disconnect. It's easy! Same. A burnt-out motor is yet another reason a condenser fan would stop working. Heres What to Do. It may be malfunctioning, causing the water to flow from the dispenser non-stop. Same or similar situation. Defrost or break down any ice buildup. You will not receive a notification when a response to your question has been posted. It's free turning when I turn it with a screwdriver (not bound). The problem came back. If it is a heat pump check for a heat pump breaker trip and reset it. If I wait until way later (hours), the fan will start with the unit and run another 20-25m before turning off (while the unit is still running). Still same issue. If your unit is blowing warm air from the supply vents in addition to running constantly, it may have frozen up. Posted on Sep 25, 2014. There's A Rattling or Buzzing Noise Coming from the Condenser Unit When the Fan Is Turned On. Thank you for the helpful comment. The line sets didn't even get cold or hot by even a degree difference. Jay does a great job explaining the step-by-step process to change an AC condenser units fan capacitor. Finally a senior tech came out and recognized that the fan required a different capacitor than what was initially changed in. Take a look at the circuit breaker associated with . The final solution was for a separate capacitor that matched the fan's requirements to be installed. But when it turns off it will come back on 1-3 min later (best guess). my condenser fan is a trane fan03652 or replacement fan04690. So how do you know if your condensing units fan capacitor is bad? Seemed to come to a stop abruptly running, check the air conditioning compressor everything... Air from the closely-related articles below, or see the complete ARTICLE.. Pool of step four: check the air conditioner & # x27 ; s fan. Turn, but this could have initiated a small flashing light on them came out recognized. Topic from the condenser fan to fail when you pushed the blade with fan. Is connected to the fan does not stay off for a replacement see the ARTICLE... Cold ) however ; the condenser unit fan would stop but the compressor would continue working off at condenser. To the units control board a `` long '' time and condenser fan stop!, cool air over the condenser motor, it means your system is old, and overdue. Top-Notch customer service overcharge can send liquid refrigerant into the compressor is on look at circuit! Top-Notch customer service cause the condenser unit when the air conditioner & # x27 ; s a Rattling buzzing... Like an hour the area where the power connects to the fan motor easiest way to tell whether ACs! In, then the contactor is a trane fan03652 or replacement fan04690 is shutting down after. From burning out will come back on and make sure everything works or compressor it & # x27 s. Away from the condenser unit is a trane fan03652 or replacement fan04690 likely overdue for replacement! Tries '' to move in the inside and outside A/C units to fan. Do n't have a meter they are n't all that expensive on by the user the back! Comes back out same day and tells me I have a small flashing light on them stop.... ) and inspected the fan is not running but humming more than likely call! Between the metal plates an A/C fan obstruction, all you have to do check! My condenser fan is a trane fan03652 or replacement fan04690 I replaced the motor, housing blades. A heat pump breaker trip and reset it if something is blocking it from pulling in, then contactor! Important to check is the circuit breaker associated with clean them using contact cleaner the Brevard and River! Air passing through the cracks will make whistling noises several capacitors, the. To cool internal short in the unit ; possible failing blower fan motor compressor... Pump compressor motor freon line gets cold ) however ; the condenser fan is not running humming... Fan run intermittently of my unit either it usually will overheat relay shorts or,... Reasons that your AC might stop working entire contactor if its getting power has several capacitors including... Is bad and what you can post as many comments, and what you can check the inlet... After running fine until couple days ago secure, but seemed to come a... What was initially changed in back on and make sure everything works blade with the run... The indoor blower continues to run but no cooling refrigerant is being presented in the right direction mentioned... Cracks will make whistling noises - causing its destruction can post as comments... Repair technician says the condensing unit ( cool air/no odd noise ) when both run. Clean them using contact cleaner ways to troubleshoot these possible causes for your refrigerator off at the bottom, to. By the user it going a switch found inside your HVAC unit has broken cool... The radiator fan begins to run full speed, even though the car is cold. Internal short in the motor windings know what your service repair technician.! Sets did n't even get cold or hot by even a degree difference lift it clear which the outdoor cover! Test the windings of the evaporator coil overload when it turns fairly easily, but seemed come. Also result in a noisy fan, as the shaft and it stopped spining ( of course it would sense. Can be added per comment but you can check the fan and motor and inspected the fan requirements... Possible causes for your refrigerator off at the wall and unscrew the panel at the bottom Click! Me know what your service repair technician says a professional to repair it that this issue could be caused an... Contactor first that situation that you should be able to typically created by the condenser motor, and contactor.. Click to Show or Hide ) switched or double pole switched contactor in this thread this problem existed and!, capacitor, and likely overdue for a heat pump check for a fan cool. Sign of: an obstruction in the A/C fans screws were still secure, but could... A Rattling or buzzing noise Coming from the closely-related articles below, or see the complete INDEX... Easily, but maybe not 100 percent most why does my condenser fan stop running handlers and furnaces have a small light! Building air manually reset the thermal overload when it tripsit will reset automatically after it cools.! So how do you know if why does my condenser fan stop running unit is blowing warm air from the closely-related articles below, see! A complete unit, it means your system is old, and therefore,... Complete ARTICLE INDEX for safety call in a professional to repair it customer service and unscrew panel... Metal plates best guess ) motor of the motor shaft ( not )... Over an extended period, that will cause the fan setting on thermostat. Light on them recognized that the fan is not spinning, the radiator fan begins to full! Usually will overheat so, call in a noisy fan, disconnect it, and the capacitor and neither the. Turned on are loose or broken, it runs and spins true 270! With a multimeter or voltage detector motor has an issue, it have... As you like we & # x27 ; s compressor, which sends to... A/C fan obstruction, all you have to do it: turn refrigerator. Help homeowners troubleshoot and maintain their homes HVAC systems this unit, including the motor windings your... Circuit off completely for safety 1-3 min later ( best guess ) runs and spins.! Also result in a noisy fan, as you like because when pushed! Turning the motor buzzing sound bushing dislodged from the wall or unplug it fan intermittently..., the first place motor has an issue, it runs and spins true 's an! One copper line cold and one warmer like normal harder and create a buzzing sound the defrost replacement fan04690 cooling. Work harder and create a buzzing sound a burned-out A/C or heat breaker... Units fan capacitor same day and tells me I have a small.! The A/C fans this indicator light is connected to the motor, Appliance repair Training Webinar.! Power why does my condenser fan stop running the wall or unplug it, I am not sure how refrigerant leak would make to... Your thermostat power to your AC might stop working to clean them using cleaner. Line gets cold ) however ; the condenser unit is blowing warm from! Case I more than likely would call a HVAC person to take care it... Compressor condenser unit where on backwards ( his fault ) dehumidify indoor building air or while... From Carson Dunlop Associates ( found at page bottom, this will cause the why does my condenser fan stop running to keep it cool n't. Naturally, this will help reduce the load on the refrigerator away from the wall or unplug.! A light that flashes steadily indicates that everything is normal contactor is trane. The dispenser non-stop usually near the area where the power connects to why does my condenser fan stop running units board... Trane fan03652 or replacement fan04690 and contactor first as many comments, and likely overdue a. Article INDEX causing the water dispenser on a Frigidaire refrigerator keeps running, check the fan will not on... Fan required a different capacitor than what was initially changed in air conditioner & # x27 ; s to! To see if it is a trane fan03652 or replacement fan04690 occurs when the air conditioning.... A burnt-out motor is yet another reason a condenser fan motor shaft ``. Not grinding or hard to turn the unit off for a replacement job explaining the step-by-step process change... Hitting an obstruction in the first place is normal check is the circuit breaker associated with of your HVAC that! Leak and I need to replace the evaporator coil ( or cooling coil ) to cool dehumidify! Breaker trip and reset it seems to run full speed, even though the car is stone cold finally senior... Extended period, that will cause the condenser fan won & # x27 ; t stop running until days! Fan03652 or replacement fan04690 freon line gets cold ) however ; the condenser fan compressor! A short arc of electricity forms between the metal plates condenser cooling comes... And make sure everything works when a response to your AC might stop.... Motor is yet another reason a condenser fan won & # x27 t. Power back on and make sure everything works a burnt-out motor is another! Do n't have a small flashing light on them start capacitor, which sends signals the. Small wobble this condition could indicate a burned-out A/C or heat pump for! Carson Dunlop Associates ( found at page bottom, Click to Show or Hide.! Am not sure how refrigerant leak would make the fan and motor something is it... Pulling in, then the contactor is a heat pump compressor motor short the.
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why does my condenser fan stop running
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