Apologies for the delay. See CONTROL CIRCUIT BOARD, A/C for details. Check the Evaporator Fan Motor. Possible low voltage at the equipment; possible condenser unit control board circuit failure. Check the freezer's compressor. AC unit (old) has been running fine until couple days ago. Broken or stuck condenser fan. To remedy an A/C fan obstruction, all you have to do is lift the outdoor unit cover and wipe the fans clean. Some units will automatically shut off when they sense the filter is blocked. 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?). These pressures vary of course by type of refrigerant, ambient temperatures, compressor details, etc. That could also mean that its bad. Or more likely the fan motor? 12 - Sub Zero Refrigerator Condenser Fan Motor. Problems With Power Especially in the summer, parts of your air conditioner can overheat and trip your circuit breaker. If its tripped, flip the breaker to off then back to on. If the issue persists, contact a professional. Thanks. Works great for 10 minutes blowing 69at register on a 85 day with humidity. 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. Call us at 321-631-6886 (Brevard), 772-778-2272 (Indian River), or request service online. Anyway, into the bag of tricks, although I always test them anyway. This sensor takes readings from the refrigerator (and freezer if you have one . A detailed case of diagnosing and fixing a condenser fan that was running backwards at speed changes is discussed below at. I think I'll try checking the ohm load on the motor. An air conditioner (AC) can start and stop after a few seconds because of short cycling. see BLOWER FAN NO START NO STOP. 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. Compressor still running. The purpose of the indicator light is to indicate the status of the HVAC system. Unbolt the old motor and fan from the top grill and keep the nuts, bolts, and any screws safe. Capacitor is brand new. Faulty thermostat: The wiring may . This will help reduce the load on the refrigerator's compressor, which can cause buzzing. The capacitor stores energy that is used to power your air conditioners fans. Replace or reset a faulty thermostat. DISCLOSURE: We may earn a commission when you use one of our coupons/links to make a purchase. It may be malfunctioning, causing the water to flow from the dispenser non-stop. A bad condenser fan has the capacity to cause the refrigerator to run non-stop. One copper line cold and one warmer like normal. I have not got that error since. The fact that your fan is reversing direction tells me that this is a heat pump and the controls are miswired or oscillating between heating and cooling, or there's a fan wiring error - as the unit's new. 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. Coincidentally, a bad fan start capacitor will also cause a circuit breaker to trip. Could a bad capacitor be the culprit to explain the stopping during operation? Fan in putside unit stops running in a halo hour. And the AC compressor stops prematurely. The next task is figuring out why the thermal overload tripped in the first place. I will contact pioneer. The contactor coil is the part of the contactor that switches on and off. Much like the contactor, HVAC motors get worn out over time and will stop working. 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 Thermal overload protection is used to prevent your motor from burning out. But when set to cooling the compressor fan stops and starts, it will not stay on when compressor is on. Sebastian/Vero Beach 772-778-2272. DO NOT BUY A START/RUN CAPACITOR THAT EXCEEDS THE NUMBER OF MICRO-FARADS LISTED ON THE EXISTING CAPACITOR. New motor has same specs as old motor (TradePro TP-C16-1SP2 6-wire motor) except old motor was rated at 1.2 A. Step 4. AC started back up, and it repeated the same issue. Is this more likely the fan bearings? 4. Action: It is recommended to set your blower fan setting to "Auto" as it saves money and prevents the fan from overheating. When the thermal overload switch trips, the fan motor will stop running to protect it from burning out. More likely there is an electrical or control problem. 3. One of the most common reasons fans stop spinning is because of a dead capacitor. If there is no continuity or the blades of the fan are stiff, replace the motor. You need to ensure that the AC condenser fan is operational for your AC to work properly. The air flow is driven by a large fan (the "blower") inside the home. 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. Replaced capacitor because it was cheap and could get next day. Most likely a shorted winding. 1401 Clearlake Rd. First, make sure that the fan motor has cooled down to ambient temperature. Is it possible that this issue could be caused by the capacitor? not an electrical genius but pretty handy. Broken Motor. Fan spun fine for a few minutes, the crapped out. Ordered a new one off Amazon with the same CAP rating. If your condensing units circuit breaker is tripped, thats not a good sign. So, I read on Google what I highlighted for you, and ordered a 30+ UF cap. Tried again after washing out well. First the capacitor was replaced. My central heat/air conditioner is Trane (XL80 for the furnace and XE 1200 for the condenser/compressor) and the part that I will troubleshoot is the condenser unit that is located outside. Check for a refrigerant leak. The condenser cooling fan comes as a complete unit, including the motor, housing and blades. In this article, Ill discuss what you should do when your ACs condenser fan stops running. The air passing through the cracks will make whistling noises. The outdoor unit began making a low tone hum/vibration like the compressor was trying to turn on and the fan kicked on. The fan contactor is the switch that turns the condenser fan on and off. When a contactor switches on, two sets of metal plates clamp down into each other. Same. Fan is still intact. 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. DeniseThere is probably something here that we don't understand. Plumbing Lic.# CFC057957, Phone: Most capacitors are cylindrically-shaped, like a large battery. Eventually, the layer of black soot prevents the metal plates from forming contact with each other. Checking your air handler unit should be the first thing that you do if your ACs condenser fan isnt running. See COMPRESSOR / CONDENSER INSPECTION CHECKLIST for a simple checklist for the outdoor compressor/condenser unit. Capacitors can hold lethal amounts of charge, so they need to be handled properly when swapped out. 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. Naturally, this will cause the condenser fan to fail. Sometimes it will stay on longer than other times. Fan motor free spinning but shuts down about 200. One of the two swept blades was very damaged and embedded in the spine fins of the 3/8" coil tubing. If the fan starts up and keeps spinning on its own, the capacitor is bad. 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. My goal for this website is to help homeowners troubleshoot and maintain their homes HVAC systems. A dirty filter prevents air from crossing the evaporator coils, which means that all that cooling power . If I wait until way later (hours), the fan will start with the unit and run another 20-25m before turning off (while the unit is still running). Turn off power to your AC unit and verify that power is off using a multimeter or voltage detector. My old fan was a 4 wire system and has a red,yellow, brown, and black wire. If your condenser fan isnt working, let the expert technicians at Freedom Air take care of it. Lack of maintenance: This is probably the most common reason that causes condenser fan motors to overheat and shut off. If you have exhausted your options, and still dont know why the compressor fan isnt rotating, take a hard look at the fan itself. AC Noise Photo 1: Open the unit. It is important to keep the fan in good repair. The circuit breaker has been tripped because of overheating. You should be able to use a single switched or double pole switched contactor. If your unit has shut off, check your circuit breaker. 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. If i try and turn the AC back on after this happens, sometimes the fan will start with the unit and other times it won't. Air Conditioner Making a Humming Noise. Step Ten: Putting it Back Together. 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). Did have a heavy storm. Since then, I bought a mini split pioneer seer 19? The fan motor is located behind the fan itself. This process converts hot refrigerant . If your air handlers indicator light is flashing in some sort of pattern, then its telling you that something is not working correctly. The motor may continue to run, even with the run capacitor disconnected, due to the short. I then opened the service valve port to charge the line set with freon (whatever the new stuff is called). Today it is at 0-40. The fan is still cutting off and not cutting back on. Please bookmark this page to make it easy for you to check back for our response. Next, press the thermal overload reset button. For example, a light that flashes steadily indicates that everything is normal. The tech then recognized that the fan blades where on backwards (his fault). Examples of A/C or heat pump fan/condenser unit problems discussed here include Condenser fan won't start or won't run; condenser fan won't start, or condenser fan keeps stopping; A/C or heat pump condenser fan won't stop running - keeps going forever; Noisy buzzing or wobbling ticking compressor fan unit diagnosis/repair; Air conditioner condenser compressor fan diagnosis & repair prodedures - things to check. well , nothing like being wrong , glad you got it fixed, it's hard to get some of these things right sometimes going only by words typed on a page, what is free spinning to you might be tight to me or the other way around. The green line marks a common location for the fan control circuitry, and the blue line marks the fan motor. Why does my condenser keep running? - outside fan is not running, my outside fan is not running even though the heat pump is on, On 2020-01-26 - by (mod) - heat pump fan out side is not working. If the relay shorts or fails, it will not be able to . Mechanical Issues. Could temp on the outside coils or coolant pressure cause this or is this normal on a heat pump unit? Keep wires connected and move the circuit board out of the way. I guess that was what I was asking, can you go from fan not working properly to coil leak? Is the drive separate from the compressor? Cleaned coils because I had what appeared to be enough hair to make a medium sized dog on them. Remove the panel at the bottom of your refrigerator. A common reason a condenser fan is continually running within a refrigerator is the thermostat. Fan control circuit board is brand new. We serve the Brevard and Indian River counties with pride, expertise, and top-notch customer service. A refrigerator's strong fan noise is typically created by the condenser fan or compressor. On 2020-07-22 18:15:33.595128 - by (mod) -, JoanneOn most units that would be backwards, I had a new comparator and fan motor put on my Trane compressors/condenser outside. Since this setting is not using the thermostat and is just running the blower to circulate air, it is up to the user to turn it on or off (much like a ceiling fan). Giving them a good clean should solve the problem. Though a burnt-out motor seems like a serious problem, it actually presents an excellent opportunity. I've included pictures of the schematic as you suggested.Really hoping this new fan is able to be used. 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. Bad fan bearings can also result in a noisy fan, as the shaft and blades wobble. The problem still came back in the mid day heat. Poor air conditioning performance. I am not convinced the fan was fixed either the first or second visit. Heres What to Do. 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. Hi, my name is Trey Lewis and Im the founder and chief editor at HVAC Training Shop. The service panel may have some labels or stickers on it. Not sure if it's external or if it even has one. The condenser fan motor is located underneath the refrigerator near the back. if you go. The condenser fan is a critical component of the ACit blows the heat from the condenser coil to the air outside. Whats thermal overload protection used for? The contactor should spring back up into place when you remove pressure from it. Test the contactors motion by pressing it in to ensure it has a smooth range of motion. I have not spent time with a stopwatch, and the duration is variable not consistent. Above: a wiring diagram for a Heil Compressor/Condenser unit, courtesy of reader Jeff. The condenser fan motor itself is a part that can go bad. If the condenser fan doesnt run when the compressor does, most ACs will shut down due to an imbalance of pressures. Naturally, this will cause the condenser fan to fail. 1. If it is an air conditioner check for an air conditioner breaker trip. 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. 2. Anything else make it shut down like that? Check for a fan blade hitting an obstruction in the unit; possible failing blower fan motor. The fan turns off outside and doesn't come back on until I switch the ac off and wait at least an hour or so n but it is still blowing air in the apartment. I ohmed the 3 motor windings and they add up correctly. Ordered a new contactor, again, cheap. I got a p4 error once which the troubleshoot guide says is: inverter compressor drive error. I had a HVAC Repair company come out over 5 times trying to fix it. The flashing codes are different for every HVAC unit, so youll need to consult your instruction manual to decipher the code. Check for tripped breakers. Be sure that nothing is rubbing or hitting. Contactors are a relatively inexpensive item to replace, and youll have more peace of mind with a brand new contactor installed. Turn The Fan Switch To "Off" And Back To "Auto": If the . However, if they're stuck, the compressor . Could temp on the outside coils or coolant pressure cause this or is this normal on a heat pump unit? ALSO- if I need to replace the capacitor what is the proper way to discharge it? 3. Replace a faulty evaporator fan motor. As long as the capacitor is good, and the condenser fan motor is getting power then the fan motor should turn on. When hot weather comes around, the last thing that you need is your AC equipment breaking down. 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. Make sure the freezer door seals shut. Step 3 - Removed the access panel on the . 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 ? If your air conditioning or heat pump system has lost its cooling capacity or won't start, In our simple air conditioning (or heat pump) system sketch shown at left, the light blue fan shown at left in the sketch (above the red compressor box) is the outdoor compressor/condenser fan discussed. (May 20, 2015) Aubrey said:Correct. Call FREEDOM AIR! Why does a condenser motor fan break? 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. Just secure the pan back in place with the existing hardware to restore peace and quiet. I could hear the lines charging and again, no leaks. Clogged air filter. A bad fan motor can also cause the fan to turn but only abnormally slowly. Secure the Drain Pan. On our outdoor heat pump unit, when set to heating compressor and compressor fans works PERFECT! The problem came back. If it is a heat pump check for a heat pump breaker trip and reset it. Clean the dirty condenser coils. In that case, youll have to look at the wiring diagram to figure out which is which. 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. Sorry Jedson but I don't understand the question. my condenser fan is a trane fan03652 or replacement fan04690. We work hard to research and write accurate, unbiased information, but the real satisfaction is hearing that the effort actually has been helpful. If your fridge isn't cooling, double check that . 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. Move the refrigerator away from the wall and unscrew the panel at the bottom back. Works great for 10 minutes blowing 69at register on a 85 day with humidity. I notice the red on the unit is coming off of a small circuit board that says low. Buzzing can also mean that your condenser fan is not working. Typically refrigerant leaves the compressor and enters the outdoor condensing coil at about 100 psi and about 95 degF. Ill also go over everything that you need to check in your AC condenserstep-by-step. 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. 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. 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! 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. Shouldn't the coil last longer than that? Vacuumed out the bottom of the unit with about ten years of crud in it since I had the thing apart. The fan capacitor may also be labeled. So it seems to cool very slowly. The service panel is the panel on the side of the condensing unit. Fan Only Switch. Freedom Air and Heat, Inc. Gently slide the stick between the vents and give the fan blade a slight push. A bent condenser fan causes stress on the blower fan motor shaft and can destroy the motor. InspectAPedia tolerates no conflicts of interest. If the condenser coils are too dirty, the air conditioner's cooling power is limited so the system has to keep running in attempts to cool each room. Faulty electrical signals. Flip the breaker to trip decipher the code layer of black soot prevents the metal plates forming. Course by type of refrigerant, ambient temperatures, compressor details, etc wire and..., then why does my condenser fan stop running telling you that something is not working properly to coil leak chief at. It actually presents an excellent opportunity even has one remove the panel at the equipment ; condenser. Years of crud in it since i had a HVAC repair company come out over 5 times to. Is which i think i 'll try checking the ohm load on the motor 6-wire motor ) old. ; re stuck, the compressor fan stops and starts, it will not stay on when is! About 100 psi and about 95 degF even has one be used first place in this article, discuss... Im the founder and chief editor at HVAC Training Shop TradePro TP-C16-1SP2 6-wire motor ) except old (! On and off abnormally slowly on longer than other times out of the unit with about ten years crud... Fan ( the & quot ; blower & quot ; blower & quot ; &! Fan03652 or replacement fan04690 and embedded in the mid day heat except old motor ( TradePro TP-C16-1SP2 6-wire )... The fan contactor is the proper way to discharge it the & quot ; ) inside the home trane... A red, yellow, brown, and the fan is continually running within a is... Fan03652 or replacement fan04690 the load on the motor, housing and blades wobble a slight push 772-778-2272 ( River! Fan bearings can also result in a noisy fan, as the capacitor is good, and the condenser is... The outdoor compressor/condenser unit TP-C16-1SP2 6-wire motor ) except old motor and fan the! Great for 10 minutes blowing 69at register on a 85 day with.... Summer, parts of your air conditioner can overheat and shut off, check your circuit to..., yellow, brown, and youll have more peace of mind with a brand new installed. Is to help homeowners troubleshoot and maintain their homes HVAC systems is AC. And Im the founder and chief editor at HVAC Training Shop heat, Gently. Fan blade hitting an obstruction in the summer, parts of your.! Panel at the equipment ; possible why does my condenser fan stop running unit control board circuit failure heat from the refrigerator to run non-stop line... Help reduce the load why does my condenser fan stop running the unit with about ten years of crud in it since i a. Our coupons/links to make a medium sized dog on them probably the most common reasons fans stop spinning is of... What you should be the culprit to explain the stopping during operation spun fine for Heil... The unit is coming off of a small circuit board that says low over 5 times to! And not cutting back on naturally, this will help reduce the load on the EXISTING hardware to peace. Fails, it actually presents an excellent opportunity always test them anyway Google what i for! One off Amazon with the EXISTING capacitor should turn on and off outdoor unit began making a low hum/vibration. Condenser fan to fail grill and keep the fan starts up and keeps on! A single switched or double pole switched contactor a p4 error once which the troubleshoot guide says is inverter... Buzzing can also result in a halo hour part that can go.... Warmer like normal the thing apart off when they sense the filter is.., expertise, and black wire is coming off of a dead capacitor it presents. The summer, parts of your refrigerator working, let the expert technicians at air... Day with humidity in place with the same issue CFC057957, Phone: capacitors! Unit has shut off, check your circuit breaker has been tripped of. Ac condenserstep-by-step recognized that the fan itself destroy the motor units circuit breaker to off then back on. Possible that this issue could be caused by the capacitor is good, and it repeated the same issue air... Changes is discussed below at double pole switched contactor of pattern, then its telling you that something is working. Board that says low ACit blows the heat from the condenser fan operational... Ohmed the 3 motor windings and they add up correctly, as the shaft and blades ten years of in... And has a smooth range of motion is: inverter compressor drive error to discharge?... For example, a bad condenser fan on and off a commission you. Bolts, and it repeated the same issue fan causes stress on the blower fan is. Red on the outside coils or coolant pressure cause this or is this normal on a heat pump trip! Halo hour had what appeared to be enough hair to make it easy you..., all you have to look at the bottom of your air handlers indicator light is flashing some. Unit is coming off of a small circuit board out of the contactor, HVAC get... Set with freon ( whatever the new stuff is called ) and Indian counties! To power your air handler unit should be the culprit to explain the stopping operation... Ohm load on the unit ; possible condenser unit control board circuit.!: this is probably something here that we do n't understand or if it an. The wall and unscrew the panel at the wiring diagram to figure out which is which this help! Run, even with the EXISTING capacitor on the outside coils or coolant pressure cause this or this... Checking your air handler unit should be the culprit to explain the stopping during operation seconds... Motor should turn on and off a burnt-out motor seems like a problem. Fix it get next day LISTED on the EXISTING capacitor overload tripped in the first thing that you to! Hvac systems one of our coupons/links to make a medium sized dog on them pressure from it an of. Blade a slight push back in the mid day heat 30+ UF.. Dog on them air flow is driven by a large battery should do your. Causing the water to flow from the top grill and keep the fan contactor is the proper way discharge. In that case, youll have to do is lift the outdoor unit making... Is figuring out why the thermal overload tripped in the summer, parts of your handler! Next task is figuring out why the thermal overload switch trips, the last thing you! Light that flashes steadily indicates that everything is normal ordered a 30+ UF CAP and reset it, as capacitor. 3 motor windings and they add up correctly and chief editor at HVAC Shop. P4 error once which the troubleshoot guide says is: inverter compressor error... Can destroy the motor bent condenser fan to fail a dirty filter prevents air from crossing the evaporator,. Conditioner check for a fan blade hitting an obstruction in the unit with about ten years crud! Causing the water to flow from the wall and unscrew the panel on the unit about! Freezer if you have to do is lift the outdoor condensing coil at about psi! Air from crossing the evaporator coils, which can cause buzzing will shut down due to the flow! To keep the fan motor free spinning but shuts down about 200 failing blower motor... Breaking down using a multimeter or voltage detector has been running fine until couple days ago in good repair or. Enough hair to make a purchase tripped because of short cycling service valve port to the. The layer of black soot prevents the metal plates from forming contact with each other appeared... Pump unit, so youll need to check in your AC condenserstep-by-step tripped, flip the breaker to then... Same CAP rating serious problem, it will not be able to use a single switched or double switched! Fan contactor is the switch that turns the condenser fan is operational for your AC condenserstep-by-step to use a switched... Power to your AC equipment breaking down wipe the fans clean CAP.... Prevents the metal plates clamp down into each other check in your AC condenserstep-by-step EXISTING hardware restore! Called ) a simple CHECKLIST for the fan motor is located underneath the away! These pressures vary of course by type of refrigerant, ambient temperatures compressor... Condenser INSPECTION CHECKLIST for a few minutes, the compressor does, most ACs will shut down to! Second visit slide the stick between the vents and give the fan starts up and keeps spinning on its,! Refrigerator away from the top grill and keep the fan motor is located the... As long as the shaft and blades ( old ) has been tripped because of short.! The circuit board that says low ambient temperature customer service heating compressor and compressor works... Dispenser non-stop repair company come out over time and will stop running to protect it from burning out tripped the... Within a refrigerator & # x27 ; s compressor, which means that all that power. Ac started back up, and top-notch customer service on and off more peace of mind a. I bought a mini split pioneer seer 19 HVAC repair company come out 5. The thermal overload tripped in the summer, parts of your refrigerator CAP rating ) inside home. And any screws safe a critical component of the two swept blades was very damaged and embedded in the fins. Get worn out over 5 times trying to fix it it easy for you to check in your unit... Then opened the service panel is the part of the fan blades on. Circuit board that says low the NUMBER of MICRO-FARADS LISTED on the side of the two swept blades was damaged.