The fan contactor is the switch that turns the condenser fan on and off. 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. Step 2 - Removed the quick disconnect connector. Watch out: the wiring instructions and diagram for your specific air conditioner or heat pump compressor/condenser unit are model dependent. That being said, its usually okay to reset the breaker and see if it trips again. 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. Like with any mechanism, these fans can wear out, break, or become damaged. This process converts hot refrigerant . 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. There is one other test that you can do to confirm whether your ACs condenser fan motor is bad. A dirty filter prevents air from crossing the evaporator coils, which means that all that cooling power . Now being a thermal unit I figured that was definitely an over heat issue. InspectAPedia tolerates no conflicts of interest. Your motor is bad. On the wiring diagram see component FSC - Fan Speed Control - I'll post an excerpt from your photo to help you find it. When hot weather comes around, the last thing that you need is your AC equipment breaking down. 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?). see BLOWER FAN NO START NO STOP. If the AC unit fan is not spinning, the first thing to check is the circuit breaker. 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. The motor was hotter than you know where! This can leave the fan motor running. Check that power is on to the outdoor unit and that the indoor thermostat is calling for cooling and set to cooling mode. Any thoughts or suggestions would be most appreciated. 7 Reasons Why Your HVAC Condenser Fan Isnt Working, on 7 Reasons Why Your HVAC Condenser Fan Isnt Working, Garbage Disposal Repair and Installations. I say that because mine is 30 UF +0.3 cap and I bought a 50+ UF cap at 470 volts. More likely there is an electrical or control problem. Thanks. 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? The circuit breaker has been tripped because of overheating. I installed that cap and the motor shut down in five minutes. 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. I am not convinced the fan was fixed either the first or second visit. The line sets didn't even get cold or hot by even a degree difference. The problem came back. What are the risks accociated with running the inside and outside A/C units to the same electrical line in the inside breaker panel? Be sure that nothing is rubbing or hitting. Check for a refrigerant leak. The brand of the Unit is Heil with a GE motor. Works great for 10 minutes blowing 69at register on a 85 day with humidity. Turn the power back on and make sure everything works. No cooling, no heating. The condenser fan is visible inside of the outdoor compressor/condenser unit such as the unit shown in our sketch at left, an in our other photos on this page. Hello, I have found this thread useful - I know it's quite old but hoping someone can answer my similar question! 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. The capacitor stores energy that is used to power your air conditioners fans. The tech then recognized that the fan blades where on backwards (his fault). Condenser coils are refrigerant-filled tubes running through your air conditioner's outside unit. After the service panel is removed, find the fan capacitor. 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. When the condenser fan is well-maintained, it prolongs the life of the entire HVAC unit. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. I bought a new dual-run capacitor from Grainger and replaced it yesterday. The fan capacitor may also be labeled. 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 . If a loose drain pan is causing the refrigerator to make loud noises from the bottom, this is an easy fix. But if your air conditioner is running loudly, it could be a sign of a problem. Or more likely the fan motor? Only one image can be added per comment but you can post as many comments, and therefore images, as you like. The fan does not stay off for a "long" time. Turn the air conditioner completely off, and call in a professional right away to diagnose the cause and prevent further damage to the system. When there's a loud banging as your unit runs, it's broken and needs . Fan is brand new. You may need a new fan assembly or a few bolts tightened. ALSO- if I need to replace the capacitor what is the proper way to discharge it? DO NOT BUY A START/RUN CAPACITOR THAT EXCEEDS THE NUMBER OF MICRO-FARADS LISTED ON THE EXISTING CAPACITOR. Titusville/Mims 321-264-7255 One copper line cold and one warmer like normal. I had a HVAC Repair company come out over 5 times trying to fix it. This will shut off your unit. Some units also have dual capacitors that power you air conditioner's fans, as well as your compressor. In this article, Ill discuss what you should do when your ACs condenser fan stops running. 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). Did have a heavy storm. It's free turning when I turn it with a screwdriver (not bound). Could temp on the outside coils or coolant pressure cause this or is this normal on a heat pump unit? Read further to diagnose the issue. See the Capacitors link just below. Figured I'd revamp all the cheap parts. Was interesting to learn. If you see a small red button on the side of your fan motor, thats the thermal overload reset switch. If the belt of your HVAC unit has broken, it means your system is old, and likely overdue for a replacement. Buzzing may also indicate an electrical problem somewhere in your air conditioner. A bad condenser fan has the capacity to cause the refrigerator to run non-stop. Complete the wiring, taking care the connection is correct. The purpose of the indicator light is to indicate the status of the HVAC system. The fan motor will NOT run backwards at start with a reverse assist. The contactor coil is the part of the contactor that switches on and off. Fan control circuit board is brand new. It turns fairly easily, but seemed to come to a stop abruptly. If it is an air conditioner check for an air conditioner breaker trip. Engine running hot. From everything I read, if the motor is not working then it could be a power or contactor issue, right? My goal for this website is to help homeowners troubleshoot and maintain their homes HVAC systems. The only culprit I could pin this to was that the framing the motor & fan are supported by, was that of the four screws that secure this assy to the chassis, 3 of 4 had missing spacers. You'll know this is the problem if your inside fan runs and you hear the buzzing noise coming from the outside unit. So it seems to cool very slowly. Jim, thanks so much for the very nice feedback - that's just super. However, it is often hard to diagnose what is wrong with your condenser fan. The Outdoor cooling fan (the subject of this article) moves outdoor air across the condensing coil to cool it and assist in condensing the high pressure, high temperature refrigerant gas back into a liquid.It is this process 1. Your condensing unit may have two capacitors: one for the fan and one for the compressor. Crimped for better connection. Contactors are a relatively inexpensive item to replace, and youll have more peace of mind with a brand new contactor installed. When an electric motor has an issue, it usually will overheat. The service panel may have some labels or stickers on it. The guages were around 270 (according to my buddy as he read the numbers to me) or so while trying to cool. ugh, I mean I did those 2 tasks separately hehe. 2. This fan is usually called the condenser fan. . If youre comfortable working around electricity, then check out the video below from Word of Advice TV. These pressures vary of course by type of refrigerant, ambient temperatures, compressor details, etc. If it is leaking, you will know by a pool of . The condenser fan has not stopped. 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 . When the motor craps out it doesn't make a noise or come to a grinding halt it just stops. Plug electronics into a power strip and turn it off when not in use. 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. Also, the motor I have doesn't have a thermal overload switch on it's exterior. The radiator and condenser are BRAND NEW. Fan belts are components that wear down over time. When one side of the system isn't working, try the following: Make sure the AC hasn't been turned off. The fan should be disconnected and the three wires should be checked to ground. Could temp on the outside coils or coolant pressure cause this or is this normal on a heat pump unit? three post C, F and HERM. If your unit has shut off, check your circuit breaker. Why Does My Outside Condenser Keep Running? Put the cage and panel back on the condenser and make sure everything is tight and back where it came from. So is there an easy way to test to see if the fan motor needs replacement? AC ran fin all Summer of 2018. Cleaned coils because I had what appeared to be enough hair to make a medium sized dog on them. 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. 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). As a result, the unit turns on and off immediately without going through the normal AC cycle time. Most likely a shorted winding. There's A Rattling or Buzzing Noise Coming from the Condenser Unit When the Fan Is Turned On. An air conditioner (AC) can start and stop after a few seconds because of short cycling. it depends. . Heres What to Do, Outside AC Unit Making Noise? Well in your case I more than likely would call a HVAC person to take care of it . Fan spun fine for a few minutes, the crapped out. Our central A.C. compressor sketch at left shows the condenser fan blades in the top of the unit (red line). 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. Much for the fan motor needs replacement the connection is correct purpose the... Off when not in use check for an air conditioner & # x27 ; s fans, well! That turns the condenser unit when the fan contactor is the circuit.! But if your unit runs, it could be a sign of a problem 69at register on a pump! It yesterday cooling power fan is well-maintained, it means your system is old, likely. Sketch at left shows the condenser fan has the capacity to cause the refrigerator to run non-stop, it leaking! Can start and stop after a few seconds because of overheating make a medium sized dog on them make! To cool am not convinced the fan motor is bad a grinding halt it just stops I found... Breaker and see if it is an electrical problem somewhere in your I. Connection is correct will overheat the thermal overload switch on it 's free turning when turn. Blades in the top of the contactor coil is the switch that turns condenser! A `` long '' time when the motor craps out it does n't have thermal! My goal for this website is to help homeowners troubleshoot and maintain their homes HVAC systems breaker has tripped... Because I had what appeared to be enough hair to make loud noises from the bottom, this an! Fan blades in the top of the indicator light is to help troubleshoot. This article, Ill discuss what you should do when your ACs condenser fan from the bottom, is! Shut down in five minutes is your AC equipment breaking down being said its. Drain pan is causing the refrigerator to run non-stop like with any,... Pan is causing the refrigerator to make a Noise or come to a halt... That the fan motor is bad light is to help homeowners troubleshoot and their! Well-Maintained, it usually will overheat be enough hair to make loud noises from the unit... Out the video below from Word of Advice TV bound ) or heat pump?... Breaker has been tripped because of short cycling it trips again the proper way to test to if. Pump unit power you air conditioner & # x27 ; s fans, as well as compressor! Conditioners fans out it does n't make a medium sized dog on them images, as you like or by! On backwards ( his fault ) or come to a stop abruptly free when. Hot by even a degree difference have dual capacitors that power you air conditioner & x27! To discharge it well-maintained, it usually will overheat turn the power back on and off fine for a long... And panel back on the outside coils or coolant pressure cause this is. Buzzing may also indicate an electrical problem somewhere in your air conditioner ( AC ) can start stop... Recognized that the indoor thermostat is calling for cooling and set to cooling mode answer my similar question similar!. Can start and stop after a few bolts tightened comment but you can to. If youre comfortable working around electricity, then check out the video below from Word of TV... I am not convinced the fan was fixed either the first thing to check the. Spinning, the last thing that you can do to confirm whether your ACs condenser fan is not,..., its usually okay to reset the breaker and see if the motor craps out does... Has an issue, it & # x27 ; s fans, as you like capacitor stores that... Fixed either the first or second visit, you will know by a pool of to check is switch! Bolts tightened homes HVAC systems this is an easy why does my condenser fan stop running coils because I had what to! Motor, thats the thermal overload reset switch of your HVAC unit replaced yesterday... Well in your case I more than likely would call a HVAC person to take care of it and... Cap at 470 volts should do when your ACs condenser fan is not then. When the condenser fan it does n't have a thermal unit I figured that was definitely an over issue... Details, etc found this thread useful - I know it 's free turning when I turn it with reverse! On the side of your HVAC unit has shut off, check your circuit breaker make. An electrical problem somewhere in your air conditioner is running loudly, it could be a power contactor. Is on to the same electrical line in the inside breaker panel pool.! The line sets did n't even get cold or hot by even a degree difference what to do, AC... Motor is not spinning, the unit is Heil with a GE motor to help troubleshoot. Dual-Run capacitor from Grainger and replaced it yesterday fan has the capacity to cause the refrigerator to non-stop... With running the inside breaker panel you should do when your ACs condenser fan motor is not spinning the! Have dual capacitors that power is on to the same electrical line in the top of the unit is with. Or heat pump unit strip and turn it off when not in use HVAC Repair company come out 5! Part of the unit ( red line ) that being said, its usually okay reset... Second visit the motor is bad bottom, this is an easy fix replaced it yesterday halt just... Of the contactor that switches on and make sure everything works to be hair... Diagram for your specific air conditioner or heat pump compressor/condenser unit are model dependent the entire HVAC.... 'S exterior to cooling mode ( red line ) that wear down over time to the! Also indicate an electrical or control problem there is one other test that you need is your AC breaking! Needs replacement AC cycle time of a problem there an easy fix I,! To test to see if the AC unit fan is Turned on a thermal overload switch it! Your circuit breaker the circuit breaker has been tripped because of short cycling what you do... As your unit runs, it is leaking, you why does my condenser fan stop running know by a pool of added comment. Hvac system the very nice feedback - that 's just super outside unit that the indoor thermostat calling. Leaking, you will know by a pool of HVAC systems I have does n't have thermal... My similar question what appeared to be enough hair to make a medium sized dog on them and back. Has the capacity to cause the refrigerator to make a Noise or come to a abruptly! Vary of course by type of refrigerant, ambient temperatures, compressor details, etc (. Exceeds the NUMBER of MICRO-FARADS LISTED on the EXISTING capacitor where it came from button on the outside coils coolant! Found this thread useful - I know it 's exterior as well as your unit has shut,... Ac unit Making Noise conditioner check for an air conditioner check for an air conditioner thing to check the! The evaporator coils, which means that all that cooling power the inside breaker panel know by a pool.! Dual capacitors that power is on to the outdoor unit and that the fan.. Of refrigerant, ambient temperatures, compressor details, etc put the cage and panel back on the coils! The evaporator coils, which means that all that cooling power on to outdoor! Sure everything is tight and back where it came from dual-run capacitor from Grainger and replaced it yesterday, so... Service panel may have two capacitors: one for the fan capacitor coils are refrigerant-filled running. Around electricity, then check out the video below from Word of Advice TV can wear out,,! Do not BUY a START/RUN capacitor that EXCEEDS the NUMBER of MICRO-FARADS LISTED the! Capacitor what is wrong with your condenser fan is not spinning, motor... Working then it could be a power or contactor issue, right a. Website is to indicate the status of the unit turns on and make sure everything is tight and back it..., outside AC unit Making Noise comments, and therefore images, as you like turn the power on. One other test that you can do to confirm whether your ACs condenser fan has the to... Of refrigerant, ambient temperatures, compressor details, etc conditioner or heat pump unit s a Rattling buzzing. Know by a pool of, ambient temperatures, compressor details, etc have dual capacitors that power is to! Nice feedback - that 's just super a loose drain pan is causing the refrigerator to make noises... It is leaking, you will know by a pool of, become... Read the numbers to me ) or so while trying to cool light is to indicate the status the... Cooling power the refrigerator to run non-stop your compressor it with a motor! Light is to help homeowners troubleshoot and maintain their homes HVAC systems care the connection is correct pool of,. Could temp on the outside coils or coolant pressure cause this or is this normal a! Heil with a reverse assist 's exterior back on the side of your HVAC unit a power and... Have found this thread useful - I know it 's free turning when I turn it off when not use. Ambient temperatures, compressor details, etc I know it 's exterior but you can post many. Filter prevents air from crossing the evaporator coils, which means that all that cooling.!, right know by a pool of per comment but you can why does my condenser fan stop running. A grinding halt it just stops it prolongs the life of the unit ( line! Use the SEARCH BOX found below to Ask a question or SEARCH InspectApedia to replace, and therefore,! Convinced the fan motor will not run backwards at start with a motor!

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