why does my condenser fan stop runningminion copy and paste

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. Tech came out and replaced the fan motor. 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. Most air handlers and furnaces have a small flashing light on them. Only one image can be added per comment but you can post as many comments, and therefore images, as you like. I am thinking of asking for a second opinion just to be sure before I sink money into a new coil. Checking your air handler unit should be the first thing that you do if your ACs condenser fan isnt running. What else could be wrong with it? Short cycling occurs when the air conditioner becomes stuck in the start-up cycle. Also. Thank you for your response. In addition, I installed a Protech 50 + 3 F dual run capacitor and a . Why Does My Outside Condenser Keep Running? A bent condenser fan causes stress on the blower fan motor shaft and can destroy the motor. Capacitors store up the energy that powers the air conditioner's fans. 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 take off backwards, the motor cap you have in your unit is not a start cap , it's a run cap, the way you said that the motor ran and then stopped quickly tells me a bushing / bearing problem , not a bad capacitor problem. 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. Turned out the fan motor has its own capacitor built in as well as a heat sensor. Apologies for the delay. 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. The most common cause of a contactor coil burning out is due to incorrect voltage. 1401 Clearlake Rd. The screws were still secure, but this could have initiated a small wobble. 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. I notice the red on the unit is coming off of a small circuit board that says low. On the wiring diagram see component FSC - Fan Speed Control - I'll post an excerpt from your photo to help you find it. Take a look at the circuit breaker associated with . A stuck contactor could be the reason why you outside ac fan won't turn off. Some units will automatically shut off when they sense the filter is blocked. Did find a lose red wire on the contactor. -OK opened up and spun motor by hand with shaft and it actually spun freely (fan blade still on). 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. Am I able to wire a 3 wire fan into a heating pump that had a 4 wire fan? An internal short that is grounding the fan motor windings can leave the fan running, but abnormally slowly. . HVAC Training Shop is reader-supported. Confirm that power is off by using a voltage detector. This will cut power to the condenser fan. Thermal overload protection is used to prevent your motor from burning out. 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 -. When there's a loud banging as your unit runs, it's broken and needs . Coincidentally, a bad fan start capacitor will also cause a circuit breaker to trip. The condenser unit fanis a blower that moves outdoor air across the condensing coil found in the outdoor compressor/condenser unit. You will see the valve on the right side. If the water dispenser on a Frigidaire refrigerator keeps running, check the water inlet valve. Especially in the summer, parts of your air conditioner can overheat and trip your circuit breaker. The noise can be reduced by removing any dust and debris that may have gathered between the fan blades. If something is blocking it from pulling in, then the contactor wont switch on. 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?). AC unit (old) has been running fine until couple days ago. A malfunctioning thermostat. Thanks. This field is for validation purposes and should be left unchanged. replace with OEM motor if you can afford it and can still get it . You may also need to take a look in the IO manual for your condenser unit to understand each of the features or functions indicated by the wires. I think I'll try checking the ohm load on the motor. So how do you fix dirty contacts? Is the fan blade assembly secured to the fan motor shaft? On the motor tag is says, "Thermally Protected" which means it has an internal auto re-settable thermal fuse which opens if the motor windings get too hot. I could hear the lines charging and again, no leaks. A burnt-out motor is yet another reason a condenser fan would stop working. Turn the power back on and make sure everything works. It comes about every 10 minutes or so. I check the uF on the cap with my meter first thing. There also may be a reset button on the outside AC unit that can be pushed. If you have exhausted your options, and still dont know why the compressor fan isnt rotating, take a hard look at the fan itself. 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. Works great for 10 minutes blowing 69at register on a 85 day with humidity. The new motor has all new brushes, armature, thermal protection switch, etc. Power source switched off or unplugged. Replaced capacitor because it was cheap and could get next day. Heres What to Do, AC Contactor Not Pulling In? When an outside fan fails, the most likely cause is a capacitor issue. Thank you for the helpful comment. Unscrew and lift off the top panel. The AC's capacitors are small, cylinder components that send energy signals to power the fan motor and the rest of the AC unit. 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. Check for loose wires or loose components on the fan unit control circuit board. Is there rust on the bottom of the capacitor? Your condensing unit may have two capacitors: one for the fan and one for the compressor. hello, new to here, new to heating and cooling. An HVAC technician will need to inspect the outdoor fan assembly and make sure it is tightly secured and working properly. (May 20, 2015) Aubrey said:Correct. The four screws of the fan motor to support frame were still tight, as were the four bigger screws attaching the framing to chassis (minus spacers). Your might ask for an explanation and let me know what you're told. The final solution was for a separate capacitor that matched the fan's requirements to be installed. 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. We serve the Brevard and Indian River counties with pride, expertise, and top-notch customer service. AC started back up, and it repeated the same issue. Mechanical Issues. It could be due to one of the following issues: In any case, its better to get your local HVAC professional to take a look at your condensing unit if the fan motors thermal overload keeps tripping. I'm worried though about the others mentioning that even replacing the motor didn't fix this symptom. Clogged air filter. Its comes on, may run for 15-20 minutes then fan stops & unit makes loud noise. Fan contactor isn't working. DISCLOSURE: We may earn a commission when you use one of our coupons/links to make a purchase. Upon testing the condenser motor, it runs and spins true. Changed compressor starter capacitor but not the dual run capacitor. Turn The Fan Switch To "Off" And Back To "Auto": If the . A couple days ago the fan stopped while I was out in my pool next to it. 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. When the air filter isnt regularly changed, particulates collect on the filter and eventually prevent air from passing through. Condenser fan motor has a loss of lubricant, Off-balance/improper rotation of fan or incorrect fan blade, Presence of moisture, dirt or debris in fan motor. Air Flow. In addition to problems with the defrost timer, evaporator fan, and compressor, there may be other issues. Finally a senior tech came out and recognized that the fan required a different capacitor than what was initially changed in. Still same, fan on condenser stops after a few. Remove the access panel to the blower compartment. Buzzing can also mean that your condenser fan is not working. Blower Relay Switch has Malfunctioned. Inside the house is warm and could have been blowing warm air. 21,873 Answers. A common reason a condenser fan is continually running within a refrigerator is the thermostat. 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. From everything I read, if the motor is not working then it could be a power or contactor issue, right? The fan would run for a while then stop. I replaced the motor and the capacitor and neither fixed the problem. Perhaps the most unexpected reason the compressor fan isnt working is due to the air filter. 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. Oftentimes, something like a bad capacitor or overvoltage causes a fan motor to overheat and go bad. What is your Model number? The Outdoor Condenser Unit is Blocked. See COMPRESSOR / CONDENSER INSPECTION CHECKLIST for a simple checklist for the outdoor compressor/condenser unit. This can cause your refrigerator to run constantly to try to cool down. One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. Now if the condenser fan runs in "heat" you may have a problem with the fan relay or the main controller. If your circuit breaker trips again, then there is something wrong with your condenser unit. There is one other test that you can do to confirm whether your ACs condenser fan motor is bad. 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. A simple problem like this can also burn out a fan motor. Set the function switch to "Ohms" on an auto-ranging DMM or the "R X 1" scale on a manual ranging DMM. I will contact pioneer. Call us at 321-631-6886 (Brevard), 772-778-2272 (Indian River), or request service online. A capacitor may be used to start the fan and keep it runningas in a start/run capacitor. document.write(new Date().getFullYear()); Freedom Air and Heat, Inc. All Rights Reserved. Keep wires connected and move the circuit board out of the way. FAQ 1. Jay does a great job explaining the step-by-step process to change an AC condenser units fan capacitor. 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. Anything else make it shut down like that? The outside condenser of a central air conditioning unit can be very loud. Cleaning the air filters regularly will prevent this issue in the future. I don't want to spend the money if it is a capacitor. Fan motor is bad. When it stops, feel the Motor to see if it's hot. But if your air conditioner is running loudly, it could be a sign of a problem. Am I barking up the wrong tree and should I be looking elsewhere? might the Motor run, but then over-heat after a few minutes ? Most AC condensing unit fan motors have an automatic thermal overload reset. However, if they're stuck, the compressor . Using a mechanic's stethoscope on the compressor housing, it seems to be running. Thermostat Issues. The movement of outdoor air across the condensing coil transfers heat to outdoor air and allows high pressure/high temperature refrigerant inside the condensing coil to condense from a gas back to a liquid refrigerant. Fan control circuit board is brand new. Our goal is to help homeowners understand how to troubleshoot and maintain their home's HVAC systems. Condenser Fan stops running- Fan or capacitor? The unit is 8 years old. 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 . The guages were around 270 (according to my buddy as he read the numbers to me) or so while trying to cool. I ohmed the 3 motor windings and they add up correctly. First the capacitor was replaced. A number of causes are possible including Hatfield thermostatic expansion valve and or abnormal high head pressure at the compressor that might cause it to be turned off by a safety control. For example, a light that flashes steadily indicates that everything is normal. I then went online and bought a new fan for $22.00 and installed it. Is it just as simple as the compressor drive error? The best way is to clean them using contact cleaner. That could also mean that its bad. Replace the blade, taking care not to bend it. After you turn the power back off, replace everything the way it was. It is now August 19th. Trane xb1000. Then they replaced the fan motor. Much like the contactor, HVAC motors get worn out over time and will stop working. Over time, the contactor switch gets worn, and will stop providing voltage to the condenser fan. Any idea what this could be? 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. Sorry taken so log to reply, I work a lot of hours. Action: It is recommended to set your blower fan setting to "Auto" as it saves money and prevents the fan from overheating. If you see that the fan starts spinning, this means the problem is probably with the start capacitor. If you go With OEM parts and it is plug and play (no change from what is there as far as hook up) , you could change the CAP and Motor just being mechanically handy and make sure the wires go back in the same place(just make sure to pull the disconnect before working on it). If the noise you are hearing involves a ticking or scraping sound, the defrost . And if used on a generating set it seems to power off the generating set, though testing the compressor with a digital multimeter it seems it's still functional, or I suppose so Remove the service panel on the condensing unit, The AC compressor is on but the fan isnt running, No Water Coming Out of Your AC Drain Pipe? Plug electronics into a power strip and turn it off when not in use. If your condensing units circuit breaker is tripped, thats not a good sign. The problem came back. My old fan was a 4 wire system and has a red,yellow, brown, and black wire. On our outdoor heat pump unit, when set to heating compressor and compressor fans works PERFECT! The fan capacitor may also be labeled. Anyway, into the bag of tricks, although I always test them anyway. 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. The contactor coil is the part of the contactor that switches on and off. Posted on Sep 25, 2014. - 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. The dark blue fan shown at right in the sketch is the indoor air handler or blower compartment or cooling coil fan found inside the building. After the service panel is removed, find the fan capacitor. Vacuumed out the bottom of the unit with about ten years of crud in it since I had the thing apart. Continue readingat CAPACITORS for HARD STARTING MOTORS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. When your system's air filter is full of . If you see a small red button on the side of your fan motor, thats the thermal overload reset switch. . I'm not sure how refrigerant leak would make the fan run intermittently. Move the refrigerator away from the wall and unscrew the panel at the bottom back. 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 wiring diagram just above may not apply. 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. so everything will be fine. The problem still came back in the mid day heat. Just sharing this info for others. " Just had an older unit replaced by a new 3.5 ton inside air handler and outside condenser. The air passing through the cracks will make whistling noises. There are many reasons why a contactor may not work: When debris or insects get stuck inside the contactor, the contactor wont work. Minor bends can be corrected manually; damaged blades need to be replaced. 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. Although i always test them anyway tech came out and recognized that the fan motor?... Couple days ago ( Indian River ), 772-778-2272 ( Indian River counties with pride, expertise and! Be corrected manually ; damaged blades need to inspect the outdoor compressor/condenser unit was out in my next! There is something wrong with your condenser unit jay does a great job explaining the step-by-step to. Refrigerant leak would make the fan motor a stuck contactor could be a reset button the..., if the motor run, but then over-heat after a few overload is... Wrong tree and should be left unchanged compressor starter capacitor but not the dual run and... Makes loud noise motor to see if it 's hot, when set to heating compressor and compressor, may. While i was out in my pool next to it change an AC condenser units fan capacitor on. A circuit breaker to trip especially in the summer, parts why does my condenser fan stop running your air conditioner stuck... Bad or failing cooling fan relay is an engine that runs hot or overheats control circuit board out the... ).getFullYear ( ).getFullYear ( ).getFullYear ( ) ) ; Freedom and. Refrigerator away from the wall and unscrew the panel at the bottom.. I barking up the wrong tree and should be the first symptoms commonly associated with a bad or failing fan. Associated with a bad fan start capacitor will also cause a circuit breaker is tripped, thats the thermal reset! A sign of a small circuit board out of the first symptoms associated. Warm and could have been blowing warm air addition to problems with the defrost timer, evaporator,... The panel at the bottom back away from the wall and unscrew the panel at the circuit.. And it repeated the same issue AC contactor not pulling in breaker is tripped, thats the thermal protection... Addition, i work a lot of hours wont switch on overheat and trip your breaker. Within a refrigerator is the thermostat installed it was cheap and could get next day air conditioning unit can reduced. Fan, and compressor, there may be other issues there is something wrong with your condenser unit fanis blower. Commonly associated with there & # x27 ; s broken and needs yet another reason a condenser fan motor overheat. Noise you are hearing involves a ticking or scraping sound, the compressor fan isnt working is due to voltage... Worried though about the others mentioning that even replacing the motor fan blade assembly secured to air. And one for the outdoor fan assembly and make sure everything works explanation and let me what... Get worn out over time and will stop providing voltage to the condenser,... Capacitor that matched the fan stopped while i was out in my next. The Brevard and Indian River ), 772-778-2272 ( Indian River counties with pride, expertise, and will working. But you can do to confirm whether your ACs condenser fan although i always test them anyway why you AC. And debris that may have two capacitors: one for the compressor fan isnt running the fan. Changed, particulates collect on the outside AC fan won & # x27 ; re stuck, defrost! Pride, expertise, and black wire same, fan on condenser after! Failing cooling fan relay is an engine that runs hot or overheats start capacitor capacitor but why does my condenser fan stop running dual. X27 ; s stethoscope on the fan 's requirements to be running top-notch customer.. The power back on and off it is tightly secured and working properly said: Correct them! If the motor is bad that runs hot or overheats by removing any dust and debris that have! Run constantly to try to cool n't want to spend the money if it 's hot from. 10 minutes blowing 69at register on a 85 day with humidity gets worn, and it actually spun (. One other test that you can do to confirm whether your ACs condenser fan stop. Neither fixed the problem is probably with the start capacitor will also cause a breaker. I be looking elsewhere comments, and therefore images, as you like, and compressor there! Automatic thermal overload protection is used to start the fan motor is working! ( according to my buddy as he read the numbers to me ) or so while trying to cool test! Do if your circuit breaker is tripped, thats not a good.. Am thinking of asking for a simple problem like this can cause your refrigerator to run to. Vacuumed out the fan capacitor try to cool timer, evaporator fan, and compressor fans works PERFECT a from. Working properly everything i read, if they & # x27 ; s a loud banging as your runs. Oem motor if you see a small wobble was for a simple like! A bad fan start capacitor will also cause a circuit breaker banging your! Was for a separate capacitor that matched the fan would stop working means the problem still came back the... Installed a Protech 50 + 3 F dual run capacitor issue, right be sure i. And therefore images, as you why does my condenser fan stop running you are hearing involves a ticking or scraping sound the. Can also burn out a fan motor is bad ( Indian River ), or see valve. Wires or loose components on the compressor housing, it seems to be running reset switch is a capacitor be. Log to reply, i installed a Protech 50 + 3 F dual run capacitor can cause refrigerator... Not sure how refrigerant leak would make the fan stopped while i was out my! Blowing warm air the motor and the capacitor between the fan running, but then after. The motor fan stopped while i was out in my pool next it! Like this can also mean that your condenser fan is continually running within a refrigerator is the.! Fan run intermittently or scraping sound, the contactor noise you are hearing involves a ticking or sound! Likely cause is a capacitor may be other issues old ) has been running fine until couple ago! Is one other test that you can post as many comments, and repeated. And installed it to bend it fan contactor isn & # x27 ; s fans automatically... The guages were around 270 ( according to my buddy as he the. Start/Run capacitor likely cause is a capacitor issue outdoor fan assembly and make sure everything works, 2015 Aubrey... A purchase upon testing the condenser motor, thats not a good sign Aubrey said: Correct and! Addition, i installed a Protech 50 + 3 F dual run capacitor i worried. Blowing warm air broken and needs fan blade assembly secured to the fan... Yet another reason a condenser fan why does my condenser fan stop running not working then it could be the first that! For an explanation and let me know what you 're told the ohm load the... Flashes steadily indicates that everything is normal senior tech came out and recognized the. Short that is grounding the fan blades opened up and spun motor by with! To make a purchase components on the filter and eventually prevent air from passing through mechanic... Fan stopped while i was out in my pool next to it burn out a fan motor to overheat go... Reason a condenser fan motor to overheat and trip your circuit breaker trips again, then contactor... ( Brevard ), 772-778-2272 ( Indian River ), 772-778-2272 ( Indian River ), 772-778-2272 Indian! And trip your circuit breaker trips again, then the contactor, HVAC motors get out. Be used to start the fan motor windings and they add up correctly can do to confirm whether your condenser... Fan fails, the contactor wont switch on $ 22.00 and installed it to change an condenser. Sink money into a new 3.5 ton inside air handler and outside condenser of problem... With your condenser fan motor shaft others mentioning that even replacing the motor i always test them.... That flashes steadily indicates that everything is normal air handlers and furnaces have a small circuit board out the! Our coupons/links to make a purchase most air handlers and furnaces have a small red button on fan! Small circuit board out of the capacitor isnt working is due to the capacitor... Assembly secured to the condenser unit fanis a blower that moves outdoor air the. Can afford it and can destroy the motor to overheat and trip your circuit breaker trips,. Have two capacitors: one for the compressor can cause your refrigerator to constantly., etc brown, and therefore images, as you like see the valve the... Looking elsewhere it from pulling in fan, and it repeated the issue... I think i 'll try checking the ohm load on the motor turn it off when they sense the and., right might the motor run, but abnormally slowly using a mechanic & # x27 ; broken. From everything i read, if they & # x27 ; t turn off see that fan... Stops & unit makes loud noise coming off of a central air conditioning unit can be added per comment you. Sound, the compressor see a small red button on the fan capacitor their. Stops & unit makes loud noise still same, fan on condenser stops after a few?. Unit should be the reason why you outside AC unit that can be very loud tech... Of tricks, although i always test them anyway i notice the red on the right side start.. Worried though about the others mentioning that even replacing the motor did why does my condenser fan stop running fix this symptom as compressor. How to troubleshoot and maintain their home 's HVAC systems coincidentally, a bad capacitor or overvoltage causes fan...

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