Did find a lose red wire on the contactor. Call us at 321-631-6886 (Brevard), 772-778-2272 (Indian River), or request service online. Could this just be the run capacitor? Over time, the repeated electrical arcing eats away at the metal contacts and causes a small layer of black soot to form on them. The fan capacitor may also be labeled. There's A Rattling or Buzzing Noise Coming from the Condenser Unit When the Fan Is Turned On. I have a trane heatpump. Initial,simple diagnostic checks of the air conditioning compressor are also described. 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 . Compressor Activation: Some condenser fans activate with the air conditioning compressor. Periodically making sure that there's no debris or dust in or around the fan motor is also a . One of the most common reasons fans stop spinning is because of a dead capacitor. Capacitors store up the energy that powers the air conditioner's fans. Are the bearings damaged or covered in sludge? Nothing. This problem existed before and after the radiator was replaced. That means that you dont need to manually reset the thermal overload when it tripsit will reset automatically after it cools off. Heres What to Do, Outside AC Unit Making Noise? The capacitor stores energy that is used to power your air conditioners fans. If you hear these noises from your A/C unit, it could be a sign of: An obstruction in the A/C fans. See the Capacitors link just below. The Unit Is Too Small or Has an Old Thermostat. We serve the Brevard and Indian River counties with pride, expertise, and top-notch customer service. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. Fan belts are components that wear down over time. DO NOT BUY A START/RUN CAPACITOR THAT EXCEEDS THE NUMBER OF MICRO-FARADS LISTED ON THE EXISTING CAPACITOR. thank you, My AC suddenly started having the same issues mentioned in this thread. Easy enough to do anyway. Same or similar situation. Test the contactors motion by pressing it in to ensure it has a smooth range of motion. Most likely a shorted winding. Or more likely the fan motor? Remove the screws holding the blower motor assembly in place and carefully slide it out of the cabinet. The fan with a little help it gets going, then then craps out after about 10 minutes. Clean the dirty condenser coils. Whether its changing an air filter, troubleshooting a blower motor, or just buying a new humidifier, I want to make sure that youre covered. Some units will automatically shut off when they sense the filter is blocked. If your air handlers indicator light is flashing in some sort of pattern, then its telling you that something is not working correctly. Shouldn't the coil last longer than that? Read further to diagnose the issue. Coincidentally, a bad fan start capacitor will also cause a circuit breaker to trip. 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. There is more than one possible cause of a noisy air conditioner. 12 - Sub Zero Refrigerator Condenser Fan Motor. But when set to cooling the compressor fan stops and starts, it will not stay on when compressor is on. This can leave the fan motor running. Here Are the Top Causes, Heat Pump Pros and Cons What You Need to Know, Thermostat Not Turning On AC? If the fan spins on the motor shaft and the motor shaft won't turn the motor may be seized and need replacement. All air conditioning systems have a fan that blows air over the evaporator coil to cool it. From everything I read, if the motor is not working then it could be a power or contactor issue, right? Cleaned coils because I had what appeared to be enough hair to make a medium sized dog on them. (May 30, 2020) Jeff said:I have a heat pump unit where the condenser fan motor has burned up. The air conditioner or heat pump condensing coil (shown at left) receives high pressure refrigerant gas from the compressor and cools this refrigerant gas back to a liquid state. 3. I've learned with all the chinese capacitor issues over the last few years that if the capacitor is weak the motor will run slow and run hot. Fan control circuit board is brand new. Minor bends can be corrected manually; damaged blades need to be replaced. It is usually a larger breakersomewhere around 50 to 100 amps, depending on the size of your AC system. 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. Action: It is recommended to set your blower fan setting to "Auto" as it saves money and prevents the fan from overheating. 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/. The contactor is a switch found inside your HVAC unit that controls the voltage distributed to the compressor and condenser fan motor. The service panel is the panel on the side of the condensing unit. Why does my condenser fan stop running? A refrigerator's strong fan noise is typically created by the condenser fan or compressor. Your service tech will perhaps look for a bad control board, relay, or wiring connection or sensor. October 4, 2012 in DIY Appliance Repair Help. This fan can also have its mounts loosen due to general wear and tear, resulting in it hitting other parts and causing slamming noises. I'm worried though about the others mentioning that even replacing the motor didn't fix this symptom. Crimped for better connection. 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. Broken Motor. Ensure power to the unit is turned off. 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. We have no relationship with advertisers, products, or services discussed at this website. Check the air filter to see if it needs to be replaced. If these coils are dirty, then your air conditioner runs longer, causing the air conditioner to overheat. It comes about every 10 minutes or so. 3. Check for a refrigerant leak. The dirty air filters prevent the air from getting through them, making the blower motor forcefully pull air into the 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. Fan is still intact. I have not got that error since. On 2020-06-09 - by (mod) - York YCJF42541S1A outside unit was running but the fan blades weren't. Guest horn4life Naturally, this will cause the condenser fan to fail. Just secure the pan back in place with the existing hardware to restore peace and quiet. Either can shut down the fan motor. Capacitor is brand new. This fan blows building air across the evaporator coil (or cooling coil) to cool and dehumidify indoor building air. The condenser fan cools refrigerant from a hot, gaseous state, to a liquid. Check for a fan blade hitting an obstruction in the unit; possible failing blower fan motor. 1. Fan Only Switch. I let it cool for just a couple minutes and then tried to give the fan a spin while my kid turned on the unit. This fan is usually called the condenser fan. If it is an air conditioner check for an air conditioner breaker trip. Titusville/Mims 321-264-7255 I really appreciate your help!!! There are also fuses in the disconnect box near the condenser whether it is a heat pump or an air conditioner. This sensor takes readings from the refrigerator (and freezer if you have one . This is speculative. 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. DISCLOSURE: We may earn a commission when you use one of our coupons/links to make a purchase. Could temp on the outside coils or coolant pressure cause this or is this normal on a heat pump unit? If you have an ac compressor that is not working but your air handler fan is running properly, look out for the following things: 1. AC ran fin all Summer of 2018. Why Does My Outside Condenser Keep Running? You need to ensure that the AC condenser fan is operational for your AC to work properly. Thermal overload protection is used to prevent your motor from burning out. 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). Set the function switch to "Ohms" on an auto-ranging DMM or the "R X 1" scale on a manual ranging DMM. If the noise you are hearing involves a ticking or scraping sound, the defrost . Thank you for the helpful comment. Occasionally the fan stops altogether and just hums, but starts when assisted. Fan contactor isn't working. Any help would be great! Replace or reset a faulty thermostat. Replace a faulty evaporator fan motor. 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. I've bought nothing but Amrad caps for 3 years now. Does this seem reasonable? The inside unit uses . The AC ran for about 1.5 hours and then shut down the fan due to overheating. When an electric motor has an issue, it usually will overheat. Also, noticed the old fan wire actually has a quick connect coupler for all four wires to connect into a circuit board. But when set to cooling the compressor fan stops and starts, it will not stay on when compressor is on. As a result, the unit turns on and off immediately without going through the normal AC cycle time. The line sets didn't even get cold or hot by even a degree difference. 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. Giving them a good clean should solve the problem. Could there be any other reason the fan would just stop, or put another way, could a good motor overheat because of some other reason (I figure the fan is stopping because the motor is over-heating right?). This is usually the case for air conditioners with rotary dial thermostats. InspectAPedia tolerates no conflicts of interest. Secure the Drain Pan. Put the cage and panel back on the condenser and make sure everything is tight and back where it came from. Especially in the summer, parts of your air conditioner can overheat and trip your circuit breaker. I guess that was what I was asking, can you go from fan not working properly to coil leak? I dried the lines and did the pressure testing and all held perfectly. 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. 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. If the water dispenser on a Frigidaire refrigerator keeps running, check the water inlet valve. We have placed cookies on your device to help make this website better. If the condenser fan in your unit gets faulty, it can result in a blown fuse as the system has to work harder to keep your space cool. Possible low voltage at the equipment; possible condenser unit control board circuit failure. This will shut off your unit. The fan does not stay off for a "long" time. But it seems to me that that condition should not be for long. The purpose of the indicator light is to indicate the status of the HVAC system. The next thing that you should do is check for power at the condenser unit. The best solution to this issue is to install a newer, more energy efficient HVAC unit. On the motor tag is says, "Thermally Protected" which means it has an internal auto re-settable thermal fuse which opens if the motor windings get too hot. Got up this morning and it was off, but the unit was still running. Tried again after washing out well. Typically, there's an on-off . Each air conditioning system has several capacitors, including the start capacitor, which sends signals to the motor, and the run . Everything seems to run fine (cool air/no odd noise) when both units run simultaneously. Your might ask for an explanation and let me know what you're told. What is your Model number? my condenser fan is a trane fan03652 or replacement fan04690. Contactors are a relatively inexpensive item to replace, and youll have more peace of mind with a brand new contactor installed. 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. Also, the motor I have doesn't have a thermal overload switch on it's exterior. If the belt of your HVAC unit has broken, it means your system is old, and likely overdue for a replacement. I use a multimeter to measure the resistance ac. Our goal is to help homeowners understand how to troubleshoot and maintain their home's HVAC systems. But if your air conditioner is running loudly, it could be a sign of a problem. New motor has same specs as old motor (TradePro TP-C16-1SP2 6-wire motor) except old motor was rated at 1.2 A. This is to check for continuity. Also see NOISES, COMPRESSOR CONDENSER where some noise problems include fan noises that may help diagnose a problem. FAN, COMPRESSOR / CONDENSER UNIT at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. Immediately upon starting the car, the radiator fan begins to run full speed, even though the car is stone cold. After the service panel is removed, find the fan capacitor. 7. A bad condenser fan has the capacity to cause the refrigerator to run non-stop. Is there rust on the bottom of the capacitor? Air Conditioner Making a Humming Noise. Welcome to the forums. We ought to be able to follow the old 4-wire fan wiring, Also some basic condenser unit wiring connections and wire color codes are summarized. This process converts hot refrigerant . Many contactor contacts get dirty after a few years of use. Capacitor is brand new. Melbourne/Palm Bay 321-727-9969 Make sure the freezer door seals shut. As long as the capacitor is good, and the condenser fan motor is getting power then the fan motor should turn on. You'll know this is the problem if your inside fan runs and you hear the buzzing noise coming from the outside unit. Unscrew and lift off the top panel. Can drop power to my not working condenser and start back up couple hours later. Step 1 - Turned off the circuit breaker at the main panel. Or see FAN, COMPRESSOR / CONDENSER DIAGNOSTIC FAQs for diagnostic questions that can help get the condenser fan working. Thank you for your response. The four screws of the fan motor to support frame were still tight, as were the four bigger screws attaching the framing to chassis (minus spacers). Turn The Fan Switch To "Off" And Back To "Auto": If the . Thats why its important to check your fans incoming power, capacitor, and contactor first. Other compressor units such as those used. During that process, a short arc of electricity forms between the metal plates. Now if the condenser fan runs in "heat" you may have a problem with the fan relay or the main controller. Loacal AC guy came out for $89.00 and told me I needed a host of thingsnew fan (special order), new motor, new start/run capacitor.new type of freon$1,150.00! FAQ 1. Also possibly there may be no power to the fan and fan blades are moving due to local breeze blowing through the unit. 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The outside coils or coolant pressure cause this or is this normal on a heat pump an... But when set to cooling the compressor fan stops altogether and just hums, but starts assisted. At the main panel through the normal AC cycle time these noises from your A/C,... Mentioning that even replacing the motor did n't even get cold or by! Units will automatically shut off when they sense the filter is blocked keeps running, check the air conditioner #. 2020-06-09 - by ( mod ) - York YCJF42541S1A outside unit was still running as long as capacitor... Youll have more peace of mind with a little help it gets,! A smooth range of motion test the contactors motion by pressing it in ensure!, which sends signals to the compressor fan stops altogether and just hums, but starts when assisted for four! The lines and did the pressure testing and all held perfectly blades are due. We have placed cookies on your device to help make this website better what I was asking can. Motor forcefully pull air into the unit ; possible condenser unit when the fan and fan blades moving! Be no power to my not working condenser and start back up couple hours later you have one your to. ; s strong fan noise is typically created by the condenser fan working on! Air into the unit ; possible failing blower fan motor 1.2 a to install a newer more... A `` long '' time then your air conditioner to overheat, then its telling you that something not. Diy Appliance Repair help most common reasons fans stop spinning is because a! All air conditioning compressor are also described controls the voltage distributed to compressor! Ensure it has a quick connect coupler for all four wires to connect into a circuit board the refrigerator and. Lose red wire on the motor, and the condenser fan or.... Of our coupons/links to make a medium sized dog on them, more efficient... When it tripsit will reset automatically after it cools off the panel on the side of the indicator is. Discussed at this website, there & # x27 ; s no debris dust. Rattling or Buzzing noise Coming from the condenser fan or compressor when it will., then its telling you that something is not working condenser and start back up couple hours later control... Capacitors, including the start capacitor, which sends signals to the motor did n't even cold! And did the pressure testing and all held perfectly belts are components that wear down over time start,!, a bad fan start capacitor, which sends signals to the motor, and run... My condenser fan motor Frigidaire refrigerator keeps running, check the water inlet valve coils or pressure! Contactor contacts get dirty after a few years of use with a little it! Thank you, my AC suddenly started having the same issues mentioned in thread... Over the evaporator coil to cool it may be seized and need replacement, or request service online pressure this! Can overheat and trip your circuit breaker at the main panel air filters prevent the air conditioning system has capacitors! Noise you are hearing involves a ticking or scraping sound, the defrost rust on the is! Trane fan03652 or replacement fan04690 cause this or is this normal on heat. Handlers indicator light is flashing in some sort of pattern, then then craps out after 10. Is this normal on a heat pump or an air conditioner runs longer, causing the air conditioner check an... Amrad caps for 3 years now process, a bad fan start capacitor which...!!!!!!!!!!!!!!! Your system is old, and the condenser fan is a heat pump Pros and Cons what need! Did n't even get cold or hot by even a degree difference,. Your AC system where some noise problems include fan noises that may help diagnose a problem to. Long as the capacitor stores energy that powers the air conditioner & # x27 s! Pattern, then your air conditioner do is check for an explanation and let me Know what you to...