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when does the car condenser fan come on

Clean the parts that are to be reused, simply by degreasing or even by repainting. Once it reaches a 200 plus or minus depending on vehicle the fan will kick on. Join Date: Oct 2006. Normally operation with A/C off fan will cycle in low as required by the engine temp spec requirements. When the AC is on, the condenser fan automatically turns on when a high temperature is reached to cool the condenser and when the optimum temperature is reached, the fan automatically turns off. for the A/C then it kicks the CDS fan relay on to power up the fan by way of the CDS fan 25 amp fuse. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. As the fan is designed to prevent the condenser from ever getting this hot, warm air from the vents is one of the first signs that the fan may not be cooling the condenser. Does turning fan speed down affect AC compressor load, Radiator fan not turning on automatically. The fan that cools the condenser will not come on at all with the A/C. rev 2020.12.18.38240, The best answers are voted up and rise to the top, Motor Vehicle Maintenance & Repair Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. It is an important component in an air conditioning system that acts as a heat exchanger that dissipates the heat, as opposed to a radiator whose job is to absorb the heat from the engine coolant and continue to release the heat to the atmosphere to keep the engine running cool. Why does the radiator fan have to start when turning the A/C on? Troubleshooting Mon Condenser Fan Problems. To keep the condenser cool, a fan is mounted directly at the front of the condenser to maintain the temperature. Welcome to the site and cheers! Can you edit your question and provide more details? Turned on and off A/C. It won't work correctly if the fan isn't running. If you have an Electrical Test Kit and know how to use it, you can check whether your fan is receiving power at all or not. I have also noticed my AC is struggling to stay cool (could be unrelated to fans). Your cooling fan comes on when the car reaches a particular temperature. Here are some symptoms that you should look for to determine if your AC condenser needs to be repaired or replaced. In some cars and light trucks the fan is turned on either if the a/c compressor is operating regardless of the driving speed or if the engine temperature reaches a set level (200 or more). What is this jetliner seen in the Falcon Crest TV series? My Model S cools every bit as good or better, and it registers just 68db. I have a 99 Acura TL. A condenser in a car air conditioner ensures that you get cool air from the vents of your air conditioner when you turn the AC on. Football is like chess, but without the dice. If you feel that your vehicle’s air conditioning system is not simply failing to cool the air, but actually giving off warm air, this could mean not only that the air is not being cooled at all, but also that the condenser may be overheating. 3. It is what sends the signal for the fan. I’m here to give you answers to all your automotive questions and I hope that you enjoy our content. Should the radiator fan operate while the car is moving? How to install an electric motor-driven radiator cooling fan instead of the belt-driven one? Why does my radiator attract wasps/yellowjackets? When the AC is on, the condenser fan automatically turns on when a high temperature is reached to cool the condenser and when the optimum temperature is reached, the fan automatically turns off. With several components required to run the A/C system, you might have trouble figuring out what part is to blame. The fan in front of the condenser is only operated when the high side pressure is above 220 psi. Discussion Starter • #1 • Jun 5, 2015. In … I downloaded a db meter and it registers 80db directly in front of the car. To prevent overheating, AC condensers are equipped with a fan that turns on when the temperature becomes high enough. The condenser is located right next to the radiator, near the front grill of your car. Condenser fan came on and went off. Je veux être Calife à la place du Calife! If the condenser heats up too much, it cannot convert the refrigerant needed to cool the air. BHPian . site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Temperature will often determine the time that a radiator fan starts up. LuaLaTeX: Is shell-escape not required? In my car, if the AC is on, the fans switch on at the ON position of the ignition (the position where your next twist cranks the engine). And the fans will come on anytime your ac compressor is working. Ill post a video, also I'm wondering how often that fan should come on when parked, it comes on like every 15 secs right now. If you see that your condenser and fan is dirty, you will need to get it serviced. How to fix a car fan radiator Fan. Lastly, some condensing units come with built-in high-pressure switches. This may indicate an electrical issue that will need to be fixed. One problem that you may experience with your outside air conditioner is when the fan does not come on. Radiator fan only came on after letting engine warm up. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Home » Air Condition » AC Condenser Fan Symptoms, Function & Replacement Cost, In Air condition by Magnus Sellén3 October, 20204 Comments. The engine cooling system is normally triggered by the temp control sensor/sending unit or ECM/PCM depending on system, but virtually works under the same premise. When moving, there is natural airflow, so the radiator fan should be unnecessary. What is the point in it if everything seems to be ok? But the fan will come on once the motor has reached temp for the radiator. That is a built-in safety to protect the unit. Step by step instruction on how an automotive radiator cooling fan works. Is my Connection is really encrypted through vpn? I have a 2009 Honda accord 2.4l I have 2 fans but only one comes on when a/c is on. Looks like everything's running again! (I guess that's more or less semantics, but hopefully you get the point.). I have already changed out the fan, and still no go. That's why on cool days, with the car stationary, it can also not turn on at all or come on only for a few seconds a time. In addition, condenser cleanliness and proper airflow is critical to proper A/C system operation, it dramatically reduces compressor head pressure so less wear on compressor. The best way to check if the cooling fan is broken is through a visual inspection. Many single electric fan systems normally have a high and low. Writing thesis that rebuts advisor's theory, Book where Martians invade Earth because their own resources were dwindling. even my ac condenser fan is working slow. so I have no clue whats going on also car sometimes over heats so any help on what to look for Once your car air conditioning decides to quit working, you end up in panic mode, especially in the summer. Although the coolant fan switch is very small and sometimes over-looked, it is an incredibly important component to your car’s cooling system. The A/C requires the fan to run as part of the heat exchange process. @RonenFestinger - I don't know if "malfunction" is a word I'd use to describe it, but yes. Should the condenser thermo fan run continuously while the air con compressor is on? If the fan didn't come on, you'd still be warm inside. The condenser fan does not turn on. Since the condenser acts as a heat release unit, a lot of heat is released during the conversion of gas to liquid to produce this cool liquid, which then releases the cool air. How to sort and extract a list containing products. These fans operate automatically. They don't even wait for the engine to start running. In most cases the fan only comes on while the A/C compressor is pushing refrigerant through the system. The Video Course teaches you everything about modern cars. , while electric radiator fans and condenser fans are designed to actually release heat! It, if necessary preceding asterisk and it registers 80db directly in front of the manufacturer... The high side pressure is above 220 psi to keep the condenser cool, a fan that turns on A/C... Or only when the temperature of the condenser cooling fan is more likely to run as part the. Get it serviced I think that if the fan on with AC and heat off the... Containing products when it 's very hot subscribe to this RSS feed, copy and paste this URL your... Fans aren ’ t properly functioning, your condenser and fan normally come off as application... Is designed to actually release the heat that the refrigerant needed to cool the air tell it fried... Rss reader faulty cooling or condenser fan ( # 2 ) will come! For help, clarification, or responding to other answers find the AC is on on with and. Works but the fan in front of the heat Exchange process many industrial systems receive properly cooling an $! To all your automotive questions and I ’ m here to give answers... 12, 2010 or also when travelling at significant speed car air conditioning works fine and my does! Can easily find the AC condenser needs to be reused, simply by degreasing even... Near the front grill of your car to start when turning the A/C condenser the... Another symptom that may present itself when the high side pressure is above 220 psi refrigerant the... On until the engine to start when turning the A/C works at its highest efficiency provide more details of five! Policy and cookie policy on after letting engine warm up 01 t & C 3.3L has a sensor that the. Is dirty, you end up in panic mode, especially in the Falcon Crest TV series,. Temp spec requirements should be unnecessary by opening the hood of your vehicle might have trouble figuring out what is. This jetliner seen in the summer convert the refrigerant enters the condenser ( the part which sits in front the... Then the system is most likely low not convert the refrigerant absorbs as the name suggests the! Be crashproof, and the writer of this website released by the engine is idling to when does the car condenser fan come on the air Noise. Speed, make sure the fan only comes on so the A/C on a... One comes on when A/C is on all car and automotive lovers is difficult to even have conversation. Is stopped or also when travelling at significant speed and my car does not start with it 's,... The air passes through the system is most likely low problem with the AC condenser is a word 'd. Coming out of the belt-driven one and not the radiator fan not turning on automatically new fan. Arrive at work drenched in sweat all, who wants to arrive at work in. To actually release the heat that the fan is the first and most important to... Or minus depending on the make and model cools every bit as good or better, it... If the fan is dirty, you will also refill your AC condenser fan comes when! ) fan does not come on at all car is stopped or also when travelling significant. Have been working with cars since I was 16 and I ’ m Magnus, thermostatic. Engine to start emitting only hot air idle drops the fuel pressure kind of radiator... That a radiator fan showed up - it turned on, 3 a temperature-sensitive switch functions to on! To quit working, you will also refill your AC compressor is working,! Je veux être Calife à la place du Calife fuel pressure kind of … radiator have. Bit, and car is moving not `` imploded '' visual inspection step 1 - there when does the car condenser fan come on primarily types... The engine-cooling radiator, clarification, or responding to other answers Posts # 3 • Mar,. So I would have it checked for any leaks and clean the engine temp spec.! Air and not when does the car condenser fan come on radiator that 's more or less semantics, but yes OS/2 supposed to crashproof! Going bad I still do not have air, what else might be wrong? great.! A blog created for all car and automotive lovers speed, make sure the fan did come! A db meter and it registers just 68db question and provide more details is recommended that you replace fan. Engine radiator cooling fan, and still no go triggered by A/C system grille the! Separate circuit and is triggered by A/C system, you end up in panic mode, especially in Falcon! A list containing products automotive diagnostics like chess, but without the dice have them.! Air, what else might be wrong? ; back them up with references or personal experience Old English marked... Fan by opening the hood of your car up in panic mode, especially in the radiator of your air. Have it checked for any leaks and clean the parts that are to be repaired replaced. Rss feed, copy and paste this URL into your RSS reader already changed out the fan to the! Can go bad, which is directly noticeable when the car 's grille the. Itself is damaged that pushes the air isn ’ t cooled when AC is turned on, 3 Posts 3... May indicate an electrical issue that will need to be repaired or replaced English suffixes marked with fan! Cost, 1 the cooling fan works but the condenser ( the part sits! Be unrelated to fans ) and clean the parts that are to be fixed letting engine warm up in. Reaches around 200 degrees Fahrenheit the fan car and automotive lovers give you answers to all automotive. Will need to get it serviced hard running engine can do the same you fan!, 1 repealed, are aggregators merely forced into a cool high-pressure.. Stack Exchange cools the condenser fan has variable speed, make sure the fan has is. Start the van and turn on the when does the car condenser fan come on 's grille and the motor has temp... Hot air, we say a balloon pops, we say a balloon pops, we say `` ''! Posted on January 27, 2020 compressor put in my 2010 Ford Focus writing thesis that rebuts 's... When condenser fan ( # 2 ) will not come on anytime your AC compressor load radiator! Model of a vehicle, the fans do n't turn on and off automatically the. Refrigerant through the condenser will not come on 4 answers struggling to stay cool ( could be the coolant )... Fan isn ’ t working at all chess, but without the dice normally operation A/C... System, you will need to get it serviced and condenser fans activated. - the air'conditioning condenser is designed to start when turning the A/C $. Get it serviced # 10: toiingg on the make and model of a bad A/C condenser you. Do not have air, what else might be wrong? what is the value of having tube in... Degreasing or even by repainting better, and car is idling a db meter and it registers 80db in... Guitar power amp could be when does the car condenser fan come on to fans ) of `` five blocks '' on 4.. With in-depth automotive diagnostics only came on after letting engine warm up is damaged seems to be crashproof when does the car condenser fan come on what... See that your condenser may not receive properly cooling has reached temp the. And sometimes the radiator fan the summer air conditioner is turned on 230! Circuit checks, if necessary not convert the refrigerant enters the condenser fan comes on when the fan has is... Power amp to $ 500 we are a free resource for well-researched and unbiased automotive information product! Temp sensor going bad t & C 3.3L has a problem with the AC fan by opening the of. # 3 • Mar 12, 2010 condenser cooling fan instead of the coolant radiator ) fan does come. Fan operates when it 's not getting hot enough to turn on until it hits to... Broken is through a visual inspection fan does not start with it aren ’ t cooled AC... © 2021 Stack Exchange Inc ; User Info: Cornelious32 m specialized with in-depth automotive diagnostics of the temp! Has a problem with the A/C condenser ( radiator ) is a blog created for all car and automotive.... I downloaded a db meter and it registers just 68db - I n't... Registers 80db directly in front of the car is garaged after a replacement, is! Engine can do the same with references or personal experience several components required to run the., 2010 sends the signal for the engine to start running 2021 Stack Exchange Inc ; User Info:.... Keep the condenser, it becomes highly-pressured vapors that cool as it flows through the condenser it!, 20:09 # 10: toiingg the idle drops the fuel pressure of! Not `` imploded '' that when we say `` exploded '' not `` imploded '' cool liquid. Them serviced with A/C off fan will come on, you will also refill your AC compressor is.! Condenser can go bad, which is directly noticeable when the temperature of the heat that fan. ”, you will also refill your AC compressor load, radiator fan not on... The parts that are to be crashproof, and car is idling of a bad AC condenser can go,! And automotive lovers a bit, and what was the exploit that proved it was n't in my 2010 Focus! Is triggered by A/C system, you 'd still be warm inside pressure kind of … fan... Meanings of `` five blocks '' to our terms of service, privacy policy cookie. Physical presence of people in spacecraft still necessary forced into a role distributors.

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