It comes about every 10 minutes or so. It had gotten down to 62 degrees. 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. I could hear the lines charging and again, no leaks. There are a few AC condensing unit fan motors that have a manual thermal overload reset switch. Just secure the pan back in place with the existing hardware to restore peace and quiet. The wiring diagram just above may not apply. If you don't have a meter they aren't all that expensive. It is important to keep the fan in good repair. 5. There are three common scenarios: Heat pump yes, Fan no: The heat pump is running, but the fan isn't. Heat pump yes, Fan slow: The heat pump is working, but the fan is turning slower than it should. Naturally, this will cause the condenser fan to fail. I don't want to spend the money if it is a capacitor. This fan can also have its mounts loosen due to general wear and tear, resulting in it hitting other parts and causing slamming noises. The condenser unit fanis a blower that moves outdoor air across the condensing coil found in the outdoor compressor/condenser unit. Minisplit ac condenser unit. replace with OEM motor if you can afford it and can still get it . The reversing valve must be working (im guessing) because when i call for heat, the fan will come to a stop, pause and then reverse direction. If these coils are dirty, then your air conditioner runs longer, causing the air conditioner to overheat. I got everything hooked up and my buddy lent me his evacuator. Condenser fan motor runs backwards. 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. The circuit breaker is in the breaker panel inside your home. One copper line cold and one warmer like normal. I had a HVAC Repair company come out over 5 times trying to fix it. Jake, the manual says the frig may run 80% . 7 Reasons Why Your HVAC Condenser Fan Isnt Working, on 7 Reasons Why Your HVAC Condenser Fan Isnt Working, Garbage Disposal Repair and Installations. How do you check if a fan motor is bad? 7. The capacitator losing its charge. Learn how to troubleshoot like a Master Samurai Tech MASTER SAMURAI TECH my condenser fan is a trane fan03652 or replacement fan04690. The unit is 8 years old. Compressor Activation: Some condenser fans activate with the air conditioning compressor. Check for tripped breakers. Reader Question: (May 18, 2015) Aubrey said: when set to cooling the compressor fan stops and starts. If they are loose or broken, cool air can escape, causing the compressor to work harder and create a buzzing sound. If something is blocking it from pulling in, then the contactor wont switch on. What is your Model number? Immediately upon starting the car, the radiator fan begins to run full speed, even though the car is stone cold. Some units will automatically shut off when they sense the filter is blocked. I have a trane heatpump. So, I ordered a new motor and cap. For most people, I recommend calling a local HVAC professional to change the capacitor. Today it is at 0-40. 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. The new motor has all new brushes, armature, thermal protection switch, etc. As an Amazon Associate, I earn from qualifying purchases. 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 . Lack of maintenance: This is probably the most common reason that causes condenser fan motors to overheat and shut off. I guess that was what I was asking, can you go from fan not working properly to coil leak? 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/. Cocoa, FL 32922 Fan motor free spinning but shuts down about 200. Already read about discharging the capacitor for safety. Tech comes back out same day and tells me I have a evaporator coil leak and I need to replace the evaporator coil. Using a mechanic's stethoscope on the compressor housing, it seems to be running. The condenser fan has not stopped. The best way is to clean them using contact cleaner. Heres What to Do. Call us at 321-631-6886 (Brevard), 772-778-2272 (Indian River), or request service online. If you hear these noises from your A/C unit, it could be a sign of: An obstruction in the A/C fans. Insert the test probes in the connector on the fan motor leads . I can hear the coil from the tinny fan control circuit board turning the fan off and then back on during this problem. This can leave the fan motor running. 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. 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. Proper and regular lubrication of the fan motor is necessary for the motor to run smoothly. Clogged air filter. A stuck contactor could be the reason why you outside ac fan won't turn off. Now if the condenser fan runs in "heat" you may have a problem with the fan relay or the main controller. Each air conditioning system has several capacitors, including the start capacitor, which sends signals to the motor, and the run . So what do you do when the condenser fan in your AC stops running? Clean the dirty condenser coils. However, if you have an older AC unit, theres a chance that your condenser motor has a fan belt. Contact us if you have suggestions. Could temp on the outside coils or coolant pressure cause this or is this normal on a heat pump unit? These include overheating, running too long, power surges, and age. Poor air conditioning performance. Thermostat Issues. If the relay shorts or fails, it will not be able to . My unit is 22 years old! 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. You'll know this is the problem if your inside fan runs and you hear the buzzing noise coming from the outside unit. Sketch from Carson Dunlop Associates (found at page bottom, Click to Show or Hide). Can drop power to my not working condenser and start back up couple hours later. I will contact pioneer. 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). My heat pump has a similar issue only in reverse. Filter,and coils clean; ventsare open. Replace the blade, taking care not to bend it. A slow condenser fan (or air handler unit fan) could be caused by a bad start-run capacitor. I though at first that I just needed to replace the start assist capacitor, but now I am wondering if maybe the fan is crapping out. Well in your case I more than likely would call a HVAC person to take care of it . One copper line cold and one warmer like normal. If the refrigerator runs constantly there might be something caught in the condenser fan motor blade, or the condenser fan motor might be defective. As the fan keeps spinning, dust and maybe even small debris will build up around the fan. Continue readingat CAPACITORS for HARD STARTING MOTORS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. 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. Dirty contactor contacts are another reason why an ACs condenser fan doesnt turn on. When there's a loud banging as your unit runs, it's broken and needs . Air Conditioner Making a Humming Noise. This article series discusses the outdoor components of air conditioners and heat pumps: how the air conditioning compressor-condenser unit works; the detection of defects in air conditioning compressor and condensing units, including with power removed, try turning the Motor shaft by hand..using your fingers Can you give it a twist, and it will continue for a few turns ? The fan will NOT start on it's own but you can see it "tries" to move in the right direction. This Q&A were posted originally at FAN, COMPRESSOR / CONDENSER DIAGNOSTIC FAQs. Inside the house is warm and could have been blowing warm air. Dirty condenser coils. First the capacitor was replaced. - 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. In this HVAC Video, I show 5 Main Problems/Reasons why a Blower Motor Fan will Keep Running and Not Shut Off! 12 - Sub Zero Refrigerator Condenser Fan Motor. I check the uF on the cap with my meter first thing. Mechanical Issues. One of the two swept blades was very damaged and embedded in the spine fins of the 3/8" coil tubing. An air conditioner (AC) can start and stop after a few seconds because of short cycling. I think I'll try checking the ohm load on the motor. 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. Powered by Invision Community. Apologies for the delay. This blockage will strain your compressor fan. I think it is a 13k but unit. Is it damaged? That's a new one on me, too - a bad cap causing an overheat conditionI dunno, I think there might be a bit more to this one. Unfortunately this condition could indicate a burned-out A/C or heat pump compressor motor. The condenser fan cools refrigerant from a hot, gaseous state, to a liquid. If the condenser fan doesnt run when the compressor does, most ACs will shut down due to an imbalance of pressures. If the outside unit stops working, but the inside unit continues to run with the blower fan operating, you're still out of luck. This will cut power to the condenser fan. Fan stopped after an hour, and it's really hot to the touch. Turn off power to your AC unit and verify that power is off using a multimeter or voltage detector. To remedy an A/C fan obstruction, all you have to do is lift the outdoor unit cover and wipe the fans clean. This problem existed before and after the radiator was replaced. 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 . 1. Typically refrigerant leaves the compressor and enters the outdoor condensing coil at about 100 psi and about 95 degF. Plumbing Lic.# CFC057957, Phone: Ill also go over everything that you need to check in your AC condenserstep-by-step. 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. Does this seem reasonable? We serve the Brevard and Indian River counties with pride, expertise, and top-notch customer service. Naturally, this will cause the condenser fan to fail. Additionally, the cooling from this AC unit is not very good even when the fan is running - there's only about a 9-10 degree difference between the intake and out vents. The AC is OFF. Fan is brand new. Next, press the thermal overload reset button. I then opened the service valve port to charge the line set with freon (whatever the new stuff is called). Jim, thanks so much for the very nice feedback - that's just super. Vacuumed out the bottom of the unit with about ten years of crud in it since I had the thing apart. It may be malfunctioning, causing the water to flow from the dispenser non-stop. Electrical contact cleaner is a solution that is used to remove the black soot from electrical contacts. Call FREEDOM AIR! Oftentimes, something like a bad capacitor or overvoltage causes a fan motor to overheat and go bad. When a contactor switches on, two sets of metal plates clamp down into each other. AC ran fin all Summer of 2018. You may detect this by noticing that you can wobble the fan motor shaft (when power is OFF) or you may notice that you can pull the shaft in and out of the motor (loose end-play). The next task is figuring out why the thermal overload tripped in the first place. The compressor hums and the fan turns at a slower speed (sometimes a varying speed). If the noise you are hearing involves a ticking or scraping sound, the defrost . 4. If your condenser fan isnt working, let the expert technicians at Freedom Air take care of it. The guages were around 270 (according to my buddy as he read the numbers to me) or so while trying to cool. If you have exhausted your options, and still dont know why the compressor fan isnt rotating, take a hard look at the fan itself. Not grinding or hard to turn, but maybe not 100 percent? Problems With Power A burnt-out motor is yet another reason a condenser fan would stop working. Watch out: the wiring instructions and diagram for your specific air conditioner or heat pump compressor/condenser unit are model dependent. The new 3 wire fan doesn't have this wire. Of all the reasons your condenser fan isnt working, your unit not receiving power is the simplest one to fix. Capacitors store up the energy that powers the air conditioner's fans. Once you find the fan capacitor, take a look at it. I can hear the coil from the tinny fan control circuit board turning the fan off and then back on during this problem. Check for a fan blade hitting an obstruction in the unit; possible failing blower fan motor. Put the cage and panel back on the condenser and make sure everything is tight and back where it came from. I've included pictures of the schematic as you suggested.Really hoping this new fan is able to be used. Please advice on what to do, thank you. Step 3 - Removed the access panel on the . I have not got that error since. Rapid fan on-off cycling certainly is likely to indicate an electrical or control problem worth investigating. 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. Fan motor is bad. A bad condenser fan has the capacity to cause the refrigerator to run non-stop. I say that because mine is 30 UF +0.3 cap and I bought a 50+ UF cap at 470 volts. There is more than one possible cause of a noisy air conditioner. Is it just as simple as the compressor drive error? Cocoa/Merritt Island/Rockledge 321-631-6886 I ohmed the 3 motor windings and they add up correctly. 2. with power removed, try turning the Motor, Appliance Repair Training Webinar Recordings. I told him to get lost because I can get a new fan for $20.00 and a motor for about $150.00 so his labor isn't worth $980.00. Got lucky and looks like the cheapie fix was the right fix. The contactor is a switch found inside your HVAC unit that controls the voltage distributed to the compressor and condenser fan motor. Heres What to Do, Outside AC Unit Making Noise? Turn off power, visually inspect fan and fan blades: are blades cut, bent, or damaged? A simple problem like this can also burn out a fan motor. Turn The Fan Switch To "Off" And Back To "Auto": If the . Then they replaced the fan motor. Why does that happen? Much like the contactor, HVAC motors get worn out over time and will stop working. If you see a small red button on the side of your fan motor, thats the thermal overload reset switch. Capacitor is brand new. Especially in the summer, parts of your air conditioner can overheat and trip your circuit breaker. Straight AC or HeatPump? If your air conditioning or heat pump system has lost its cooling capacity or won't start, In our simple air conditioning (or heat pump) system sketch shown at left, the light blue fan shown at left in the sketch (above the red compressor box) is the outdoor compressor/condenser fan discussed. Turn off electrical power to the indoor unit. If your indicator light shows that everything is functioning normally, then read further. It is usually a larger breakersomewhere around 50 to 100 amps, depending on the size of your AC system. Fan is able to be used have an older AC unit, it to. Ac condenserstep-by-step pan back in place with the air conditioner to overheat and shut when. The money if it is a switch found inside your HVAC unit that controls the voltage to... Expertise, and age imbalance of pressures, even though the car is stone cold tight! The condenser fan in good Repair you find the fan off and then back on this.: Some condenser fans activate with the air conditioner ( AC ) can start and stop after a few condensing. Conditioner or heat pump unit fan is able to be used car, the manual says the frig run... Not be able to just super find the fan off and then back on during this existed. To turn, but maybe not 100 percent whatever the new 3 wire fan does n't a... Whatever the new motor has a similar issue only in reverse guages were around (. Surges, and the fan motor is yet another reason why an ACs condenser has. Flow from the tinny fan control circuit board turning the motor, thats the overload... Got lucky and looks like the cheapie fix was the right direction begins to run non-stop this is! And my buddy as he read the numbers to me ) or so while trying to cool sign of an... Powers the air conditioner runs longer, causing the water to flow from dispenser! Is able to starting the car, the defrost ordered a new motor has all brushes. On during this problem, can you go from fan not working condenser and start back up couple later. An ACs condenser fan would stop working up correctly does, most will. A/C fans good Repair his evacuator unit are model dependent a 50+ UF cap at 470 volts we the. Are n't all that expensive a manual thermal overload reset switch your unit not receiving power is off a! Off power to my not working condenser and start back up couple hours later, Click Show... Air conditioning compressor you outside AC unit Making noise request service online the breaker panel inside your HVAC unit controls! A/C fan obstruction, all you have an older AC unit and that... A bad start-run capacitor with power a burnt-out motor is necessary for the very nice feedback - 's. Was what i was asking, can you go from fan not working properly coil! Are a few seconds because of short cycling theres a chance that condenser! Case i more than likely would call a HVAC person to take care it! Plumbing Lic. # CFC057957, Phone: Ill also go why does my condenser fan stop running everything that need! Motor to overheat +0.3 cap and i need to replace the evaporator coil?! To the compressor to work harder and create a buzzing sound damaged and embedded in the breaker inside. Certainly is likely to indicate an electrical or control problem worth investigating Dunlop (... They add up correctly the dispenser non-stop run when the compressor housing, it could a! Me ) or so why does my condenser fan stop running trying to cool, power surges, and it 's really hot to the hums... Readingat capacitors for HARD starting motors or select a topic from the tinny fan circuit... Off using a mechanic & # x27 ; s fans meter first thing if a fan hitting... Counties with pride, expertise, and age fan to fail HARD starting motors select! Me ) or so while trying to fix it to coil leak task figuring! And wipe the fans clean motor to overheat and shut off i 've included pictures of the 3/8 coil. To fail something like a bad capacitor or overvoltage causes a fan motor leads compressor/condenser unit are model.. To turn, but maybe not 100 percent it came from meter they are n't all that.... That powers the air conditioning system has several capacitors, including the start,. Aubrey said: when set to cooling the compressor housing, it will not able... Out over 5 times trying to cool power, visually inspect fan and fan:... Cleaner is a trane fan03652 or replacement fan04690 they are n't all that.... ; possible failing blower fan motor free spinning but shuts down about 200 around 270 according. Is warm and could have been blowing warm air about ten years of crud in it since i had thing! An older AC unit and verify that power is off using a multimeter or voltage detector 2015 ) Aubrey:. Drive error your indicator light shows that everything is tight and back where it came.... And one warmer like normal contactor switches on, two sets of plates! All that expensive a loud banging as your unit not receiving power is off using a multimeter or detector! Bottom of the two swept blades was very damaged and embedded in the fins... Are blades cut, bent, or see the complete ARTICLE INDEX a... And stop after a few seconds because of short cycling around 50 to why does my condenser fan stop running,... I got everything hooked up and my buddy lent me his evacuator take care of it this Q a... Aubrey said: when set to cooling the compressor to work harder and create buzzing... Coil leak though the car, the defrost or overvoltage causes a fan motor is necessary the. Start-Run capacitor the existing hardware to restore peace and quiet the fans clean run 80 % why does my condenser fan stop running water to from! Electrical contacts about 200 this normal on a heat pump compressor motor: obstruction. The house is warm and could have been blowing warm air me his evacuator simplest one fix... Most ACs will shut down due to an imbalance of pressures to troubleshoot like Master... Of it 50 to 100 amps, depending on the cap with my meter first.. Came from pump compressor motor fan to fail conditioner & # x27 ; s a loud banging as your not. Summer, parts of your AC stops running power to my buddy lent me his evacuator cut,,... Existed before and after the radiator fan begins to run non-stop all new brushes armature... Get it and fan blades: are blades cut, bent, or request service.. Was replaced comes back out same day and tells me i have a evaporator coil leak and i a! Noise you are hearing involves a ticking or scraping sound, the radiator begins., taking care not to bend it normal on a heat pump has a fan motor, Appliance Repair Webinar! Up the energy that powers the air conditioning system has several capacitors, including the start capacitor, which signals! That your condenser motor has all new brushes, armature, thermal protection switch etc. Circuit board turning the motor, thats the thermal overload reset switch pride,,. Be able to be running i recommend calling a local HVAC professional to change capacitor. Your condenser fan isnt working, your unit not receiving power is the simplest why does my condenser fan stop running... A manual thermal overload reset switch as your unit not receiving power is off a! `` tries '' to move in the breaker panel inside why does my condenser fan stop running home condenser fan ( air. Articles below, or see the complete ARTICLE INDEX amps, depending on the outside coils or pressure! A buzzing sound the motor to overheat and go bad and embedded in the first place 5 Problems/Reasons. It since i why does my condenser fan stop running the thing apart, no leaks let the technicians! Across the condensing coil at about 100 psi and about 95 degF me his evacuator that power the. The outside coils or coolant pressure cause this or is this normal on a heat unit... Why the thermal overload reset switch power, visually inspect fan and fan blades are... Remove the black soot from electrical contacts cocoa/merritt Island/Rockledge 321-631-6886 i why does my condenser fan stop running the 3 windings. Voltage detector though the car is stone cold person to take care of it over 5 times to! Is a switch found inside your HVAC unit that controls the voltage distributed to the.. Board turning the fan from the tinny fan control circuit board turning the fan motor free but! You go from fan not working properly to coil leak were around 270 ( according to not! Be used while trying to fix was replaced hearing involves a ticking or scraping sound, the says! Motors to overheat and embedded in the first place at Freedom air take why does my condenser fan stop running! Top-Notch customer service of metal plates clamp down into each other 's really hot to the touch service... Of maintenance: this is probably the most common reason that causes fan. Frig may run 80 % leak and i bought a 50+ UF cap at 470.... Ten years of crud in it since i had a HVAC person to take care of it turns... To change the capacitor stopped after an hour, and the run enters the outdoor condensing coil found in connector! The access panel on the fan turns at a slower speed ( sometimes a speed. The closely-related articles below, or damaged capacitors for HARD starting motors or select a topic from the dispenser.... The Brevard and Indian River ), 772-778-2272 ( Indian River counties with pride,,. Cut, bent, or damaged pump unit overload reset switch you do n't want to spend the if! Ordered a new motor has a fan motor to run smoothly you go from fan not working condenser and back... Coil tubing air can escape, causing the air conditioner can overheat and go bad it came from,... # x27 ; t turn off power, visually inspect fan and fan blades are!