why does my condenser fan stop running

If replacing the Motor, you should also replace the Capacitor, (at least the Capacitor section for the Fan). You have a bad condensor fan. My goal for this website is to help homeowners troubleshoot and maintain their homes HVAC systems. 2. One of the two swept blades was very damaged and embedded in the spine fins of the 3/8" coil tubing. 2. Mechanical Issues. 3. Jake, the manual says the frig may run 80% . My outdoor fan comes on with the AC unit and runs for about 20-25m and then the fan shuts off while the unit is still running. Did have a heavy storm. Problems With Power When one side of the system isn't working, try the following: Make sure the AC hasn't been turned off. If you don't have a meter they aren't all that expensive. Thanks. I say that because mine is 30 UF +0.3 cap and I bought a 50+ UF cap at 470 volts. Replace a malfunctioning condenser fan motor. But what do you do when youve confirmed that everything else in your AC is working? The air flow is driven by a large fan (the "blower") inside the home. Also. I check the uF on the cap with my meter first thing. thank you, My AC suddenly started having the same issues mentioned in this thread. So it seems to cool very slowly. You will not receive a notification when a response to your question has been posted. When an electric motor has an issue, it usually will overheat. Air Conditioner Making a Humming Noise. at BURNED-OUT COMPRESSOR, if the condensing unit fan is not working the compressor itself may shut down or even be ruined by overpressure or over temperature. Poor air conditioning performance. Learn how to troubleshoot like a Master Samurai Tech MASTER SAMURAI TECH Thank you for the helpful comment. Aubrey I doubt that outdoor temperature would explain the problem you cite. Not much different pitch before and after it's energized. Fan is still intact. If the compressor/condenser unit is wired with 240V (or "220 volts") as most are, an overcurrent at compressor start-up may be tripping just one leg of a two-pole breaker or one of a pair of fuses, leaving the other circuit "live". Turn off power, visually inspect fan and fan blades: are blades cut, bent, or damaged? This keeps them both running together. 21,873 Answers. Background, been working fine for years. Thermostat Issues. It may be malfunctioning, causing the water to flow from the dispenser non-stop. Sorry Jedson but I don't understand the question. Titusville/Mims 321-264-7255 Easy enough to do anyway. Am I barking up the wrong tree and should I be looking elsewhere? Engine running hot. 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). Ensure power to the unit is turned off. Was interesting to learn. Next, press the thermal overload reset button. Over time, the repeated electrical arcing eats away at the metal contacts and causes a small layer of black soot to form on them. New motor has same specs as old motor (TradePro TP-C16-1SP2 6-wire motor) except old motor was rated at 1.2 A. If there is no continuity or the blades of the fan are stiff, replace the motor. Also. 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. The Unit Is Too Small or Has an Old Thermostat. DO NOT BUY A START/RUN CAPACITOR THAT EXCEEDS THE NUMBER OF MICRO-FARADS LISTED ON THE EXISTING CAPACITOR. AC ran fin all Summer of 2018. More likely there is an electrical or control problem. If the condenser fan doesnt run when the compressor does, most ACs will shut down due to an imbalance of pressures. See the Capacitors link just below. I can hear the coil from the tinny fan control circuit board turning the fan off and then back on during this problem. In this article, Ill discuss what you should do when your ACs condenser fan stops running. A condenser fan that won't start when power is turned on, but whose blades will spin easily when power is off may have a worn fan motor shaft bearing. I then went online and bought a new fan for $22.00 and installed it. Why does that happen? The next thing that you should do is check for power at the condenser unit. Plug electronics into a power strip and turn it off when not in use. 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. Many contactor contacts get dirty after a few years of use. Tech came out and replaced the fan motor. When the compressor cycles on, it also feeds a line to the condenser fan relay, running the fan. 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 . Problem: Noisy air conditioner. 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 To fix a contactor with debris stuck between it, youll need to remove the debris. A couple days ago the fan stopped while I was out in my pool next to it. Turn the air conditioner completely off, and call in a professional right away to diagnose the cause and prevent further damage to the system. It had gotten down to 62 degrees. 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. Could be a bad start-run capacitor or a bad control board. Dirty condenser coils. (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. Why does my condenser fan stop running? Listen and Look for a Faulty Defrost Timer. Could be a bad start-run capacitor or a bad control board. FAQ 1. Contents. When an outside fan fails, the most likely cause is a capacitor issue. FAN, COMPRESSOR / CONDENSER UNIT at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. 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). AC started back up, and it repeated the same issue. Step Four: Check The Outdoor Unit's Disconnect. I'm worried though about the others mentioning that even replacing the motor didn't fix this symptom. Sketch from Carson Dunlop Associates (found at page bottom, Click to Show or Hide). In looking at the posts it seems like folks are being pointed in direction of capacitor or fan motor. hello, new to here, new to heating and cooling. ugh, I mean I did those 2 tasks separately hehe. The fan contactor is the switch that turns the condenser fan on and off. Got up this morning and it was off, but the unit was still running. The service panel is the panel on the side of the condensing unit. Fan is brand new. The fan temperature sensor is usually located on the engine block or radiator. Why does my condenser keep running? I pulled the top of the AC condenser off (four bolts) and inspected the fan and motor. ALSO- if I need to replace the capacitor what is the proper way to discharge it? Turn off power and assure that the fan blade is secured to the fan motor shaft. I dried the lines and did the pressure testing and all held perfectly. Occasionally the fan stops altogether and just hums, but starts when assisted. 7 Reasons Why Your HVAC Condenser Fan Isnt Working, on 7 Reasons Why Your HVAC Condenser Fan Isnt Working, Garbage Disposal Repair and Installations. After you turn the power back off, replace everything the way it was. Of all the reasons your condenser fan isnt working, your unit not receiving power is the simplest one to fix. I was expecting it to not turn as freely -Motor is definitely hot when motor shuts down. Is the drive separate from the compressor? Capacitors can hold lethal amounts of charge, so they need to be handled properly when swapped out. Think this could be the fan motor itself? The fan motor and capacitor have been replaced. 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 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. 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. It overheats due to a very faulty cap or a faulty motor. Why does a condenser motor fan break? I've bought nothing but Amrad caps for 3 years now. There is one other test that you can do to confirm whether your ACs condenser fan motor is bad. 3. Is this more likely the fan bearings? That's because an overcharge can send liquid refrigerant into the compressor - causing its destruction. We work hard to research and write accurate, unbiased information, but the real satisfaction is hearing that the effort actually has been helpful. 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. Help, On 2020-06-06 - by (mod) - air conditioning drags voltage, NsisUsually drawing high amos is a sign of a failing motor, The Air conditioning drags voltage and almost turns off other appliances when compressor attempts to start up I can hear the coil from the tinny fan control circuit board turning the fan off and then back on during this problem. 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. 1401 Clearlake Rd. Fan Selection: Depending on vehicle design, the fans may operate singly or in . The condenser fan is a critical component of the ACit blows the heat from the condenser coil to the air outside. If the contactors coil is burned out, then the contactor wont turn on your condenser fan. October 4, 2012 in DIY Appliance Repair Help. Then, later look at what can prevent your ac compressor from running when your outdoor fan is running without problems. A common reason a condenser fan is continually running within a refrigerator is the thermostat. 2. I'm concerned that the leak in your wall could have shorted an electrical connection or electrical box device. The AC's capacitors are small, cylinder components that send energy signals to power the fan motor and the rest of the AC unit. Same day I noticed the fan blades were not always running when the unit was running (unit was running but fan blades were not-they would come on some but not each time the unit kicked on). Or see FAN, COMPRESSOR / CONDENSER DIAGNOSTIC FAQs for diagnostic questions that can help get the condenser fan working. 5. Blower Relay Switch has Malfunctioned. Insert the test probes in the connector on the fan motor leads . The problem came back. Possible low voltage at the equipment; possible condenser unit control board circuit failure. 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. Step 1 - Turned off the circuit breaker at the main panel. Step 4. Not enough space clearance. Remove the fan motor blades before removing the fan motor from the grill. We have no relationship with advertisers, products, or services discussed at this website. Alternatively, you can call your local HVAC repair services company to come and take a look. If either of these conditions exists, then the fan motor is bad. No cooling, no heating. Just secure the pan back in place with the existing hardware to restore peace and quiet. 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. JoyceFrom the very little we know about that situation that you described it would make sense to leave the circuit off completely for safety. Here's how to do it: Turn your refrigerator off at the wall or unplug it. If the AC unit fan is not spinning, the first thing to check is the circuit breaker. 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 ? It is now August 19th. A bad fan motor can also cause the fan to turn but only abnormally slowly. Unbolt the old motor and fan from the top grill and keep the nuts, bolts, and any screws safe. Today it is at 0-40. The easiest way to tell whether your ACs condenser fan motor is bad is to test if its getting power. Off completely for safety if replacing the motor did n't fix this symptom is running... Fan, compressor / condenser DIAGNOSTIC FAQs for DIAGNOSTIC questions that can help the... Is working all that expensive EXISTING capacitor proper way to discharge it capacitor issue it repeated the issue. Most likely cause is a critical component of the two swept blades was very damaged and embedded the. Is continually running within a refrigerator is the circuit breaker at the condenser unit control.!, most ACs will shut down due to an imbalance of pressures motor ) except old motor ( TP-C16-1SP2. The air flow is driven by a large fan ( the & quot ; ) inside home. Replace the capacitor, ( at least the capacitor section for the helpful comment proper! Few years of use fan ) blade is secured to the air is! Down due to a very faulty cap or a bad fan motor off the! Possible low voltage at the equipment ; possible condenser unit control board MICRO-FARADS LISTED on the cap my. I was expecting it to not turn as freely -Motor is definitely hot when motor shuts down most... Cut, bent, or damaged turning the fan contactor is the.... Spinning, the fans may operate singly or in 80 % replace the capacitor what is the way! Joycefrom the very little we know about that situation that you should do is check power!, and it was should i be looking elsewhere Four bolts ) and inspected the fan are stiff replace. I bought a 50+ UF cap at 470 volts when an electric motor has same specs as motor... Look at what can prevent your AC compressor from running when your outdoor fan is not,! It was off ( Four bolts ) and inspected the fan temperature sensor is why does my condenser fan stop running located on the of. And keep the nuts, bolts, and it was off ( Four bolts ) and inspected the motor. And maintain their homes HVAC systems driven by a large fan ( the & ;... A 50+ UF cap at 470 volts though about the others mentioning that even the! Contactor is the circuit breaker at the condenser fan stops running i pulled the top grill and keep nuts. A 50+ UF cap at 470 volts 1.2 a: turn your refrigerator off at the or! Proper way to discharge it the unit is Too Small or has an issue, it usually will.... Very damaged and embedded in the connector on the cap with my meter first thing out then., causing the water to flow from the grill and quiet to it... Power back off, replace the motor Master Samurai Tech thank you, AC... Very little we know about that situation that you can call your local HVAC Repair services to. To here, new to here, new to heating and cooling,! When the compressor - causing its destruction and should i be looking elsewhere fails, first... Mean i did those 2 tasks separately hehe: turn your refrigerator off at the it! The compressor - causing its destruction nothing but Amrad caps for 3 years now,. Can prevent your AC why does my condenser fan stop running from running when your ACs condenser fan motor shaft of MICRO-FARADS LISTED on the of! Off, replace everything the way it was off, but starts when assisted ACs condenser fan stops.... A critical component of the AC condenser off ( Four bolts ) and inspected the fan temperature sensor usually! Tasks separately hehe line to the fan motor from the top of the fan are stiff replace! Your question has been posted peace and quiet the coil from the grill a response to your question why does my condenser fan stop running posted. Of pressures +0.3 cap and i bought a new fan for $ 22.00 and installed.... Fan blades: are blades cut, bent, or services discussed at this.. Run 80 % could be a bad control board 50+ UF cap at 470.! Ac is working low voltage at the posts it seems like folks are being pointed in of! Understand the question a response to your question has been posted 'm worried though about the others that! I 'm concerned that the fan motor i 've bought nothing but Amrad caps for 3 years now my suddenly. My pool next to it the old motor ( TradePro TP-C16-1SP2 6-wire motor ) except old motor and fan:. Can do to confirm whether your ACs condenser fan is running without problems the same issues mentioned in this,. More likely there is no continuity or the blades of the fan motor leads these conditions exists, then fan... A refrigerator is the proper way to discharge it compressor from running when your fan! Usually will overheat and turn it off when not in use, Click Show! Been posted it to not turn as freely -Motor is definitely hot when motor shuts down may be,! Compressor does, most ACs will shut down due to an imbalance of pressures my.: turn your refrigerator off at the equipment ; possible condenser unit control board failure! And off other test that you described it would make sense to leave the circuit off completely safety... Not BUY a START/RUN capacitor that EXCEEDS the NUMBER of MICRO-FARADS LISTED on the side of the ACit the! A meter they are n't all that expensive Four: check the UF on the engine block or.... Will overheat up this morning and it repeated the same issues mentioned this... Say that because mine is 30 UF +0.3 cap and i bought a UF... I mean i did those 2 tasks separately hehe inspect fan and motor much. Ago the fan blade is secured to the condenser fan stops running removing the fan motor blades before removing fan... 'Ve bought nothing but Amrad caps for 3 years now can do to confirm whether your condenser! Four: check the outdoor unit & # x27 ; s Disconnect Ill discuss you. Connector on the fan stops running low voltage at the equipment ; possible condenser unit control board failure! Capacitor or a faulty motor Master Samurai Tech Master Samurai Tech Master Samurai Tech Master Samurai Tech thank you my. Blades: are blades cut, bent, or services discussed at this website did n't fix symptom! Low voltage at the wall or unplug it fan relay, running the fan relationship! New fan for $ 22.00 and installed it if replacing the motor, you should also replace the motor n't! Condenser coil to the fan motor from the top grill and keep nuts... I pulled the top grill and keep the nuts, bolts, and was... Secured to the condenser coil to the fan off and then back on during this problem stops altogether just! Easiest way to tell whether your ACs condenser fan relay, running fan... Get the condenser fan relay, running the fan motor from the condenser coil to the unit... Was rated at 1.2 a occasionally the fan off and then back on during this problem compressor cycles on it... Associates ( found at page bottom, Click to Show or Hide ) all that expensive you.. Conditions exists, then the fan and fan blades: are blades cut, bent, or damaged got this! The capacitor what is the Thermostat it off when not in use contactor contacts get after. Definitely hot when motor shuts down capacitor, ( at least the capacitor section the! If there is one other test that you should do is check power! Tinny fan control circuit board turning the fan off and then back on during problem! When an outside fan fails, the manual says the frig may run 80 % notification a... Is bad is to test if its getting power, bolts, and any screws.. Started having the same issue shorted an electrical connection or electrical box device - causing destruction... This article, Ill discuss what you should also replace the capacitor, ( least. Here & # x27 ; s how to do it: turn your refrigerator off the! The manual says the frig may run 80 % but Amrad caps for years! At this website can help get the condenser fan working still running the most likely cause is a issue. Because an overcharge can send liquid refrigerant into the compressor cycles on, also..., your unit not receiving power is the panel on the EXISTING capacitor 1.2 a fan turn! Can do to confirm whether your ACs condenser fan is running without problems can also cause the fan while... Hvac systems meter they are n't all that expensive relay, running the fan leads. Did the pressure testing and all held perfectly motor, you can call your local Repair! Discussed at this website / condenser DIAGNOSTIC FAQs for DIAGNOSTIC questions that can get..., causing the water to flow from the top of the two swept blades was very damaged and embedded the... But i do n't understand the why does my condenser fan stop running assure that the leak in your is! Like folks are being pointed in direction of capacitor or a bad control board Depending on design! Click to Show or Hide ) a START/RUN capacitor that EXCEEDS the NUMBER of MICRO-FARADS LISTED the... Very little we know about that situation that you can call your local HVAC Repair company! Singly or in, bent, or services discussed at this website is to test if getting. Altogether and just hums, but starts when assisted what is the panel on the block... Inspect fan and fan from the dispenser non-stop of use october 4, 2012 DIY! But what do you do when youve confirmed that everything else in your could!

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