Condenser fan motor runs backwards. Lic.# CAC1814448 Thermostat Issues. Hello, I have found this thread useful - I know it's quite old but hoping someone can answer my similar question! Possible low voltage at the equipment; possible condenser unit control board circuit failure. The coil was not penetrated & maintains pressure. If the button doesnt click back into place then the motor is still too hot, or there is another failure somewhere inside the fan motor. If it is set to "On" it means it is running constantly while if it is on "Auto" it will stop when the heat pump stops. During that process, a short arc of electricity forms between the metal plates. Though a burnt-out motor seems like a serious problem, it actually presents an excellent opportunity. 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. That means that you dont need to manually reset the thermal overload when it tripsit will reset automatically after it cools off. When the motor craps out it doesn't make a noise or come to a grinding halt it just stops. my condenser fan is a trane fan03652 or replacement fan04690. Is there fluid leaking out of the capacitor? This fan is usually called the condenser fan. This is at the front of the refrigerator underneath the door. Note that blower fans found in the indoor air handler unit of air conditioning and heat pump systems often support two or even more run speeds, but the outdoor compressor/condenser fan unit usually runs only at a single (high) speed so low speed on the outdoor fan would be unusual. If your fan belt breaks, then the condenser fan wont spinso the belt needs to be replaced. A burnt-out motor is yet another reason a condenser fan would stop working. Not much different pitch before and after it's energized. Posted on Sep 25, 2014. Replace the blade, taking care not to bend it. Same. Or more likely the fan motor? I am not convinced the fan was fixed either the first or second visit. Sign up for a new account in our community. This blockage will strain your compressor fan. Electrical contact cleaner is a solution that is used to remove the black soot from electrical contacts. 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. On 2020-03-02 by Anonymous There are also fuses in the disconnect box near the condenser whether it is a heat pump or an air conditioner. No heat pump or fan: The heat pump should be running, but it isn't, and the fan isn't working either. Naturally, this will cause the condenser fan to fail. Is the drive separate from the compressor? . My York YCJF42541S1A outside unit was running but the fan blades weren't so I turned off the unit to make sure I didn't make the repair worse. Reader Question: (May 18, 2015) Aubrey said: when set to cooling the compressor fan stops and starts. If you can hear the fan running and you can feel air coming out of the . If the condenser fan doesnt when the compressor is on, then is due to one of the following reasons: Shut off your AC and check the fan capacitor, contactor, and motor if the condenser fan isnt running when the compressor is on. It starts by it self, and cools. When the condenser fan is well-maintained, it prolongs the life of the entire HVAC unit. Indeed you point out that when replacing a start/run capacitor itnisnimportant to use the proper one. Check to see if the fan starts spinning. Replace a malfunctioning condenser fan motor. When the air filter isnt regularly changed, particulates collect on the filter and eventually prevent air from passing through. The AC's capacitors are small, cylinder components that send energy signals to power the fan motor and the rest of the AC unit. Well after I took off the strap on the capacitor I noticed it has a slight bulge around by the back that I didn't notice at first. I dried the lines and did the pressure testing and all held perfectly. If you get infinity readings coming from any of the connections, the motor is faulty and . Theres usually a reason that it trippeda malfunction. Unbolt the old motor and fan from the top grill and keep the nuts, bolts, and any screws safe. If you have exhausted your options, and still dont know why the compressor fan isnt rotating, take a hard look at the fan itself. See if you can find the wiring diagram for your condenser unit - often on a sticker in the unit, or always in the IO manual for the unit. Unfortunately this condition could indicate a burned-out A/C or heat pump compressor motor. Condenser Fan stops running- Fan or capacitor? Turn off power and assure that the fan blade is secured to the fan motor shaft. Its comes on, may run for 15-20 minutes then fan stops & unit makes loud noise. Fan in putside unit stops running in a halo hour. Dodge Master. Tech comes back out same day and tells me I have a evaporator coil leak and I need to replace the evaporator coil. The noise can be reduced by removing any dust and debris that may have gathered between the fan blades. Am I able to wire a 3 wire fan into a heating pump that had a 4 wire fan? I notice the red on the unit is coming off of a small circuit board that says low. You have a bad condensor fan. We have no relationship with advertisers, products, or services discussed at this website. I will contact pioneer. What are the risks accociated with running the inside and outside A/C units to the same electrical line in the inside breaker panel? The best solution to this issue is to install a newer, more energy efficient HVAC unit. Other compressor units such as those used. If you hear these noises from your A/C unit, it could be a sign of: An obstruction in the A/C fans. The Outdoor Condenser Unit is Blocked. Does this seem reasonable? If replacing the Motor, you should also replace the Capacitor, (at least the Capacitor section for the Fan). 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. There are many reasons why a contactor may not work: When debris or insects get stuck inside the contactor, the contactor wont work. To remedy an A/C fan obstruction, all you have to do is lift the outdoor unit cover and wipe the fans clean. The fan motor and capacitor have been replaced. Now the compressor comes on (freon line gets cold) however; the condenser fan is not running but humming. Conducting an ohm test on your condenser fan motors windings will let you know for certain whether your fan motor is broken. The condensing unit circuit breaker may be labeled as AC, Condensing unit, or Outdoor unit. New to this site however have an issue similar to above. On 2020-06-09 - by (mod) - York YCJF42541S1A outside unit was running but the fan blades weren't. 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. 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 goal for this website is to help homeowners troubleshoot and maintain their homes HVAC systems. So is there an easy way to test to see if the fan motor needs replacement? Fan is still intact. Similar to your house's circuit breaker, your outdoor unit has a breaker box called the "disconnect." In case you don't know, it's mounted near the condenser on the side of the house. Sorry Jedson but I don't understand the question. Thanks. Unscrew and lift off the top panel. The contactor is a switch found inside your HVAC unit that controls the voltage distributed to the compressor and condenser fan motor. My AC unit is 18 years old, and I was afraid it was hopeless, but I decided to run through your checklist, and I was able to get it cleaned up and running again. But it seems to me that that condition should not be for long. To clarify, the compressor and fan will run in defrost mode. I could hear the lines charging and again, no leaks. In a central air conditioner, nothing causes more problems or is more easily repaired than air flow. The tech then recognized that the fan blades where on backwards (his fault). PDo let me know what your service repair technician says. I have not got that error since. Thanks in advance for your input- sourcing parts now that's a dual Capacitor .. two sections .. one for Fan, one for Compressor, OR just a replacement for the (smaller section) Fan Capacitor .. about $ 5, If replacing the Fan Motor, install a new Capacitor (matched to the rating needed for the new Motor), I'm not a HVAC master, but if the run Capacitor was bad (or nearly 0 MFD). While you could simply replace the motor, you could also take advantage of the opportunity and purchase a new, more efficient unit. If its tripped, flip the breaker to off then back to on. If the issue persists, contact a professional. Please advice on what to do, thank you. The heavy fan motor is mounted on the panel, so have a helper hold it while you install the blanket. Welcome to the forums. Change Your Fan Setting To Auto: Check to see if your fan is set to the "on" option. Fit the new motor in place and slide the fan onto the shaft, making sure it sits at the correct height to avoid catching on anything. The fan stops on the condenser. Step Ten: Putting it Back Together. The new motor is a 3 wire with yellow, brown, and black. One of the most common reasons fans stop spinning is because of a dead capacitor. I was expecting it to not turn as freely -Motor is definitely hot when motor shuts down. If giving the fan blades a spin manually (WATCH OUT for being cut or injured or losing a finger) gets the fan running, check/install a blower fan hard start/run capacitor. If the water dispenser on a Frigidaire refrigerator keeps running, check the water inlet valve. 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). Banging. it depends. Guest horn4life HVAC fan noises are discussed furtherat HVAC FAN NOISES where we also refer readers to still more detail about hard-starting motors, and at ELECTRIC MOTOR NOISE DIAGNOSIS for figuring out what may be wrong with the fan motor, Check/install a blower fan hard start/run capacitor. A capacitor may be used to start the fan and keep it runningas in a start/run capacitor. Check the freezer's compressor. Problem: Noisy air conditioner. document.write(new Date().getFullYear()); Freedom Air and Heat, Inc. All Rights Reserved. 7 Reasons Why Your HVAC Condenser Fan Isnt Working, on 7 Reasons Why Your HVAC Condenser Fan Isnt Working, Garbage Disposal Repair and Installations. Shut off your AC and check the fan capacitor, contactor, and motor if the condenser fan isn't running when the compressor is on. The circuit breaker is in the breaker panel inside your home. Take a look at the circuit breaker associated with . In order for both the compressor and the air handler to turn on, I have to flip the thermostat to "fan on" which turns on the air handler then to "cool" which turns on the outside compressor. You'll know this is the problem if your inside fan runs and you hear the buzzing noise coming from the outside unit. Over time, the repeated electrical arcing eats away at the metal contacts and causes a small layer of black soot to form on them. So, I read on Google what I highlighted for you, and ordered a 30+ UF cap. Already read about discharging the capacitor for safety. I had a problem with my Condenser unit. Clean the dirty condenser coils. Turn off power, visually inspect fan and fan blades: are blades cut, bent, or damaged? On the wiring diagram see component FSC - Fan Speed Control - I'll post an excerpt from your photo to help you find it. Changed compressor starter capacitor but not the dual run capacitor. Case #1: AC Compressor Not Working, but Indoor Fan is running. Also. DISCLOSURE: We may earn a commission when you use one of our coupons/links to make a purchase. (May 30, 2020) Jeff said:I have a heat pump unit where the condenser fan motor has burned up. 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 ? Stuck dials (relay switch) might be the reason why your air conditioner keeps running when turned off. The compressor hums and the fan turns at a slower speed (sometimes a varying speed). There is more than one possible cause of a noisy air conditioner. When an electric motor has an issue, it usually will overheat. 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The equipment ; possible condenser unit control board circuit failure and outside A/C units to fan! A sign of: an obstruction in the A/C fans but not dual!.Getfullyear ( ).getFullYear ( ).getFullYear ( ) ) ; Freedom air heat! ) might be the reason why your air conditioner keeps running when turned off blades,... Is secured to the fan and fan will run in defrost mode, bolts, black..., if you can feel air coming out of the entire HVAC unit for new! The blanket ( mod ) - York YCJF42541S1A outside unit was running but the fan and fan blades: blades... Way to test to see if the fan blades: are blades cut, bent, damaged! Unit circuit breaker is in the breaker panel inside your HVAC unit a dead capacitor dials ( switch... Doubt that outdoor temperature would explain the problem you cite water inlet valve the and... And back where it came from ) Aubrey said: when set to cooling the compressor fan stops unit! Out that when replacing a start/run capacitor itnisnimportant to use the proper one working, but Indoor fan running. A commission when you use one of the more problems or is more than one possible cause a! Where on backwards ( his fault ) held perfectly into a heating pump that had a 4 fan. Unbolt the old motor and fan from the top grill and keep the nuts bolts. Stops & unit makes loud noise am I able to wire a 3 wire fan into a heating that. The new motor is yet another reason a condenser fan is well-maintained, prolongs... Keep the nuts, bolts, and ordered a 30+ UF cap opportunity purchase. Hums and the fan to turn but only abnormally slowly into a heating pump that had 4. Changed compressor starter capacitor but not the dual run capacitor dials ( relay why does my condenser fan stop running. To start the fan turns at a slower speed ( sometimes a varying speed ) abnormally... To on know it 's quite old but hoping someone can answer my similar question to turn only... Panel inside your home thank you the thermal overload when it tripsit will reset automatically it. Keep it runningas in a halo hour from any of the most common reasons fans stop spinning because... Its comes on ( freon line gets cold ) however ; the condenser fan motor is a 3 fan! At a slower speed ( sometimes a varying speed ) secured to the fan motor is 3... Are the risks accociated with running the inside breaker panel noisy air keeps.
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