The fan motor and capacitor have been replaced. 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. If your fan belt breaks, then the condenser fan wont spinso the belt needs to be replaced. It may be the AC condensers compressor or fan. Here's how to do it: Turn your refrigerator off at the wall or unplug it. If the condenser fan doesnt run when the compressor does, most ACs will shut down due to an imbalance of pressures. Try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly. This will cut power to the condenser fan. Ordered a new contactor, again, cheap. Immediately upon starting the car, the radiator fan begins to run full speed, even though the car is stone cold. Listen and Look for a Faulty Defrost Timer. Sorry Jedson but I don't understand the question. If your condenser fan isnt working, let the expert technicians at Freedom Air take care of it. The fan stops on the condenser. 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. If the contactors coil is burned out, then the contactor wont turn on your condenser fan. 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. The best way is to clean them using contact cleaner. On our outdoor heat pump unit, when set to heating compressor and compressor fans works PERFECT! Capacitors store up the energy that powers the air conditioner's fans. See CONTROL CIRCUIT BOARD, A/C for details. Not enough space clearance. 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 . so everything will be fine. Change the setting to "auto" to ensure it is only running when your air conditioning unit runs. The brand of the Unit is Heil with a GE motor. As long as the capacitor is good, and the condenser fan motor is getting power then the fan motor should turn on. Confirm that power is off by using a voltage detector. The indoor blower continues to run but no cooling refrigerant is being presented in the indoor cooling coil. A refrigerator's strong fan noise is typically created by the condenser fan or compressor. However, if they're stuck, the compressor . The screws were still secure, but this could have initiated a small wobble. Clean the dirty condenser coils. Action: It is recommended to set your blower fan setting to "Auto" as it saves money and prevents the fan from overheating. I can hear the coil from the tinny fan control circuit board turning the fan off and then back on during this problem. If you don't have a meter they aren't all that expensive. Dodge Master. A stuck contactor could be the reason why you outside ac fan won't turn off. Is this more likely the fan bearings? Mechanical Issues. The fan will NOT start on it's own but you can see it "tries" to move in the right direction. 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. The air passing through the cracks will make whistling noises. Easy enough to do anyway. The condenser fan motor itself is a part that can go bad. Is there rust on the bottom of the capacitor? Ok, I am not sure about the model number of my unit either. Defrost or break down any ice buildup. For example, a light that flashes steadily indicates that everything is normal. Is it possible that this issue could be caused by the capacitor? Is the fan blade assembly secured to the fan motor shaft? A malfunctioning thermostat. I am thinking of asking for a second opinion just to be sure before I sink money into a new coil. After the power is off, use a screwdriver or small tool to remove the debris from the contactor. Whether its changing an air filter, troubleshooting a blower motor, or just buying a new humidifier, I want to make sure that youre covered. Am I barking up the wrong tree and should I be looking elsewhere? Thats a surefire way of knowing that a capacitor is bad. If youre comfortable working around electricity, then check out the video below from Word of Advice TV. This will shut off your unit. This will help reduce the load on the refrigerator's compressor, which can cause buzzing. 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. Call FREEDOM AIR! Not grinding or hard to turn, but maybe not 100 percent? I recommend just replacing the entire contactor if its contacts are dirty and worn down. Periodically making sure that there's no debris or dust in or around the fan motor is also a . Most of the time they both end up turning on and off together when the temperature is reached but sometimes the . It had gotten down to 62 degrees. But when it turns off it will come back on 1-3 min later (best guess). FAQ 1. 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. Broken or stuck condenser fan. 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. Fan stopped after an hour, and it's really hot to the touch. When the capacitor fails, the condenser fan will no longer rotate. Why does my condenser keep running? 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. 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. The problem came back. Anything else you can think of to ask about this situation? Replace a malfunctioning condenser fan motor. If you see that the fan starts spinning, this means the problem is probably with the start capacitor. 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). 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 You may need a new fan assembly or a few bolts tightened. The noise can be reduced by removing any dust and debris that may have gathered between the fan blades. 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. Contact us if you have suggestions. Burnt Out Motor. A dirty filter prevents air from crossing the evaporator coils, which means that all that cooling power . 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 ta, The capacitor is fine the motor is bad 100 %, 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 . If your circuit breaker trips again, then there is something wrong with your condenser unit. This is to check for continuity. You'll know this is the problem if your inside fan runs and you hear the buzzing noise coming from the outside unit. In that case, youll have to look at the wiring diagram to figure out which is which. I think it is a 13k but unit. The service panel may have some labels or stickers on it. 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. Our page top photo of a compressor/condenser fan unit shows that a stick had fallen into the fan, blocking the blades and preventing the fan from starting. The fan contactor is the switch that turns the condenser fan on and off. it depends. The condenser cooling fan comes as a complete unit, including the motor, housing and blades. 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. Sebastian/Vero Beach 772-778-2272. This keeps them both running together. Also. hello, new to here, new to heating and cooling. If you hear a loud rattling noise, it could be a minor issue like loose stones or debris that's caught in the condensing unit. 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. Jim, thanks so much for the very nice feedback - that's just super. I don't mind paying for both the capacitor and the fan motor, but of course do not want to spend more than necessary. Condenser coils are refrigerant-filled tubes running through your air conditioner's outside unit. That being said, its usually okay to reset the breaker and see if it trips again. Check the Evaporator Fan Motor. But it seems to me that that condition should not be for long. Clogged air filter. Typically, there's an on-off . There also may be a reset button on the outside AC unit that can be pushed. The unit is 8 years old. Titusville/Mims 321-264-7255 This blockage will strain your compressor fan. If your unit has shut off, check your circuit breaker. 21,873 Answers. First, make sure that the fan motor has cooled down to ambient temperature. Capacitor is brand new. Turned out the fan motor has its own capacitor built in as well as a heat sensor. If the refrigerator runs constantly there might be something caught in the condenser fan motor blade, or the condenser fan motor might be defective. Step Four: Check The Outdoor Unit's Disconnect. When an electric motor has an issue, it usually will overheat. Unfortunately, most contactors today arent made to be easily cleaned. Youll have to fully take apart the contactorwhich involves removing many parts. Or should I just replace fan and see what happens? If so, call in a professional to repair it. Whats thermal overload protection used for? When your system's air filter is full of . If the fan starts up and keeps spinning on its own, the capacitor is bad. Once you find the fan capacitor, take a look at it. On 2020-03-02 by Anonymous Many contactor contacts get dirty after a few years of use. Got lucky and looks like the cheapie fix was the right fix. 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. My new cap and motor arrive Wednesday, so I'll change them both out. The dirty air filters prevent the air from getting through them, making the blower motor forcefully pull air into the unit. The new motor is a 3 wire with yellow, brown, and black. The fan bushing dislodged from the motor shaft and it stopped spining (of course it would). No cooling, no heating. Note: appearance of your Comment below may be delayed: if your comment contains an image, photograph, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. Hello, I have found this thread useful - I know it's quite old but hoping someone can answer my similar question! If your indicator light shows that everything is functioning normally, then read further. Replaced capacitor because it was cheap and could get next day. Either can shut down the fan motor. Compressor still running. Fan Selection: Depending on vehicle design, the fans may operate singly or in . I had a problem with my Condenser unit. Step Ten: Putting it Back Together. Some AC condensing unit fan motors have built-in thermal overload protection. 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. Faulty circuit board. Everything seems to run fine (cool air/no odd noise) when both units run simultaneously. You will see the valve on the right side. Occasionally the fan stops altogether and just hums, but starts when assisted. 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. Turn off power to your AC unit and verify that power is off using a multimeter or voltage detector. DISCLOSURE: We may earn a commission when you use one of our coupons/links to make a purchase. Turn the air conditioner completely off, and call in a professional right away to diagnose the cause and prevent further damage to the system. My heat pump has a similar issue only in reverse. Today it is at 0-40. PDo let me know what your service repair technician says. Step 1 - Turned off the circuit breaker at the main panel. . Turn the power back on and make sure everything works. I don't want to spend the money if it is a capacitor. Fan control circuit board is brand new. The fan temperature sensor is usually located on the engine block or radiator. Sometimes it will stay on longer than other times. 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. Welcome to the forums. I was unsure if perhaps having the fan unit so hot might have been part of the problem and causing the fan to shut down. Check for loose wires or loose components on the fan unit control circuit board. This process converts hot refrigerant . Your condensing unit may have two capacitors: one for the fan and one for the compressor. Thought that AC wasn't cooling 100%, and low and behold went outside and condenser fan was not turning and fan was hot as well as entire unit. DeniseThere is probably something here that we don't understand. If the compressor/condenser unit has power and the compressor motor appears to be able to start and run normally but the outdoor compressor/condenser fan itself won't turn on, the fan motor may be overheated or damaged -. Next, press the thermal overload reset button. When the compressor cycles on, it also feeds a line to the condenser fan relay, running the fan. 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. Like with any mechanism, these fans can wear out, break, or become damaged. The outside condenser of a central air conditioning unit can be very loud. My goal for this website is to help homeowners troubleshoot and maintain their homes HVAC systems. 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. But when set to cooling the compressor fan stops and starts, it will not stay on when compressor is on. Reader Question: (May 18, 2015) Aubrey said: when set to cooling the compressor fan stops and starts. 5. Complete the wiring, taking care the connection is correct. That means that you dont need to manually reset the thermal overload when it tripsit will reset automatically after it cools off. Also, noticed the old fan wire actually has a quick connect coupler for all four wires to connect into a circuit board. 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 contactor should spring back up into place when you remove pressure from it. 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