I had a problem with my Condenser unit. To fix a contactor with debris stuck between it, youll need to remove the debris. If the belt of your HVAC unit has broken, it means your system is old, and likely overdue for a replacement. which completes the transfer of heat through the refrigerant from indoor air to outdoor air as the compressor/condenser unit compresses and then cools the refrigerant back to a liquid. There are many reasons why a contactor may not work: When debris or insects get stuck inside the contactor, the contactor wont work. 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. And the AC compressor stops prematurely. 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. The green line marks a common location for the fan control circuitry, and the blue line marks the fan motor. It comes about every 10 minutes or so. Here's why: Your standard split A/C unit has 2 parts: the outside unit and the inside unit. I have not got that error since. Check for tripped breakers. Using a mechanic's stethoscope on the compressor housing, it seems to be running. 7 Reasons Why Your HVAC Condenser Fan Isnt Working, on 7 Reasons Why Your HVAC Condenser Fan Isnt Working, Garbage Disposal Repair and Installations. Occasionally the fan stops altogether and just hums, but starts when assisted. Below we'll discuss ways to troubleshoot these possible causes for your refrigerator not cooling like it is supposed to. If you can hear the fan running and you can feel air coming out of the . The screws were still secure, but this could have initiated a small wobble. The most common cause of a contactor coil burning out is due to incorrect voltage. A detailed case of diagnosing and fixing a condenser fan that was running backwards at speed changes is discussed below at. When the compressor cycles on, it also feeds a line to the condenser fan relay, running the fan. On 2020-06-09 - by (mod) - York YCJF42541S1A outside unit was running but the fan blades weren't. All air conditioning systems have a fan that blows air over the evaporator coil to cool it. Jim, thanks so much for the very nice feedback - that's just super. Powered by Invision Community. The outside condenser of a central air conditioning unit can be very loud. Most likely a shorted winding. We can probably make this work, but I'm nervous about just guessing and burning up another fan motor. AFTER the motor craps out you have to wait a little while and you can get it to turn again (with assistance) to run properly for another 10 minutes. Aside from dust and debris, a fan might also stop working if the motor is faulty. If they are loose or broken, cool air can escape, causing the compressor to work harder and create a buzzing sound. Humming fan motor usually means either a bad starting cap or a seized motor. 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. In addition, I installed a Protech 50 + 3 F dual run capacitor and a . Power source switched off or unplugged. So is there an easy way to test to see if the fan motor needs replacement? 2. Proper and regular lubrication of the fan motor is necessary for the motor to run smoothly. If your outside condenser keeps running, this could be a sign of any of the following issues: Unbolt the old motor and fan from the top grill and keep the nuts, bolts, and any screws safe. In looking at the posts it seems like folks are being pointed in direction of capacitor or fan motor. I don't mind paying for both the capacitor and the fan motor, but of course do not want to spend more than necessary. Ordered a new contactor, again, cheap. 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. No cooling, no heating. ALSO- if I need to replace the capacitor what is the proper way to discharge it? If your indicator light shows that everything is functioning normally, then read further. 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. From everything I read, if the motor is not working then it could be a power or contactor issue, right? Of all the reasons your condenser fan isnt working, your unit not receiving power is the simplest one to fix. 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). Your motor is bad. Could this just be the run capacitor? Remove the panel at the bottom of your refrigerator. HVAC Training Shop is reader-supported. 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. Your might ask for an explanation and let me know what you're told. It is now August 19th. Lic.# CAC1814448 Nothing. If youre comfortable working around electricity, then check out the video below from Word of Advice TV. The condenser in your AC is the unit that converts the refrigerant into a liquid. See the Capacitors link just below. Hi, my ac fan seems to be over heating and shutting down. ", regarding "But when set to cooling the compressor fan stops and starts, it will not stay on when compressor is on". Change Your Fan Setting To Auto: Check to see if your fan is set to the "on" option. 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. If its tripped, flip the breaker to off then back to on. If the issue persists, contact a professional. 1. The fan contactor is the switch that turns the condenser fan on and off. Remove the top of the unit with the fan, disconnect it, and lift it clear. Also. If the contactors coil is burned out, then the contactor wont turn on your condenser fan. I pulled the top of the AC condenser off (four bolts) and inspected the fan and motor. Had to turn the unit off for about an hour. It may be the AC condensers compressor or fan. Jake, the manual says the frig may run 80% . New motor has same specs as old motor (TradePro TP-C16-1SP2 6-wire motor) except old motor was rated at 1.2 A. When there's a loud banging as your unit runs, it's broken and needs . It is usually a larger breakersomewhere around 50 to 100 amps, depending on the size of your AC system. Fan motor is bad. If the compressor and condenser fan motor are not running then you likely have a power problem. This process converts hot refrigerant . So it seems to cool very slowly. 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. A contactor is a moving part that pulls in when it switches on. 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. Complete the wiring, taking care the connection is correct. The air flow is driven by a large fan (the "blower") inside the home. Naturally, this will cause the condenser fan to fail. Last winter I had a peerless high efficiency fry because my filler valve malfunctioned. Step 1 - Turned off the circuit breaker at the main panel. Most air handlers and furnaces have a small flashing light on them. See CONTROL CIRCUIT BOARD, A/C for details. An internal short that is grounding the fan motor windings can leave the fan running, but abnormally slowly. Other compressor units such as those used. This can cause your refrigerator to run constantly to try to cool down. 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. The Outdoor Condenser Unit is Blocked. This blockage will strain your compressor fan. We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. If it is leaking, you will know by a pool of . Please advice on what to do, thank you. Sign up for a new account in our community. For most people, I recommend calling a local HVAC professional to change the capacitor. Crimped for better connection. Hi, my name is Trey Lewis and Im the founder and chief editor at HVAC Training Shop. The fact that your fan is reversing direction tells me that this is a heat pump and the controls are miswired or oscillating between heating and cooling, or there's a fan wiring error - as the unit's new. This will only directly affect your condenser fan. Ok, I am not sure about the model number of my unit either. But it is indeed also normal for the fan on-off cycle to sometimes be different from the compressor motor on-off cycle. 12 - Sub Zero Refrigerator Condenser Fan Motor. The thermal overload reset switch is a small button on the side of the fan motor that pops out when the thermal overload switch trips. The condenser cooling fan comes as a complete unit, including the motor, housing and blades. The condenser fan motor on your AC unit is what turns the blades of the fan in order to blow outside air across the AC condenser coils. Freedom Air and Heat, Inc. The condensing unit circuit breaker may be labeled as AC, Condensing unit, or Outdoor unit. 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. 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). Unfortunately this condition could indicate a burned-out A/C or heat pump compressor motor. Since then, I bought a mini split pioneer seer 19? Could temp on the outside coils or coolant pressure cause this or is this normal on a heat pump unit? 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. Test the contactors motion by pressing it in to ensure it has a smooth range of motion. The fan would run for a while then stop. I bought a new dual-run capacitor from Grainger and replaced it yesterday. Thermal overload protection is used to prevent your motor from burning out. Could a bad capacitor be the culprit to explain the stopping during operation? The fan motor will NOT run backwards at start with a reverse assist. Not much different pitch before and after it's energized. Thanks for the great step by step instructions to troubleshooting. If you have a multimeter and are comfortable opening up your AC and checking the fan motor, this video from Word of Advice TV shows you how to check the AC condenser fan motor: Condenser motor fan belts are rare these days. Turn the power back on and make sure everything works. Faulty thermostat: The wiring may . Only one image can be added per comment but you can post as many comments, and therefore images, as you like. Could be a bad start-run capacitor or a bad control board. Move the refrigerator away from the wall and unscrew the panel at the bottom back. If your AC fails in hot summer, there is a good chance that its the capacitor.Before you call HVAC guy and spend lot of money, you can try it yourself a $15 . Be sure that nothing is rubbing or hitting. Check the freezer's compressor. PDo let me know what your service repair technician says. Read on to find the best solution based on the cause of the problem. The condenser fan motor is located underneath the refrigerator near the back. replace with OEM motor if you can afford it and can still get it . Condenser coils are refrigerant-filled tubes running through your air conditioner's outside unit. AC ran fin all Summer of 2018. The wiring diagram just above may not apply. Each air conditioning system has several capacitors, including the start capacitor, which sends signals to the motor, and the run . I dried the lines and did the pressure testing and all held perfectly. Now if the condenser fan runs in "heat" you may have a problem with the fan relay or the main controller. Im at a loss. The condenser fan motor itself is a part that can go bad. Immediately upon starting the car, the radiator fan begins to run full speed, even though the car is stone cold. The final solution was for a separate capacitor that matched the fan's requirements to be installed. Any suggestions? Works great for 10 minutes blowing 69at register on a 85 day with humidity. If the refrigerator runs constantly there might be something caught in the condenser fan motor blade, or the condenser fan motor might be defective. Possible low voltage at the equipment; possible condenser unit control board circuit failure. 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. If you have exhausted your options, and still dont know why the compressor fan isnt rotating, take a hard look at the fan itself. 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. One of the two swept blades was very damaged and embedded in the spine fins of the 3/8" coil tubing. Capacitor is brand new. Upon testing the condenser motor, it runs and spins true. Unscrew and lift off the top panel. 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 . Fan belts are components that wear down over time. Here Are the Top Causes, Heat Pump Pros and Cons What You Need to Know, Thermostat Not Turning On AC? Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. Listen and Look for a Faulty Defrost Timer. After you turn the power back off, replace everything the way it was. Put the cage and panel back on the condenser and make sure everything is tight and back where it came from. it depends. The fan and motor are only about 5 months old - I replaced them due to this issue and the new fan motor did not fix it. Gently slide the stick between the vents and give the fan blade a slight push. These pressures vary of course by type of refrigerant, ambient temperatures, compressor details, etc. Oftentimes, something like a bad capacitor or overvoltage causes a fan motor to overheat and go bad. My central heat/air conditioner is Trane (XL80 for the furnace and XE 1200 for the condenser/compressor) and the part that I will troubleshoot is the condenser unit that is located outside. I don't want to spend the money if it is a capacitor. three post C, F and HERM. -OK opened up and spun motor by hand with shaft and it actually spun freely (fan blade still on). Also see NOISES, COMPRESSOR CONDENSER where some noise problems include fan noises that may help diagnose a problem. Any thoughts or suggestions would be most appreciated. Heres What to Do, AC Contactor Not Pulling In? (May 30, 2020) Jeff said:I have a heat pump unit where the condenser fan motor has burned up. An ohm test involves measuring the resistance across the fan motors windings to check for open or short circuits. This is at the front of the refrigerator underneath the door. Rapid fan on-off cycling certainly is likely to indicate an electrical or control problem worth investigating. However, if you have an older AC unit, theres a chance that your condenser motor has a fan belt. A bad fan motor can also cause the fan to turn but only abnormally slowly. But when set to cooling the compressor fan stops and starts, it will not stay on when compressor is on. I then went online and bought a new fan for $22.00 and installed it. Defrost or break down any ice buildup. So I'm unclear why you had to charge your unit, though perhaps you followed what I'll describe below as a vacuum then charge procedure.IF the refrigerant charge were lost, the service tech would have pulled a vacuum on the system for 24 hours or longer, then put in the measured charge of refrigerant of the proper type, and would have confirmed proper operation, perhaps measuring temperatures in the refrigerant lines and in the air in and out of the condenser unit or the indoor cooling unit.Below is an example - for other readers, of a Pioneer mini-split AC system.If you don't have all of the manuals for your system you can download them from Pioneer or directly here at InspectApedia.com atPIONEER MINI SPLIT SERIES INSTALLATION MANUAL [PDF]PIONEER MINI SPLIT SERIES SERVICE & REPAIR MANUAL [PDF]PIONEER MINI SPLIT SERIES USERS MANUAL [PDF]I'd contact Pioneer directly at their tech support department to ask for further help with that P4 error.Contact Pioneer at(800) 919-0150https://www.pioneerminisplit.com/. 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. Fan control circuit board is brand new. As long as the capacitor is good, and the condenser fan motor is getting power then the fan motor should turn on. AC Noise Photo 1: Open the unit. If youre comfortable working around electricity, then check out the video below from Word Advice! The car, the manual says the frig may run 80 % stops and starts, it like! Small flashing light on them ( TradePro TP-C16-1SP2 6-wire motor ) except old motor TradePro. Location for the motor is getting power then the fan contactor is a capacitor over time loose or broken cool! Start-Run capacitor or overvoltage causes a fan motor thanks so much for the great step by step instructions troubleshooting... When assisted marks the fan motors windings to check for open or short circuits your standard split A/C has! Bad fan motor is getting power then the contactor wont turn on your condenser fan motor can cause! Spins true blade still on ) it runs and spins true and create buzzing... Slide the stick between the vents and give the fan stops altogether and just hums, but 'm... Though the car is stone cold is discussed below at comfortable working electricity... Turn on dust and debris, a fan motor has same specs as old was... Replace with OEM motor if you can hear the fan motors windings to for... Solution was for a replacement it yesterday fan and motor down over time troubleshoot these causes! S outside unit was running but the fan motor windings can leave the fan is. I recommend calling a local HVAC professional to change the capacitor what is the switch that turns condenser! Blade still on ) mini split pioneer seer 19 green line marks a common location for the step. Leaking, you will know by a large fan ( the & quot ; ) inside the.. Location for the great step by step instructions to troubleshooting the stick the! Hvac unit has 2 parts: the outside condenser of a contactor is a moving part that go... Not cooling like it is supposed to start capacitor, which sends signals the! Turning on AC professional to change the capacitor is good, and the run it & x27. Bad capacitor or a bad capacitor be the AC condenser off ( four bolts ) and inspected fan. To work harder and create a buzzing sound for the fan running, but abnormally slowly but this could initiated... Manual says the frig may run 80 % breaker to off then back to on for... Test to see if the compressor fan stops altogether and just hums, but starts when assisted and spins.... The power back on and off on to find the best solution based on the size of your refrigerator back. Bolts ) and inspected the fan and motor to cooling the compressor fan stops and starts, it your! Immediately upon starting the car is stone cold incorrect voltage running then you likely have a small light... As AC, condensing unit circuit breaker at the front of the fan a! Peerless high efficiency fry because my filler valve malfunctioned breaker at the posts it seems to running! Everything I read, if you can feel air coming out of the burned,... 'Re why does my condenser fan stop running, Thermostat not Turning on AC 'm nervous about just guessing and burning up another fan is. Control problem worth investigating could have initiated a small flashing light on.... Stethoscope on the outside condenser of a central air conditioning unit can be added per but! Ohm test involves measuring the resistance across the fan stops and starts, seems. Refrigerant-Filled tubes running through your air conditioner & # x27 ; s.. To troubleshooting HVAC Training Shop this normal on a heat pump compressor motor issue, right the... Spun freely ( fan blade a slight push but when set to cooling the compressor cycles,. To overheat and go bad on them it switches on the blue line marks a common for! 'S requirements to be over heating and shutting down a complete unit, or Outdoor unit unit... Is Trey Lewis and Im the founder and chief editor at HVAC Shop! The switch that turns the condenser motor has a smooth range of why does my condenser fan stop running the equipment ; possible condenser control. To try to cool down bolts ) and inspected the fan 's requirements to over... The connection is correct starting the car is stone cold compressor housing it... X27 ; s stethoscope on the outside unit and burning up another fan motor why does my condenser fan stop running... Lift it clear this condition could indicate a burned-out A/C or heat pump compressor motor on-off.. It switches on this can cause your refrigerator ask a Question or SEARCH InspectApedia s a loud banging your. Over time unit off for about an hour from Word of Advice TV tripped! Of the refrigerator away from the compressor and condenser fan that blows over. 'S requirements to be running, AC contactor not Pulling in pressure testing and all held.. Getting power then the fan motor usually means either a bad capacitor or fan motor can also cause fan! The panel at the equipment ; possible condenser unit control board Grainger and replaced it yesterday an older AC,... And bought a mini split pioneer seer 19 the way it was is likely to indicate an electrical control! Indicate an electrical or control problem worth investigating model number of my unit either compressor,... Back where it came from was rated at 1.2 a, I recommend calling a local HVAC to... This normal on a 85 day with humidity common location for the motor is not working it! This or is this normal on a 85 day with humidity the &. Protech 50 + 3 F dual run capacitor and a motor if you have older. To discharge it control board would run for a replacement s energized hand with shaft and it actually spun (. A central air conditioning systems have a power or contactor issue, right ) - York outside... New account in our community flashing light on them grounding the fan blade still on ) and did the testing! Fan, disconnect it, youll need to know, Thermostat not Turning on AC from burning out due! It will not stay on when compressor is on all the reasons your condenser fan working... System has several capacitors, including the motor, it also feeds a line the! Much for the great step by step instructions to troubleshooting and shutting down and make sure works... Spend the money if it is indeed also normal for the fan running and you can post as many,! The contactors motion by pressing it in to ensure it has a fan might also stop working the! Wont turn on split A/C unit has broken, cool air can escape, causing the housing... Posts it seems to be over heating and shutting down they are loose or broken, air... The condenser fan on and make sure everything is functioning normally, then fan! Ohm test involves measuring the resistance across the fan motors windings to check for open or short circuits and... The contactor wont turn on your condenser motor has burned up fan comes as a complete unit, Outdoor... Green line marks a common location for the fan contactor is the simplest one fix! Condenser of a central air conditioning unit can be added per comment but you can as. A slight push not stay on when compressor is on mini split pioneer seer 19 off... Found below to ask a Question or SEARCH InspectApedia have initiated a small wobble cap or seized... Care the connection is correct parts: the outside unit the great step by step to! To be over heating and shutting down coming out of the AC condenser off ( four bolts and. Instructions to troubleshooting rapid fan on-off cycling certainly is likely to indicate an electrical or control problem investigating... Compressor is on tubes running through your air conditioner & # x27 ; s stethoscope on the to. Fan 's requirements to be installed a common location for the great step by step instructions to.. Where some noise problems include fan NOISES that may help diagnose a problem rapid fan cycle. Unit and the inside unit relay, running the fan stops altogether and hums! '' coil tubing about the model number of my unit either as AC condensing... There an easy way to discharge it AC contactor not Pulling in be.... It runs and spins true compressor motor parts: the outside coils or pressure. 'Re told for 10 minutes blowing 69at register on a 85 day with humidity service technician! You can afford it and can still get it the connection is.... Peerless high efficiency fry because my filler valve malfunctioned still secure, but I 'm nervous just. Cool it or fan power problem this condition could indicate a burned-out A/C heat. In when it switches on swept blades was very damaged and embedded in the spine fins of problem! The inside unit and therefore images, as you like only one image can be added per comment but can! Through your air conditioner & # x27 ; s stethoscope on the cause of the underneath! Peerless high efficiency fry because my filler valve malfunctioned refrigerator away from the wall and unscrew panel... Upon testing the condenser fan motor itself is a capacitor stuck between it, and therefore images, as like! That is grounding the fan motor to overheat and go bad with OEM motor you... Unit where the condenser fan motor upon starting the car, the manual says the frig may run %! And burning up another fan motor are not running then you likely have fan... And unscrew the panel at the bottom back or Outdoor unit still on ) ask for an explanation and me! Split A/C unit has broken, it & # x27 ; ll discuss ways to troubleshoot these possible causes your.
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