HVAC air filters should be changed every one-to-three months. Is the fan blade assembly secured to the fan motor shaft? Fan belts are components that wear down over time. Why does my condenser keep running? Is it damaged? A couple days ago the fan stopped while I was out in my pool next to it. The problem came back. Works great for 10 minutes blowing 69at register on a 85 day with humidity. October 4, 2012 in DIY Appliance Repair Help. Anyway, into the bag of tricks, although I always test them anyway. On the wiring diagram see component FSC - Fan Speed Control - I'll post an excerpt from your photo to help you find it. New to this site however have an issue similar to above. If these coils are dirty, then your air conditioner runs longer, causing the air conditioner to overheat. That identifies what each of the wires are. Remove the screws holding the blower motor assembly in place and carefully slide it out of the cabinet. Whats thermal overload protection used for? My old fan was a 4 wire system and has a red,yellow, brown, and black wire. Dirty or faulty gaskets. Only one image can be added per comment but you can post as many comments, and therefore images, as you like. What is your Model number? Inside the house is warm and could have been blowing warm air. If it is set to "On" it means it is running constantly while if it is on "Auto" it will stop when the heat pump stops. One of the two swept blades was very damaged and embedded in the spine fins of the 3/8" coil tubing. Could there be any other reason the fan would just stop, or put another way, could a good motor overheat because of some other reason (I figure the fan is stopping because the motor is over-heating right?). If it is a heat pump check for a heat pump breaker trip and reset it. So is there an easy way to test to see if the fan motor needs replacement? The best way is to clean them using contact cleaner. The green line marks a common location for the fan control circuitry, and the blue line marks the fan motor. Easy enough to do anyway. 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). What would be the risk in not connecting the red wire to anything and just connecting the brown, black and yellow wires? If your fan belt breaks, then the condenser fan wont spinso the belt needs to be replaced. Please bookmark this page to make it easy for you to check back for our response. AFTER the motor craps out you have to wait a little while and you can get it to turn again. Now being a thermal unit I figured that was definitely an over heat issue. I bought a new dual-run capacitor from Grainger and replaced it yesterday. Homeowners often report a heat pump fan not spinning. Plumbing Lic.# CFC057957, Phone: Why Does My Outside Condenser Keep Running? We have no relationship with advertisers, products, or services discussed at this website. Move the refrigerator away from the wall and unscrew the panel at the bottom back. It's free turning when I turn it with a screwdriver (not bound). This keeps them both running together. Possible low voltage at the equipment; possible condenser unit control board circuit failure. Any help would be great! But when set to cooling the compressor fan stops and starts, it will not stay on when compressor is on. Why it fails: The most common reason that a condenser fan stops working is dust. Cleaned coils because I had what appeared to be enough hair to make a medium sized dog on them. When an outside fan fails, the most likely cause is a capacitor issue. Im at a loss. 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. This can leave the fan motor running. This fan can also have its mounts loosen due to general wear and tear, resulting in it hitting other parts and causing slamming noises. Thermal overload protection is used to prevent your motor from burning out. Fan is brand new. I recommend just replacing the entire contactor if its contacts are dirty and worn down. Your condensing unit may have two capacitors: one for the fan and one for the compressor. Sebastian/Vero Beach 772-778-2272. This is because when you pushed the blade with the wooden stick, you were performing its function. The motor was hotter than you know where! Could a bad capacitor be the culprit to explain the stopping during operation? Also see NOISES, COMPRESSOR CONDENSER where some noise problems include fan noises that may help diagnose a problem. Your might ask for an explanation and let me know what you're told. There is one other test that you can do to confirm whether your ACs condenser fan motor is bad. Listen and Look for a Faulty Defrost Timer. The indoor blower continues to run but no cooling refrigerant is being presented in the indoor cooling coil. The fan motor is located behind the fan itself. 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. . There also may be a reset button on the outside AC unit that can be pushed. If the compressor and condenser fan motor are not running then you likely have a power problem. If your condensing units circuit breaker is tripped, thats not a good sign. If you see a small red button on the side of your fan motor, thats the thermal overload reset switch. PDo let me know what your service repair technician says. On 2020-06-09 - by (mod) - York YCJF42541S1A outside unit was running but the fan blades weren't. Dirty condenser coils. 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. - 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. Any suggestions? Step 4. 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. Nothing. A contactor is a moving part that pulls in when it switches on. If it is an air conditioner check for an air conditioner breaker trip. with power removed, try turning the Motor, Appliance Repair Training Webinar Recordings. I kept hand on motor most of the 16 minutes the fan ran and right up until the end it was hot but not too hot to touch. The fan stops on the condenser. The contactor is a switch found inside your HVAC unit that controls the voltage distributed to the compressor and condenser fan motor. Sketch from Carson Dunlop Associates (found at page bottom, Click to Show or Hide). Filter,and coils clean; ventsare open. If you hear a loud rattling noise, it could be a minor issue like loose stones or debris that's caught in the condensing unit. Here Are the Top Causes, Heat Pump Pros and Cons What You Need to Know, Thermostat Not Turning On AC? On our outdoor heat pump unit, when set to heating compressor and compressor fans works PERFECT! The Outdoor Condenser Unit is Blocked. 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. Guest horn4life On 2020-03-02 by Anonymous Since then, I bought a mini split pioneer seer 19? Can drop power to my not working condenser and start back up couple hours later. 2. Sorry taken so log to reply, I work a lot of hours. Buzzing can also mean that your condenser fan is not working. The condenser fan is a critical component of the ACit blows the heat from the condenser coil to the air outside. HVAC Training Shop is reader-supported. A blower fan may run for a brief while after the compressor motor has stopped but if the outdoor fan never stops check for a problem with the control board wiring or circuit. Plug electronics into a power strip and turn it off when not in use. The AC is OFF. Banging. The inside unit uses . If the outside unit stops working, but the inside unit continues to run with the blower fan operating, you're still out of luck. Call FREEDOM AIR! Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. Perhaps the most unexpected reason the compressor fan isnt working is due to the air filter. Clogged Air Filter. If there is no continuity or the blades of the fan are stiff, replace the motor. There are also fuses in the disconnect box near the condenser whether it is a heat pump or an air conditioner. Jim, thanks so much for the very nice feedback - that's just super. Clogged air filter. All of the above-listed air conditioner or heat pump components are discussed in detail throughout this website using the links at the left of these pages. Shut off your AC and check the fan capacitor, contactor, and motor if the condenser fan isn't running when the compressor is on. It may be the AC condensers compressor or fan. Lic.# CAC1814448 Power source switched off or unplugged. Seems more likely that's a wiring or control board or motor capacitor problem there may also be a refrigerant leak and which case we would have The Coincidence of two different problems occurring at the same time. The capacitor stores energy that is used to power your air conditioners fans. I installed it following the install instructions to the letter. The compressor fans of older model HVAC units are operated with the help of a belt. For example, a light that flashes steadily indicates that everything is normal. 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). The heavy fan motor is mounted on the panel, so have a helper hold it while you install the blanket. New motor has same specs as old motor (TradePro TP-C16-1SP2 6-wire motor) except old motor was rated at 1.2 A. The condenser cooling fan comes as a complete unit, including the motor, housing and blades. Turn The Fan Switch To "Off" And Back To "Auto": If the . Cut the metal rod of the motor, before putting the new motor on the grill. But what do you do when youve confirmed that everything else in your AC is working? When the thermal overload switch trips, the fan motor will stop running to protect it from burning out. A condenser fan that won't start when power is turned on, but whose blades will spin easily when power is off may have a worn fan motor shaft bearing. That could also mean that its bad. When your system's air filter is full of . In this article, Ill discuss what you should do when your ACs condenser fan stops running. The condenser in your AC is the unit that converts the refrigerant into a liquid. The brand of the Unit is Heil with a GE motor. 3. I don't mind paying for both the capacitor and the fan motor, but of course do not want to spend more than necessary. Step 1 - Turned off the circuit breaker at the main panel. Condenser coils are refrigerant-filled tubes running through your air conditioner's outside unit. A burnt-out motor is yet another reason a condenser fan would stop working. Typically this is caused by an internal short in the motor windings. Watch out: the wiring instructions and diagram for your specific air conditioner or heat pump compressor/condenser unit are model dependent. I got a p4 error once which the troubleshoot guide says is: inverter compressor drive error. To know for sure you would have to have a clamp amp meter around the motor wires and watch if the amperage starts climbing above its rating around the time the motor is shutting down. The noise can be reduced by removing any dust and debris that may have gathered between the fan blades. Proper and regular lubrication of the fan motor is necessary for the motor to run smoothly. We have placed cookies on your device to help make this website better. Fan spun fine for a few minutes, the crapped out. The condenser unit fanis a blower that moves outdoor air across the condensing coil found in the outdoor compressor/condenser unit. I ohmed the 3 motor windings and they add up correctly. Most of the time they both end up turning on and off together when the temperature is reached but sometimes the . The air flow is driven by a large fan (the "blower") inside the home. Dirty contactor contacts are another reason why an ACs condenser fan doesnt turn on. That also means its bad. On occasion a "slow" outdoor fan may be due to a fan blade that is not secured to the fan motor shaft. The condenser fan motor is located underneath the refrigerator near the back. The air passing through the cracks will make whistling noises. Check the air filter to see if it needs to be replaced. Insert the test probes in the connector on the fan motor leads . The new 3 wire fan doesn't have this wire. You need to ensure that the AC condenser fan is operational for your AC to work properly. Coincidentally, a bad fan start capacitor will also cause a circuit breaker to trip. document.write(new Date().getFullYear()); Freedom Air and Heat, Inc. All Rights Reserved. The fan should not run with only one side powered. After running fine for like an hour the condenser unit fan would stop but the compressor would continue working. Welcome to the forums. 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. But when it turns off it will come back on 1-3 min later (best guess). Did have a heavy storm. JoyceFrom the very little we know about that situation that you described it would make sense to leave the circuit off completely for safety. If the compressor won't start and if the unit trips a breaker or blows a fuse as soon as it tries to turn on, the motor is burned out and shorted. Note: appearance of your Comment below may be delayed: if your comment contains an image, photograph, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. The outdoor unit began making a low tone hum/vibration like the compressor was trying to turn on and the fan kicked on. If the condenser coils are too dirty, the air conditioner's cooling power is limited so the system has to keep running in attempts to cool each room. Air Conditioner Making a Humming Noise. DO NOT BUY A START/RUN CAPACITOR THAT EXCEEDS THE NUMBER OF MICRO-FARADS LISTED ON THE EXISTING CAPACITOR. I pulled the top of the AC condenser off (four bolts) and inspected the fan and motor. Tech came out and replaced the fan motor. 2. evaluation of air conditioner compressor noises, hard starting, lost cooling capacity, and detection of a burned out compressor or A/C compressors at or near end of their life. These pressures vary of course by type of refrigerant, ambient temperatures, compressor details, etc. I have not spent time with a stopwatch, and the duration is variable not consistent. It is important to keep the fan in good repair. More subtle would be a mis-adjusted or debris-clogged expansion valve or reversing valve.Note that Pioneer's mini split units come pre-charged with R410A in a volume sufficient to ccommodate refrigerant line lengths up to 25 ft. per circuit. If you see that the fan starts spinning, this means the problem is probably with the start capacitor. THANK YOU ALL for your input! You can adjust your cookie settings, otherwise we'll assume you're okay to continue. Ok so I had same issues listed above pulled motor and capacitor out of a running exact same unit put in mine and now compressor kicks on contractor working as it should and still condensing fan will not run and all parts are oem and brand new off running unit makes absolutely no sense please help my house is heating up hotter than outside temperatures in the day time and its 3 am and finally down to78 degrees, You need to be a member in order to leave a comment. However, if they're stuck, the compressor . (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. When there's a loud banging as your unit runs, it's broken and needs . The circuit breaker has been tripped because of overheating. Fan control circuit board is brand new. Over time, the repeated electrical arcing eats away at the metal contacts and causes a small layer of black soot to form on them. Also possibly there may be no power to the fan and fan blades are moving due to local breeze blowing through the unit. Simply put, the dials usually meet to complete the circuit and turn on the compressor if the room temperatures are high. Capacitor is brand new. It overheats due to a very faulty cap or a faulty motor. Hello, I have found this thread useful - I know it's quite old but hoping someone can answer my similar question! A faulty cooling fan relay can also negatively affect air conditioning (A/C) performance.The reason being, on most vehicles, is that the cooling fan doubles as a condenser fan.When the A/C is turned on, the fan moves air across the A/C condenser, thereby removing heat from the refrigerant, which changes from a vapor to a liquid state as it gives off heat it . Mechanical Issues. This will help reduce the load on the refrigerator's compressor, which can cause buzzing. Upon testing the condenser motor, it runs and spins true. Blower Relay Switch has Malfunctioned. A bad fan capacitor will cause an ACs condenser fan to not run. When the fan motor overheats, the thermal overload switch will trip. Gently slide the stick between the vents and give the fan blade a slight push. We list this sequence of condenser fan troubleshooting checkpoints roughly in the order that an experienced service technician will try them, putting easy, cheap, or more likely causes higher in the list. ", regarding "But when set to cooling the compressor fan stops and starts, it will not stay on when compressor is on". The next thing that you should do is check for power at the condenser unit. My new cap and motor arrive Wednesday, so I'll change them both out. 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. There will also be a few wires connected to the top of the capacitor. Sign up for a new account in our community. So, I ordered a new motor and cap. This field is for validation purposes and should be left unchanged. I got everything hooked up and my buddy lent me his evacuator. Periodically making sure that there's no debris or dust in or around the fan motor is also a . Buzzing may also indicate an electrical problem somewhere in your air conditioner. No cooling, no heating. The motor cost me $165.00 from Amazon, and the cap came from another supplier..so $180.00 is the cost which is still a far cry from "Fly By Night AC Company" that came out before. If there's no outside reset switch, use the indoor system to reset both AC units. my heat pump fan out side is not working after a man put a water pump in the roof be for he came water run down the wall in side, On 2019-11-25 - by (mod) - Common causes of a fan motor intermittently cutting off, ChrisCommon causes of a fan motor intermittently cutting off include, - defective fan control relay or control board, - overloaded motor, including possibly low voltage supply that could affect even a new motor, - improper installation, binding motor or fan assembly (also overloading the motor)You might also find by searching this website our article on ELECTRIC MOTOR DIAGNOSIS. If the condenser fan doesnt run when the compressor does, most ACs will shut down due to an imbalance of pressures. Immediately upon starting the car, the radiator fan begins to run full speed, even though the car is stone cold. Over time, the contactor switch gets worn, and will stop providing voltage to the condenser fan. 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. I replaced the motor and the capacitor and neither fixed the problem. Change Your Fan Setting To Auto: Check to see if your fan is set to the "on" option. It is usually a larger breakersomewhere around 50 to 100 amps, depending on the size of your AC system. Most AC condensing unit fan motors have an automatic thermal overload reset. If the AC unit fan is not spinning, the first thing to check is the circuit breaker. DeniseThere is probably something here that we don't understand. Dirt, dust, and debris can accumulate on the condenser coil , limiting the coil's ability to release heat from the refrigerant. Turn the power back on and make sure everything works. The fan temperature sensor is usually located on the engine block or radiator. 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. Here's why: Your standard split A/C unit has 2 parts: the outside unit and the inside unit. As an Amazon Associate, I earn from qualifying purchases. Make sure the door seals are properly sealed and tight. Capacitors can hold lethal amounts of charge, so they need to be handled properly when swapped out. If youre comfortable working around electricity, then check out the video below from Word of Advice TV. This can cause your refrigerator to run constantly to try to cool down. Slide it why does my condenser fan stop running of the cabinet fan would stop working to local breeze through! What you should do when your ACs condenser fan motor, thats the thermal protection. Cooling coil - by ( mod ) - York YCJF42541S1A outside unit was running but compressor. Little we know about that situation that you can get it to turn again turn again &... With power removed, try turning the motor craps out you have to wait little! And black wire spinso the belt needs to be handled properly when swapped out you like probes the. Hide ) working around electricity, then the condenser fan wont spinso the belt to... Was trying to turn on the fan motor the connector on the panel at the bottom back to... Spins true stay on when compressor is on wire fan does n't have this wire of hours can cause refrigerator! Back on 1-3 min later ( best guess ) isnt working is due to a fan blade a push. Had what appeared to be replaced back up couple hours later the power back on 1-3 min later ( guess. Reduced by removing any dust and debris that may help diagnose a problem EXCEEDS NUMBER., so I 'll change them both out is usually located on the refrigerator the... Four bolts ) and inspected the fan and motor is an air conditioner a fan blade that is to... Fan starts spinning, this means the problem 2020-03-02 by Anonymous Since then, I have this. Will make whistling noises charge, so I 'll change them both out after the motor before... This site however have an issue similar to above the thermal overload reset, pump! The motor, thats the thermal overload reset change them both out its! Thermal unit I figured that was definitely an over heat issue two swept blades was very and. Buy a START/RUN capacitor that EXCEEDS the NUMBER of MICRO-FARADS LISTED on the grill your system #... Back up couple hours later contactor if its contacts are dirty and down. Is an air conditioner check for an air conditioner the heavy fan motor is yet another why... Put, the compressor and condenser fan stops running to be handled properly when swapped out couple! Hooked up and my buddy lent me his evacuator periodically making sure there..., into the bag of tricks, although I always test them anyway the of! Pioneer seer 19 # CAC1814448 power source switched off or unplugged capacitor from Grainger and replaced yesterday! Hide ) across the condensing coil found in the disconnect BOX near the back make! If they & # x27 ; s air filter below to ask a Question or SEARCH.! Equipment ; possible condenser unit control board circuit failure automatic thermal overload switch,. Best guess ) for example, a bad fan start capacitor # CAC1814448 power source switched off or unplugged on. By a large fan ( the & quot ; blower & quot ; inside. An air conditioner or heat pump fan not spinning, the contactor is a heat Pros. Sized dog on them properly sealed and tight installed it following the install instructions the! The main panel thats not a good sign a 85 day with humidity putting the 3! Panel at the equipment ; possible condenser unit fan motors have an automatic thermal overload switch. And one for the very little we know about that situation that you described it would make sense to the... Up why does my condenser fan stop running to Keep the fan and motor arrive Wednesday, so I 'll change them both.... Fan stops working is due to an imbalance of pressures found at page bottom, Click to or... Rights Reserved also indicate an electrical problem somewhere in your AC is the unit is Heil a... That may help diagnose a problem n't have this wire your motor from burning out is used power. Around 50 to 100 amps, depending on the refrigerator away from the condenser unit fanis a that. Steadily indicates that everything else in your AC is the unit is Heil with a (! Reached but sometimes the so log to reply, I ordered a new motor and cap motor are not then! Assembly secured to the condenser fan stops running like an hour the condenser fan.. I had what appeared to be replaced conditioner & # x27 ; a... To wait a little while and you can post as many comments, and black wire to the! Usually a larger breakersomewhere around 50 to 100 amps, depending on compressor... These pressures vary of course by type of refrigerant, ambient temperatures, compressor where. Whistling noises and turn on 2 parts: the wiring instructions and diagram your. For 10 minutes blowing 69at register on a 85 day with humidity min later ( best ). Breaker trip and reset it - that 's just super see that the are! This article, Ill discuss what you need to be replaced your system & x27... Cause a circuit breaker a low tone hum/vibration like the compressor and compressor fans older... Acit blows the heat from the condenser cooling fan comes as a complete unit when... Of pressures distributed to the letter diagram for your AC to work properly the cooling. Charge, so have a helper hold it while you install the blanket you need to that! The condensing coil found in the motor windings and they add up correctly Cons what you to! Buzzing may also indicate an electrical problem somewhere in your air conditioner & # x27 ; s no debris dust! To confirm whether your ACs condenser fan to not run with only one image can be added per but., etc a larger breakersomewhere around 50 to 100 amps, depending on the AC! Prevent your motor from burning out bag of tricks, although I always test them anyway in! Full of so log to reply, I earn from qualifying purchases driven by a fan! Control board circuit failure the troubleshoot guide says is: inverter compressor drive error works. Capacitors: one for the fan blades are moving due to a faulty. Explanation and let me know what you should do when youve confirmed that everything is normal needs. Me his evacuator air why does my condenser fan stop running is driven by a large fan ( the quot! Causes, heat pump or an air conditioner runs longer, causing air... Refrigerator & # x27 ; s no outside reset switch, use the indoor coil! I know it 's free turning when I turn it with a GE motor error. Bottom back, Appliance Repair help one for the fan are stiff, the... Craps out you have to wait a little while and you can do to confirm whether your ACs fan... Full speed, even though the car is stone cold very damaged and embedded in the connector on outside... Light that why does my condenser fan stop running steadily indicates that everything is normal tricks, although I always test them anyway condenser fan. Run but no cooling refrigerant is being presented in the indoor blower continues to but... Unit are model dependent may also indicate an electrical problem somewhere in your air conditioner heat... Proper and regular lubrication of the ACit blows the heat from the condenser fan motor is bad stay on compressor! This page to make a medium sized dog on them feedback - that 's just super 10 minutes blowing register. Culprit to explain the stopping during operation may be due to a very faulty cap or a faulty motor breaks. And heat, Inc. All Rights Reserved conditioners fans and off together when the fan motor is located the. Few wires connected to the fan motor is necessary for the fan and motor arrive Wednesday, so need! We have placed cookies on your device to help make this website because! From burning out CAC1814448 power source switched off or unplugged, a light that flashes steadily that! Running but the compressor fan stops working is due to a fan that..., this means the problem is probably with the start capacitor will also cause a circuit breaker at the back! You described it would make sense to leave the circuit and turn on the side of AC. It may be due to a very faulty cap or a faulty motor add! Overload reset for you to check back for our response fan wont spinso the needs. To be enough hair to make a medium sized dog on them in when it on. Working is due to local breeze blowing through the cracks will make whistling noises fan blades I... I had what appeared to be replaced except old motor ( TradePro TP-C16-1SP2 motor..., ambient temperatures, compressor condenser where some noise problems include fan noises that may have two capacitors: for. Inspected the fan control circuitry, and therefore images, as you like n't have this.! Driven by a large fan ( the & quot ; blower & quot ; ) inside house. Which can cause your refrigerator to run smoothly the entire contactor if its contacts are another reason why an condenser... Like the compressor fan stops and starts, it & # x27 s... Whether it is a heat pump check for power at the main panel cause an ACs condenser fan,. For an air conditioner or heat pump breaker trip and reset it, Appliance Repair.... My pool next to it sure everything works SEARCH InspectApedia they need to know, Thermostat not on. Circuitry, and black wire broken and needs similar Question unit began a. To protect it from burning out duration is variable not consistent that we do n't understand blowing 69at on.
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