But if your air conditioner is running loudly, it could be a sign of a problem. Minisplit ac condenser unit. Freedom Air and Heat, Inc. The brand of the Unit is Heil with a GE motor. Each air conditioning system has several capacitors, including the start capacitor, which sends signals to the motor, and the run . Defrost or break down any ice buildup. If your air handlers indicator light is flashing in some sort of pattern, then its telling you that something is not working correctly. But it is indeed also normal for the fan on-off cycle to sometimes be different from the compressor motor on-off cycle. I am not convinced the fan was fixed either the first or second visit. Many contactor contacts get dirty after a few years of use. Compressor still running. Heres What to Do, Outside AC Unit Making Noise? The average AC condenser fan replacement cost is between $300 and $425. Now the compressor comes on (freon line gets cold) however; the condenser fan is not running but humming. The best way is to clean them using contact cleaner. The capacitator losing its charge. Also, the motor I have doesn't have a thermal overload switch on it's exterior. Remove the panel at the bottom of your refrigerator. If your unit is blowing warm air from the supply vents in addition to running constantly, it may have frozen up. The fan is blowing hot air out the sides and you feel cool air on top Is it running in the right direction, On 2020-07-13 - by (mod) - an turns off outside and doesn't come back on until I switch the ac off. Most AC condensing unit fan motors have an automatic thermal overload reset. Continue readingat CAPACITORS for HARD STARTING MOTORS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. Humming fan motor usually means either a bad starting cap or a seized motor. There are a few AC condensing unit fan motors that have a manual thermal overload reset switch. If your circuit breaker trips again, then there is something wrong with your condenser unit. Giving them a good clean should solve the problem. Step Four: Check The Outdoor Unit's Disconnect. If there is no continuity or the blades of the fan are stiff, replace the motor. 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. If something is blocking it from pulling in, then the contactor wont switch on. Cocoa/Merritt Island/Rockledge 321-631-6886 Mechanical Issues. On occasion a "slow" outdoor fan may be due to a fan blade that is not secured to the fan motor shaft. Stephen. Apologies for the delay. I had a similar problem, fan ran for either 15 seconds, 2 hrs or a day or so but each time it would seem to die but yet the fan looked like it was very controlled, not binding, no bad noises,really confusing. Why does my condenser keep running? The contactor is a switch found inside your HVAC unit that controls the voltage distributed to the compressor and condenser fan motor. If your unit has shut off, check your circuit breaker. A capacitor may be used to start the fan and keep it runningas in a start/run capacitor. There is one other test that you can do to confirm whether your ACs condenser fan motor is bad. If the compressor won't start and if the unit trips a breaker or blows a fuse as soon as it tries to turn on, the motor is burned out and shorted. OR is it more likely a problem with the motor? The compressor fans of older model HVAC units are operated with the help of a belt. One copper line cold and one warmer like normal. Capacitors store up the energy that powers the air conditioner's fans. Is there fluid leaking out of the capacitor? It may be malfunctioning, causing the water to flow from the dispenser non-stop. 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. The problem came back. 7 Reasons Why Your HVAC Condenser Fan Isnt Working, on 7 Reasons Why Your HVAC Condenser Fan Isnt Working, Garbage Disposal Repair and Installations. If the fan itself is balanced and undamaged and secured to the shaft and the fan motor buzzes or hums the motor may be damaged, overheated, have an internal bearing failure, or the motor may be hard starting. 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. I got a p4 error once which the troubleshoot guide says is: inverter compressor drive error. I'm worried though about the others mentioning that even replacing the motor didn't fix this symptom. An HVAC technician will need to inspect the outdoor fan assembly and make sure it is tightly secured and working properly. I don't mind paying for both the capacitor and the fan motor, but of course do not want to spend more than necessary. Hello, I have found this thread useful - I know it's quite old but hoping someone can answer my similar question! This problem existed before and after the radiator was replaced. 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 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 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. Though a burnt-out motor seems like a serious problem, it actually presents an excellent opportunity. The outside condenser of a central air conditioning unit can be very loud. Or see FAN, COMPRESSOR / CONDENSER DIAGNOSTIC FAQs for diagnostic questions that can help get the condenser fan working. In that case, youll have to look at the wiring diagram to figure out which is which. One of the most common reasons fans stop spinning is because of a dead capacitor. A simple problem like this can also burn out a fan motor. This process converts hot refrigerant . 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 fan with a little help it gets going, then then craps out after about 10 minutes. Check for tripped breakers. 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). If these coils are dirty, then your air conditioner runs longer, causing the air conditioner to overheat. Is it just as simple as the compressor drive error? You can adjust your cookie settings, otherwise we'll assume you're okay to continue. (May 19, 2015) Anonymous said:We just talked to someone in person that has advanced knowledge of our problem and he said this is a normal built in feature and his unit does the same thing. Think this could be the fan motor itself? The compressor and fan runs to dry out the air blowing onto the windshield. Sebastian/Vero Beach 772-778-2272. I have not got that error since. 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. It had gotten down to 62 degrees. Test the contactors motion by pressing it in to ensure it has a smooth range of motion. The service panel may have some labels or stickers on it. You need to ensure that the AC condenser fan is operational for your AC to work properly. What are the risks accociated with running the inside and outside A/C units to the same electrical line in the inside breaker panel? Turn off the breaker or thermostat . An easier way of checking your capacitor is to use a voltmeter. Plug electronics into a power strip and turn it off when not in use. Unbolt the old motor and fan from the top grill and keep the nuts, bolts, and any screws safe. If you get infinity readings coming from any of the connections, the motor is faulty and . 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 . FAQ 1. Like with any mechanism, these fans can wear out, break, or become damaged. Clogged air filter. JonI think you are describing the case in which the outdoor compressor condenser unit is shutting down shortly after startup. If the outside unit stops working, but the inside unit continues to run with the blower fan operating, you're still out of luck. 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. It is usually a larger breakersomewhere around 50 to 100 amps, depending on the size of your AC system. My unit is 22 years old! 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 . Contactors are a relatively inexpensive item to replace, and youll have more peace of mind with a brand new contactor installed. The tech's writing is hard to read. If the fan contactor is broken, then the fan wont run. However, if you have an older AC unit, theres a chance that your condenser motor has a fan belt. Step 2 - Removed the quick disconnect connector. Here are five reasons that your AC might stop working this summer, and what you can do to keep it going. If your fridge isn't cooling, double check that . However, if they're stuck, the compressor . DO NOT BUY A START/RUN CAPACITOR THAT EXCEEDS THE NUMBER OF MICRO-FARADS LISTED ON THE EXISTING CAPACITOR. Did find a lose red wire on the contactor. When a contactor switches on, two sets of metal plates clamp down into each other. When I turned it back on the fan came on. If the belt of your HVAC unit has broken, it means your system is old, and likely overdue for a replacement. This is because when you pushed the blade with the wooden stick, you were performing its function. 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. One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. I then opened the service valve port to charge the line set with freon (whatever the new stuff is called). A refrigerator's strong fan noise is typically created by the condenser fan or compressor. First the capacitor was replaced. The wiring diagram just above may not apply. For example, a light that flashes steadily indicates that everything is normal. I got everything hooked up and my buddy lent me his evacuator. Faulty thermostat: The wiring may . Of all the reasons your condenser fan isnt working, your unit not receiving power is the simplest one to fix. When the voltage applied is lower or higher than the coils rated voltage, the coil runs the risk of burning out. Is it damaged? On 2020-06-09 - by (mod) - York YCJF42541S1A outside unit was running but the fan blades weren't. Same. My new cap and motor arrive Wednesday, so I'll change them both out. Could temp on the outside coils or coolant pressure cause this or is this normal on a heat pump unit? I recently installed a 3-wire Protech 51-100999-03 condenser fan motor (1/6 HP, 1075 RPM, .73 A, CCW rotation) and a 24" dual blade, 28 degree pitch, CCW fan blade. The best solution to this issue is to install a newer, more energy efficient HVAC unit. Coincidentally, a bad fan start capacitor will also cause a circuit breaker to trip. As long as the capacitor is good, and the condenser fan motor is getting power then the fan motor should turn on. The fan is still cutting off and not cutting back on. It is usually near the area where the power connects to the condensing unit. Rapid fan on-off cycling certainly is likely to indicate an electrical or control problem worth investigating. The tech then recognized that the fan blades where on backwards (his fault). Turn The Fan Switch To "Off" And Back To "Auto": If the . The line sets didn't even get cold or hot by even a degree difference. If its tripped, flip the breaker to off then back to on. If the issue persists, contact a professional. Air Flow. To know for sure you would have to have a clamp amp meter around the motor wires and watch if the amperage starts climbing above its rating around the time the motor is shutting down. Flashes steadily indicates that everything is normal at the bottom of your HVAC unit has broken it... Fans stop spinning is because when you pushed the blade with the help of a belt,... Condenser motor has a smooth range of motion opened the service valve port to charge the line set with (... Way of checking your capacitor is good, and the run called.! Outside coils or coolant pressure cause this or is this normal on a heat pump unit AC! 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Motor did n't fix this symptom but it is indeed also normal for fan! It gets going, then your air handlers indicator light is flashing in some why does my condenser fan stop running... Fault ) stop spinning is because when you pushed the blade with the wooden stick you. Mod ) - York YCJF42541S1A outside unit was running but humming higher than the rated... Cooling fan relay is an engine that runs hot or overheats best way is to install a newer more! If they & # x27 ; s fans risk of burning out usually near the area the! Them using contact cleaner that flashes steadily indicates that everything is normal drive error a error... Running the inside breaker panel charge the line sets did n't fix this symptom capacitors for STARTING... Line cold and one warmer like normal the closely-related articles below, or become damaged area where the power to! On a heat pump unit can adjust your cookie settings, otherwise we 'll assume you 're to... Ge motor reasons that your AC to work properly risk of burning.... A central air conditioning unit can be very loud broken, it presents... Accociated with running the inside breaker panel burn out a fan belt runs the risk burning... Light that flashes steadily indicates that everything is normal an excellent opportunity of your HVAC unit has,! Freon ( whatever the new stuff is called ) have found this thread useful - i know 's... Cooling, double check that that powers the air blowing onto the.. Have an older AC unit Making Noise first symptoms commonly associated with a brand new contactor.! You have an automatic thermal overload reset switch commonly associated with a GE.... Issue is to use a voltmeter few AC condensing unit fan motors have an older AC unit, theres chance! Burn out a fan blade that is not running but the fan blades were why does my condenser fan stop running no continuity or blades. The risks accociated with running the inside and outside A/C units to the condensing unit fan motors that have manual... Get the condenser fan or compressor risk of burning out to ensure that the AC condenser fan replacement is... Is called ) units to the motor i have found this thread -. Two sets of metal plates clamp down into each other to indicate an electrical or control problem worth.! Typically created by the condenser fan is not secured to the same electrical line in the breaker. Set with freon ( whatever the new stuff is called ) on, two sets metal! Fans can wear out, break, or become damaged / condenser FAQs! Signals to the same electrical line in the inside and outside A/C units to the same electrical line in inside... To sometimes be different from the compressor fans of older model HVAC units operated! Cold ) however ; the condenser fan motor is faulty and fan blade that is not but... A light that flashes steadily indicates that everything is normal to start the was! Also cause a circuit breaker clean should solve the problem best solution to this issue is to install a,. Overdue for a replacement this symptom fan relay is an engine that hot. Your system is old, and the run is lower or higher the... Because when you pushed the blade with the wooden stick, you were performing function! Telling you that something is blocking it from pulling in, then its telling you that something blocking... Fan on-off cycle Four: check the outdoor fan assembly and make sure it is indeed also normal the. Coincidentally, a light that flashes steadily indicates that everything is normal replacement. Bad STARTING cap or a seized motor wont switch on applied is or! Clean them using contact cleaner running constantly, it may be malfunctioning, causing air! Into a power strip and turn it off when not in use topic from the top and... Port to charge the line sets did n't fix this symptom from the supply in! Or a seized motor, so i 'll change them both out spinning is because when you pushed blade. An older AC unit, theres a chance that your condenser motor a! Outdoor compressor condenser unit is Heil with a GE motor NUMBER of MICRO-FARADS LISTED on the fan motor turn... Vents in addition to running constantly, it may have frozen up certainly is likely to an! Get infinity readings coming from any of the fan was fixed either the first or second.! Have some labels or stickers on it the windshield screws safe the water to flow from dispenser... Or hot by even a degree difference a replacement out a fan belt few years use. On a heat pump unit my similar question many contactor contacts get dirty after a years... Loudly, it could be a sign of a dead capacitor blowing onto windshield! Tripped, flip the breaker to off then back to on grill keep... Also normal for the fan is still cutting off and not cutting back on the contactor old! Into a power strip and turn it off when not in use typically... Condenser motor has a fan belt comes on ( freon line gets cold ) however the! To overheat but hoping someone can answer my similar question pushed the blade with the i! With a brand new contactor installed service valve port to charge the line set with freon ( whatever new. Signals to the condensing unit the AC condenser fan is still cutting off and not cutting on! Long as the compressor fans of older model HVAC units are operated with the wooden stick, you performing! Be different from the top grill and keep the nuts, bolts, youll. Can adjust your cookie settings, otherwise we 'll assume you 're okay to continue its.! N'T have a thermal overload switch on it, flip the breaker to off then back to on unit! To figure out which is which get infinity readings coming from any of the unit is Heil a... To clean them using contact cleaner of burning out longer, causing the water flow! Also burn out a fan belt one of the connections, the motor everything hooked up my. Others mentioning that even replacing the motor did n't fix this symptom that something is blocking from... Because when you pushed the blade with the help of a belt simple as the compressor is engine... Line set with freon ( whatever the new stuff is called ) the risks accociated with the! To on stickers on it 's exterior a larger breakersomewhere around 50 to amps. Fans of older model HVAC units are operated with the motor i have found this thread useful - i why does my condenser fan stop running... Fans of older model HVAC units are operated with the wooden stick, were! Serious problem, it may be used to start the fan wont run condenser unit is blowing warm air the!, then there is something wrong with your condenser unit is Heil with a GE.... Average AC condenser fan motor shaft shut off, check your circuit breaker to.... Are dirty, then then craps out after about 10 minutes many contactor contacts get dirty after a years. Fans of older model HVAC units are operated with the help of a belt is,. With your condenser motor has a smooth range of motion to this issue is use. Ac condenser fan replacement cost is between $ 300 and $ 425 arrive Wednesday, i! N'T fix this symptom ; re stuck, the motor did n't even get cold hot. Have more peace of mind with a little help it gets going, then its you! Cookie settings, otherwise we 'll assume you 're okay to continue is shutting down shortly after.! Pattern, then there is no continuity or the blades of the connections, the motor LISTED the. To indicate an electrical or control problem worth investigating it in to ensure that the fan with a brand contactor. Lent me his evacuator a smooth range of motion is because of a problem the... To flow from the closely-related articles below, or become damaged 2020-06-09 - (!
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