Window Ac Compressor Not Working But Fan Is Running

Air Conditioning Not Working. Ask someone knowledgeable in this area. Condenser Unit Fan Diagnosis & Repair for Air Conditioners & Heat Pumps, What is the A/C or heat pump condenser fan, where is it, what does it do? Diagnose & repair compressor/condenser fan & fan motor problems - including a Checklist of Diagnostics for a Condenser Fan that Stops Working Condenser fan won't start or won't run; condenser fan won't start, or condenser fan keeps stopping; A/C or. Using a flat screw driver, I turn the. What To Check If Your Home A/C Unit Is Constantly Running and Will Not Turn Off May 15, 2013 PVC Pipe Creations - Make Cool Stuff Out Of PVC Pipes May 14, 2013 How To Make A Cheap DIY Tomato Plant Cage Out Of PVC Pipe May 14, 2013. The radiator fans should be running on low speed whenever the AC is on so I believe the AC looks for the fans and thens shuts off when they do not run. If you have no experience in HVAC, electrical, or other equivalent background it would be best to buy a new unit since high voltage is fed into the capacitor. Window Air Conditioner: Compressor humming but not working If you turn the air conditioner off and then back on too quickly, the pressure of the refrigerant gas rises too high; as a result, the compressor hums and won’t start until the refrigerant pressure equalizes between the evaporator and condenser coils. Is the compressor running? If the compressor is running and the fan is not running we need to check the evaporator fan first. Check the 12-volt fuses or circuits. If the compressor tank pressure continues to build and bypasses the normal cut out pressure, the pressure will rise until the PRV cracks open and vents air. HVAC Troubleshooting: Why Your AC Unit is Not Cooling. Run the engine at 3000 RPM until the fans (there are two) turn on to low speed. Even at 30 minutes per hour, though, the outdor unit pulls in 84,000 cubic feet of outdoor air. The fan speed can be adjusted. Now let’s look at how they work together to make an AC do what it does. As the compressor motor of the inverter air conditioner does not turn on and off all the time, but keeps working at low power, the operation is more quite. This can effect the compressor and not the fan. Everything else is working fine. If your air conditioner is running but not blowing any air and you have inspected the air filter and fan motor and found them okay, then you may have a problem with the control board. Visually inspect the length of the duct for any holes or tears. Symptoms: AC set to cold, condenser fan comes on (outside unit) but you don't hear the compressor engage. I just had the AC compressor replaced bout 2 weeks ago. The AC air is not hot, but it is definitely not cooling as it should. When you have a running compressor, but your air conditioning unit is not producing cool air, there are potentially a number of things that could be causing this problem. I've ignored it for a couple of years since I haven't needed AC, but I'm heading across the midwest next week so I'm considering fixing it. If it is and the compressor is on, the system is all right and the problem is in the blower motor. The 2nd compressor will not run unless the #1 compressor is running. A window fan may have a marginal effect for the reasons you mention, but no one is suggesting that you run a window fan while the AC is on. Is the compressor running? If the compressor is running and the fan is not running we need to check the evaporator fan first. The fan worked on all levels (1,2,3, and 4), as well as when he ac button was engaged. Burnt out motor. Well, i'm not a professional, but my dad is an AC and appliance repairman. If your air conditioner fan is not spinning, the problem could be a faulty belt. Installing an air conditioning system in a Fiat Spider is not exceedingly complicated or difficult. A bad capacitor is usually associated with either the condenser fan or compressor not starting. You will see the belt and the outer pulley turning,. Homeowners should experiment to see if it works best for their home to have the furnace fan running continuously or not. ") In an air conditioning system, capacitors work with three different motors: the compressor, the indoor blower fan, and outdoor fan. If the compressor isn't running but the fans work, the start relay or compressor might have failed. AC is not working. Caused by the car to long-term passenger dust with impurities such as sweat, garbage, cigarette smell, fragrance, food smell … in the corners of the car interior. There should be no extensions added to the exhaust duct because the fan is not strong enough for longer lengths. If the fan is turned off or the outside temperature falls below freezing, the air conditioning compressor will not run. Relative to the fixed-speed air conditioner, the indoor control system is added with one communication circuit, but removed of the control circuits for compressor, 4-way valve and outdoor fan. Another problem that may cause your air conditioner fan to not spin might be a belt that has either broken or became loose. But for sure first possibility is far more prevalent than rest. A bad air conditioner compressor can make a lot of noise. Remember, a heat pump warms your home by working like an air conditioner in reverse. Personally, I get quite a few questions from Dometic AC users and haven't noticed any increase in compressor's going bad in their units. Press the Reset button on the portable air conditioner's plug The unit turns on, but the compressor does not turn on- the fan runs, but there is no cooling: The room temperature is outside of the operational tolerances of the unit: Most units are designed to work in ambient temperatures of 64°F to 90°F: The Cooling mode is not on. Photo: A typical air conditioner unit outside a restaurant. I have a 1997 f150. Anyway when I turn on the AC, only the one on the passenger side starts. AC fan not working ac unit not cool house how to repair broken HVAC Run Start Capacitor How to fix your AC - Fan kicks on but Compressor Not Working air cond. com 94 lt1 no leaks, water pump 1 year old, this weekend installed new cap, new thermostat new coolant, water wetter. Press this button to close the circuit on your contactor If pressing the contactor button turns everything on, the capacitor is probably OK, but keep reading to test the contactor's coil. It proceeds along a set pattern with the easiest things tested first and more difficult later. When you have a running compressor, but your air conditioning unit is not producing cool air, there are potentially a number of things that could be causing this problem. ") In an air conditioning system, capacitors work with three different motors: the compressor, the indoor blower fan, and outdoor fan. The unit fits most windows with the easy to use installation panel kit for quick setup and offers 4 speeds for cooling, ventilation or dehumidification, including a fully. Replacing a bad compressor will run more than a thousand dollars so you will want to get this looked at. As can be guessed, allowing the compressor to run without lubrication can cause it to be damaged or to lock up. A high pressure gauge can be very usefull in further troubleshooting the system and is what the professionals use. I have always assumed that if the unit is functioning as a fan, it's not using nearly as much electricity as when I've got it set to "cool. The air compressor will not stop running. window or wall air. As it turns out, the AC system in Escalade, Silverado, Sierra, Yukon, Suburban, and Tahoe trucks stops working and ceases blowing cold air because of a defective bracket design affecting the A/C compressor and condenser line. I told her, that it does not "WASTE" ac because regardless of having the window open or not, the AC will still be outputting the same amount. Your compressor is the part of your AC unit that transforms the refrigerant chemicals from liquid to gas and back again in a continuous cycle, generating the cool air. What to check if your air conditioner or heat pump just won't start at all. Answer: The most probable cause of your AC unit not turning back on is the compressor needs to cool down. Remember to please please please know what you are doing when it comes to electricity. However, the unit does not blow out any cold air. When the air conditioner is function in dry mode, the fan and other inner components of the device will be running. AC Compressor Replacement: – Most central air conditioners have 10-year compressor warranties. A neighbor helped me make sure the outside ac part was not hanging to low. I'm a retired Air Conditioning business owner and think that this is a significant breakthrough. Water temp was at 190 F, however when I parked it in my garage, and turned the engine off, radiator fan was still running. Adjusting the fan speed during air conditioner. Now let’s look at how they work together to make an AC do what it does. The fan motor's failure to run may be due to a simple power issue. I replaced fan. Replacing a bad compressor will run more than a thousand dollars so you will want to get this looked at. If your heat pump is still not working, it’s time to continue to troubleshoot. What you hear when your refrigerator “kicks on” is the compressor motor running the compressor. A little bit of maintenance and preventative care can go a long way towards extending the life of these units. They had a couple of power roof ventilators installed. Your going to need to get that voltage fixed. The fan and compressor on your air conditioner or heat pump should run normally until you release the button. Visually inspect the length of the duct for any holes or tears. Found out that there is no voltage/power on the compressor clutch relay socket. The condenser will run and freeze up because the blower isn’t working. We are first time RVers. If your air conditioner is working properly, its fan will draw warm air over the cold evaporator coils and push that cold air back into your home, then repeat the cycle until your home reaches your desired temperature. It is safe to run the fan if the heat exchanger is disabled. For me it even helped to turn off the printer before entering sleep mode - as an interim solution. Unplug it and remove it from the window to do this. As with any appliance, your air conditioner can't. Runs cold when moving at normal driving speeds, or when running high RPM. If it isn't working well, the rest of your air conditioning system will run out of sync. This is another part that must be repaired by a professional HVAC contractor. A split air conditioner is also commonly known as ductless split or mini split where there is an outdoor unit and an indoor unit. Your AC's capacitor is a device that looks like a small silver can and is located on the compressor (the outdoor unit). At this point, it's time to think about a chilled-water system. If your air conditioner is working properly, its fan will draw warm air over the cold evaporator coils and push that cold air back into your home, then repeat the cycle until your home reaches your desired temperature. Especially if is one of those days where putting down the windows just won’t cut it and help cool it off. Either running the pipe between the condenser and the air handler exceeds distance limitations (runs that are too long start to cause lubrication difficulties in the compressor), or the amount of duct work and the length of ducts becomes unmanageable. If you notice that your temperature gauge is climbing, turn the AC off and open your windows. Outdoor fan not running Outdoor fan not running. If the air conditioner is humming but is not emitting cool air, the fan motor or compressor may be seized up, refusing to allow the air conditioner to cool. On older models there was a separate belt driving the A/C compressor. blower fan not working The problem stated when I was driving with the AC on and all was well, suddenly the fan just stopped. Could I have messed up my VHS by pulling it home?. Air conditioner not cooling when at idle or at low speed. Related Article: 8 Ways AC Preventative Maintenance Keeps the Repairman Away. A/C fan not working If the pressure is low ( short of gas ) or faulty switch the fans will not work. I have a 2007 Honda Civic Ex. A bad air conditioner compressor can make a lot of noise. The first thing to look for is the condenser fan being on (if equipped). But when I open the hood I see the thing not rotating when I hit AC button also the radiator fan doesnt work when i turn my car fan speed. Much like other accessories driven by the engine’s belts, the AC compressor has several interior components and uses a sealed bearing to turn. Do not have an RV air conditioner repair person work on your basement unit, as it is basically a household air conditioner/heat pump. Also the ac unit runs even when the thermo is in the off position. with a sleek design, a unique touch control interface and a compact remote control. Compressor Activation: Some condenser fans activate with the air conditioning compressor. How not to cool your kitchen. I replaced fan. I had to switch the connection of my Epson BX525WD from WLAN to LAN with the result that my Windows 7 x64 system left the fan and keyboard indicators on when entering sleep mode. Running it at the highest speed should suck/blow more air throughout the coils, cooling your freon to a lower tempurature and reducing the pressure. Relative to the fixed-speed air conditioner, the indoor control system is added with one communication circuit, but removed of the control circuits for compressor, 4-way valve and outdoor fan. Compressor Motor and Component Information. Car AC Not Blowing or Is Your Car AC Fan Not Working? If your car's AC isn't blowing air, it could be a problem with your car's fan. Scenario A: Compressor works, but the fan does not spin The problem : You have a bad fan motor and/or bad start capacitor. Note: this is not the pulley, but the center piece that engages the pulley to the compressor shaft. Each motor has its own capacitor and if one of them is not working, then it usually means that the motor won’t run. The air conditioner in a central heating and cooling system provides cool air through ductwork inside your home, by providing a process that draws out the warm air inside, removing its heat. Not all air conditioner units have condensation pumps, but the ones that do can quit working. Found out that there is no voltage/power on the compressor clutch relay socket. Press this button to close the circuit on your contactor If pressing the contactor button turns everything on, the capacitor is probably OK, but keep reading to test the contactor's coil. An air conditioning compressor is the heart of the the unit and can be a real problem if not working. This 24,000 BTU window air conditioner did not even last three before it started having issues. What Make a Fridge Stop Working? Refrigerators also have several components, such as thermostats, timers, overload switches and fans, to facilitate the cooling process and keep everything working properly. It is located in the outside box along with the condenser and fan. If the compressor does not run with the cycling switch bypassed, then try the high-pressure cutout switch which is up near the radiator It is a 4-wire connector, but a good haynes book tells you which two pins are the high-pressure cutout and which two are the fan-on switch. Condensation Pump. 35 is low but should be sufficient charge to run the compressor. There should also be a fan inside that blows the cold air in, that may also not be working. Air conditioner compressor is a significant part of any AC unit, which is placed outdoor and does the pumping of refrigerant through the system. A compressor serves as the heart of an air conditioning system. DO NOT run your unit for more than a minute or two with the outdoor fan not running. Condenser Fan Running Half Speed. A layer of grime on the fan blades can also slow it down, so again you may just need a good cleaning. This might be a silly question but I was wondering if a car AC unit be run off entirely on battery or alternator? As this could help in. We wanted to give a big of explanation on one in particular: what is happening when the fan is running but the compressor is not? There are a few reasons why this might be happening. You know there's cold air happening somewhere inside that box, but with the AC fan not spinning, the air has no way of getting out of the box to cool you off. So you should Turn OFF your AC, If the AC fan does not run. This is to protect the air conditioner. On standard residential air conditioning systems, the compressor is typically located in the outdoor unit. The 110 V AC motors are metal with exposed copper coils. Heat Pump check #2: Is the fan or blower running at all?. I am working on 2011 fusion with 3. The fan makes noise when it blows, but it's a consistent enough sound that we had to recheck a bunch of times to be sure the compressor was running. Is there anything I need to do to my window AC before I start it for the summer? Yes, Check and make sure the condenser and evaporator coils are both clean. Empty all of the air from the compressor tank. My ac is not working, there is a buzz sound coming from the condenser unit out side. The Air conditioner outdoor unit will not come on. (The AC unit is working fineIt comes on and produces cool air). The ECT isn't directly part of the A/C control logic since it only feeds the ECM. If the fridge compressor is running but not cooling the problem is likely the evaporator coils, evaporator fan or condenser fan need to be repaired or replaced. As a result, wires, switches and settings shift around. When I apply voltage to the compressor, it kicks on and gets slightly cold. If all is OK, check your air filter. it was not cooling at all. On cooler days this time of year, I often turn my window AC unit to the "fan" setting to pull in some of that cool air from outside. When fans aren’t properly functioning, your condenser may not receive properly cooling. If the AC fan does not run, it can also Damage your compressor. Condenser Fan Running Half Speed. What To Check If Your Home A/C Unit Is Constantly Running and Will Not Turn Off May 15, 2013 PVC Pipe Creations – Make Cool Stuff Out Of PVC Pipes May 14, 2013 How To Make A Cheap DIY Tomato Plant Cage Out Of PVC Pipe May 14, 2013. The other circuits are basically the. Although a seized compressor can be temporarily repaired by cleaning it thoroughly, by ensuring that the oil is properly filled and by pushing the motor backwards and forwards, you should. What to check if your air conditioner or heat pump just won't start at all. First, check the AC unit and make sure it's plugged in. Most vehicles today have one multi-speed fan that blows air through a series of ducts and vents based on the driver's selection in their climate control system. This is an air conditioner, not a heat pump. If that is the case, fix it by replacing the fuse wire. The ECM turns the compressor on and off based on several inputs but it isn't clear that low coolant temp is one of the reasons it would not allow the compressor to run. Outside AC Fan and compressor appear to be working fine. The fridge and freezer are not cooling at all. HVAC Troubleshooting: Why Your AC Unit is Not Cooling. The Frigidaire air conditioner cools off the room very fast. If it is the. My Air Conditioner compressor went out about a week ago, had that replaced all was well until today. My AC on my 2013 (3. It is located in the outside box along with the condenser and fan. If there's something else then it can be a problem. A start capacitor is an electric device that gets the electric motor running at startup by providing a "jolt" of stored electrical energy. We are first time RVers. Note: this is not the pulley, but the center piece that engages the pulley to the compressor shaft. 35 is low but should be sufficient charge to run the compressor. If the fan(s) will not run at all in slow speed, you'll likely see an infinite resistance. When you have a running compressor, but your air conditioning unit is not producing cool air, there are potentially a number of things that could be causing this problem. But if it happens to you, know that you are not alone. It is much quiet than many of the air conditioners on the market today. The constant air moving will keep you cooler. But if it happens to you, know that you are not alone. W/ remote control. Chevrolet Express 1500 AC Is Not Working? RepairPal will help you figure out whether it's your AC Refrigerant Leak, Climate Control Electrical Issue, AC Compressor, or something else. When i opened the bonnet, i noticed that a/c compressor was not working, and even the 2 cooling fans behind the radiator was not working. The amount of heat a dehumidifier gives off is small in comparison to what even a small window air conditioner will extract. Your window AC unit fan may not be working for a number of reasons. The ECM turns the compressor on and off based on several inputs but it isn't clear that low coolant temp is one of the reasons it would not allow the compressor to run. I can't remember if the AC condenser fan was running or not. It seems to me that when a car AC is on, the compressor runs continuously and the cabin temperature is controlled by adding heat to the air. In response to the caller who wondered if it was bad for her car’s AC to run it with the windows open. If you have a window air conditioner that's not cooling or working properly, these troubleshooting tips can help narrow down possible causes of the A/C problem. Over time, a leak in the AC refrigerant lines “will slowly leak out refrigerant gradually making the air warmer. Not all air conditioner units have condensation pumps, but the ones that do can quit working. About a week ago, AC and Heat were working fine. This is not good because the compressor is the heart of the system and no refrigerant can be moved without it. I just slide the unit back, not attached yet. Fan circulates air but compressor does not run. Visually inspect the length of the duct for any holes or tears. And I believe a lot of compressors and entire units have been replaced when the fix is not too difficult. When the compressor kicks in the aux fans work great and it blows 38 deg air in 90 deg temps. Unplug the freezer, wait two hours and plug it in. Though it is unusual for a compressor to stop working, there can be several common reasons why it would. Air conditioner is loud or noisy: compressor, drive motor, fan motor, fan blade, fan, blower wheel All of the information provided in this window air conditioner troubleshooting video is applicable to the following brands: Amana, Electrolux, Fedders, Frigidaire, GE, Haier, Hampton Bay, Kenmore, LG, Whirlpool. we can get the fan and the heater to work … Air Conditioner Blowing No Cold Air Question: I am having a problem with the air conditioner (duo-therm) on my camper. In a properly working air conditioner, the fan will draw air over the cold evaporator coils and then re-circulate the air back into the room. The Air conditioning (AC) system in your Subaru is made up of the following. Is the compressor running? If the compressor is running and the fan is not running we need to check the evaporator fan first. This fan should turn on within a minute of the AC system being switched on. But not on ours. An individual with reasonable mechanical skills and some basic knowledge about AC systems can successfully install a system that will be superior in efficiency and operation to those installed in these vehicles when they were originally sold. Warm food and drinks don't sell at stores and aren't popular at home either. Turn the air conditioning on while the car is running. The air is very cold, and the unit is very quiet compared to most air conditioners. Third, the A/C compressor relay is a $4 throwaway part, like the fuel pump relay. Other times, your HVAC may simply need a thorough cleaning. The root of the problem could be the condenser fan motor or the compressor. This is also called the outer unit of AC system. First, check the AC unit and make sure it's plugged in. Dodge Ram 1500 AC Is Not Working? RepairPal will help you figure out whether it's your AC Refrigerant Leak, Climate Control Electrical Issue, AC Compressor, or something else. It has been working fine until this morning. It is simply to hot and humid here. Dry mode is used to remove humidity from the room without additional cooling. Air conditioner unit is under capacity; Condenser water circulating in the reverse direction; Condenser coil is very dirty; Condenser fan motor is not running; Condenser fan motor is rotating in the reverse direction; Poor air circulation of the condenser or air circulation blocked; Condenser water pump malfunction; Cooling tower fan not running. This is hot air that was taken out of the house by the air conditioner. A compressor draws refrigerant gas from an air conditioner's components and compresses the low pressure refrigerant to high pressure and moves it through the system. So don't worry if that is the situation. More quite sound. Contact JD's AC for your ac repairs, and perform simple troubleshooting steps in the meantime. If you have ever used a can of compressed air to clean computer components, you will know that the bottle gets very cold in a short amount of time. Took the vehicle to dealer and they said the compressor is not working and it takes $1200 to fix the compressor. There should also be a fan inside that blows the cold air in, that may also not be working. This might be a silly question but I was wondering if a car AC unit be run off entirely on battery or alternator? As this could help in. so i immediately stopped the engine and kept for a while to cool down. There are many things that can cause a compressor to stop working. I just slide the unit back, not attached yet. Find leaks using the old "smoke trick": For window units, light a stick of incense and hold it where the unit and the window frame meet; for central AC, hold the stick near duct connections. Some oems, such as trane, rheem, and a tons of window unit oems, will use this kind of cap for either just the compressor(if it requires a start and a run) or the start (7. Forum discussion: So The motor that runs the cooling fan on the outdoor compressor unit died Monday (likely due to power surge from power restoration after an outage. Like central systems, mini splits have two main components: an outdoor compressor/condenser, and an indoor air-handling unit. The culprit is most often the compressor and/or coil when your unit stops working and both can be expensive to fix. It seems to me that when a car AC is on, the compressor runs continuously and the cabin temperature is controlled by adding heat to the air. Air conditioner compressor is a significant part of any AC unit, which is placed outdoor and does the pumping of refrigerant through the system. To start with you had to use the remote after just one year as the buttons on the unit stopped working. Unplug the freezer, wait two hours and plug it in. It sounds like the compressor is coming on but the fan does not blow air. What To Check If Your Home A/C Unit Is Constantly Running and Will Not Turn Off May 15, 2013 PVC Pipe Creations - Make Cool Stuff Out Of PVC Pipes May 14, 2013 How To Make A Cheap DIY Tomato Plant Cage Out Of PVC Pipe May 14, 2013. In some instances, you may notice that your LG air conditioner's fan motor is not running. Either the fan or compressor will not work. If you have no experience in HVAC, electrical, or other equivalent background it would be best to buy a new unit since high voltage is fed into the capacitor. It takes much more energy to get the outdoor fan going than it does to keep it running. There's another fan you can't see, circulating cool air inside the building. If you have a split inverter ac then it is designed to work like that. My 1989 Volvo 240 DL is not working. Do this if your fan and compressor are both not kicking on. Test the. You can tell if the capacitor has gone bad when the air conditioner has trouble starting before the circuit trips. When I picked up the car from the shop they informed me that they got the AC to start working, but that the compressor clutch would NOT disengage so the compressor would continuously be running. If the AC fan does not run, it can also Damage your compressor. Electric Control Failure The compressor and fan controls can wear out, especially when the air conditioner turns on and off frequently, as is common when a system is oversized. The ac in my Jeep Liberty 05 was not blowing cold nor cool air. If the outside fan is not working the compressor may cause problems and will short cycle or cease working. Window AC Compressor & Fan Won't Run - Bad Capacitor Symptoms Benjamin Sahlstrom. Ducts can lose up to 30 percent of airflow through leaks, and window AC units are notoriously tough to seal properly. Humor me and pull the comressor fuse and inspect it, if it looks funny replace it. PROS - Leaving Furnace/Central Air Fan Run 24/7. That would be an easy fix but it could be a bad control module or stuck relay. When the AC compressor clutch in your car suddenly stops working and does not engage, it could be a sign of serious problem as cool air flow would not be blown into the engine. The air conditioning system may require an extended period of operation to reach the desired output. AC started back up, and it repeated the same issue. If your AC light does not come on and your cabin fan does not work, do not proceed until you have troubleshot and fixed this problem; this is the primary signal to turn on the AC system. They had a couple of power roof ventilators installed. Adrenelated nailed it; get a new unit. It monitors the temperature and turns on components such as the compressor and fan to cool the room to the temperature you set. An individual with reasonable mechanical skills and some basic knowledge about AC systems can successfully install a system that will be superior in efficiency and operation to those installed in these vehicles when they were originally sold. Ideal for renters or people living in mild climates, a window air conditioner uses a minimal amount of energy to maintain optimum comfort levels in your home. How to Check if Your AC Fan Motor is Bad in 7 Steps. could this be why my engine temp is running a tad high? wouldnt the air while driving at highway speeds keep it lower than the halfway mark? is the radiator fan only supposed to come on during idle?. Start the engine and set the air conditioner to its coldest setting. Also note the AC will not cool properly when it’s overcharged. If the circulating fan is not running or running too slow, little or no air flow over the evaporator coils will allow them to become too cold and frost or ice can form, restricting the air flow even more. Heat Pump check #2: Is the fan or blower running at all?. This is also called the outer unit of AC system. Check the air conditioning compressor clutch wiring for a voltage with the a/c switch on high and fan on high. The fan speed is very slow. The Do’s and Don’ts of Window Fans Though not a substitute for air conditioning on the hottest summer days, you can stay cool and comfortable for much less money month to month by learning how. It lasted for several months and now my fan will not work at all. About 25 bucks and easy to change, it may be worth a try. Check your home's electrical wiring for tripped circuits or anything that could be preventing your unit from receiving power. The air blowing out of the air conditioner is. The AC recharge kit that you have will not work, it actually doesn’t even fit on the high pressure port. If you have a window air conditioner that's not cooling or working properly, these troubleshooting tips can help narrow down possible causes of the A/C problem. 25 thoughts on “ BMW E46 Heater Fan Not Working Correctly ” Robin 06/05/2012 at 6:29 pm. You may be low or out of refrigerant in the cooling system. If the outlet has the proper voltage, but the fan motor still does not run, examine the air conditioner's power supply cord. This is a problem that you need to call a professional to investigate immediately. "The fan is running, but not the compressor. An air conditioner contactor is an electrical switch that controls the compressor and condenser fan motor. DO NOT run your unit for more than a minute or two with the outdoor fan not running. There are a lot of factors that determine whether your compressor will turn on, including blockages and problems with the thermostat that may prevent the compressor from working properly. I just had the AC compressor replaced bout 2 weeks ago. There are two fan's inside my Computer, and the large one is not working, but the small fan is. Then turn off the thermostat, set it to 70 degrees, turn it to cool and low fan, and the fan should kick on and then you should hear the compressor come on with a vibration and lights dim slightly. Other signs of a leak are. Electric current flows through the capacitor before it gets to the compressor, if the capacitor goes bad, the compressor never see's electricity. AC fan not working ac unit not cool house how to repair broken HVAC Run Start Capacitor How to fix your AC - Fan kicks on but Compressor Not Working air cond. If the compressor motor is not working, then the air conditioner will not cool. The blower works fine and the temperature changes when I turn the temp knob (I can turn the heat on). This will break down and circulate through the system eventually causing system restriction. I need help to find out if the problem is with the compressor, with the fan or with the capacitor. If a capacitor goes out completely, or is severely out of its operating range, it may prevent the motor affiliated with it from running completely. Is there anything I need to do to my window AC before I start it for the summer? Yes, Check and make sure the condenser and evaporator coils are both clean. It receives high pressure and high temperature refrigerant from the compressor and rejects the heat in it into the air. Air conditioner compressor is a significant part of any AC unit, which is placed outdoor and does the pumping of refrigerant through the system. EASY: These are very simple things that unfortunately can account for unnecessary and expensive service calls. (Pascagoula, MS) Question: We checked all breakers and GFI and still no AC. A technician will test out the following parts to determine what to do when your HVAC compressor won't turn on: Capacitor; Start. When the AC compressor clutch in your car suddenly stops working and does not engage, it could be a sign of serious problem as cool air flow would not be blown into the engine.