If there is a problem with your starter relay, then the power will not be able to get from the capacitor to the compressor. In this situation, the compressor will not receive the needed electricity and will not work. #4. Defective compressor contactor. If your compressor sounds weird, you may have a problem with a failing …Is your furnace blower motor not working and there is no air coming out of your vents? Perhaps your blower motor has burnt out and you need a new one. Or may...In some cases, when your American Standard AC fan is not working, the root cause could be contactor issues. The compressor contactor plays a crucial role in sending the necessary electrical voltage to the AC fan and condenser unit.. Over time, contactors can wear out and break down, resulting in the fan not spinning and the entire unit ceasing to function.Jul 21, 2023 · One goes to the radiator; the other goes to the dashboard. 3. Measure the temperature of the air coming out of the vents. The temperature of the air coming out of your vents tells you a lot about where the problem is. Grab a meat thermometer and stick it in one of the vents. Wait a few minutes to get your reading. [4] Air Conditioner Fan Motor. Try turning the blade by hand. If the blade does not turn freely, this indicates that the motor bearings are worn out. If the motor bearings are worn out, replace the motor. If the blade turns freely, test the incoming power to the fan motor. If power is getting to the fan motor, but the motor won’t run, this also ...If the fan doesn’t turn on, you should check for a blown fuse or relay, damaged wiring, bad temperature sensors, or the wiring harness of the radiator fan. Radiator fan not turning on When AC is ON – Causes. Here are some factors that may contribute to a radiator fan not working correctly when the air conditioner is turned on. A Blown Fuse ...If the motor shaft is loose, or if it won’t turn at all, replace the fan motor. Parts. Cause 2 Fan Motor. Try turning the blade by hand. If the blade does not turn freely, this indicates that the motor bearings are worn out. If the motor bearings are worn out, replace the motor. If the blade turns freely, test the incoming power to the fan motor.Air Conditioner Fan Motor. Try turning the blade by hand. If the blade does not turn freely, this indicates that the motor bearings are worn out. If the motor bearings are worn out, replace the motor. If the blade turns freely, test the incoming power to the fan motor. If power is getting to the fan motor, but the motor won’t run, this also ...In the end, when you see an RV AC unit humming but fan not running, there could be various reasons behind it. Some of these include blockage in the fan, malfunction of the control board, or tripped breakers. To overcome these issues, regularly clean the AC unit and eliminate any repellents. Also, inspect the panel, replace the damaged control ...A properly functioning AC unit is a must in sweltering hot summers. It’s easy to panic if you notice your air conditioner isn’t working correctly. One common problem is an AC unit with a fan that is not spinning and that is hot. If the fan on your AC unit isn’t spinning, there could be a problem with the capacitor and/or motor.Spray the coils with a garden hose. Remove the loose debris with water. Spray coil cleaner on the unit and allow it to sit for 5 to 10 minutes. Use a water hose to spray away the foam coil spray and debris. A sweeping motion with the hose will rinse away all … 08 - Panasonic Air Conditioner Blower Motor. The blower motor may be burned out or worn out. First, check the fan blades. If the blades don’t spin freely, replace the blower motor. Second, make sure that power is getting to the blower motor. If the blower motor is getting power but the motor still won’t run, replace it. Air conditioner fans not working can be a sign of a frozen evaporator coil. The evaporator coil sits inside your home within the air handler unit (furnace or fan coil), pulling heat and humidity from indoor air as it passes through. The evaporator coil can freeze up as a result of indoor blower fan malfunction, low refrigerant charge, low ... 08 - Amana Air Conditioner Blower Motor. The blower motor may be burned out or worn out. First, check the fan blades. If the blades don’t spin freely, replace the blower motor. Second, make sure that power is getting to the blower motor. If the blower motor is getting power but the motor still won’t run, replace it.If you notice that your AC fan isn’t working properly, we can help you troubleshoot the problem. Your AC unit has two fans: one inside your home that. In a hot, humid climate like Tampa Bay, Florida, cooling season is almost year-round. This means your air conditioning system is a vital part of your comfort! If you …This video tutorial will show you how to replace the AC / Heat blower speed resistor in a 2002 - 2006 GMC Yukon.AC / Heat Air Not Blowing? Only Some Blower ...Checking the Power Source. First, check to see if the air conditioning unit is receiving power. If the AC unit fan isn’t spinning, it could simply be because the unit isn’t powered on. Ensure that the air conditioning unit is plugged into a power source and that the power switch is in the “on” position.When I troubleshoot a condenser fan motor, I try to keep in mind that only a few things can really go wrong with them. Voltage from the panel isn’t sufficie...Dec 20, 2562 BE ... Note that blower motor resistor pack has a fuse or circuit breaker built in. Presumably, that's accessible so see if there's a reset button on ...1,535. Asked by Vic Oct 27, 2014 at 01:50 PM about the 1995 Dodge RAM 1500 Laramie SLT LB 4WD. Question type: General. Heater fan will not blow air, just suddenly stopped. Fuse is good, fan motor removed and connected to power and works fine. Re-installed motor, ran direct power to it and runs fine.Dec 18, 2555 BE ... If you remove the glovebox you will expose the blower motor. It looks like the blower motor has battery voltage at all times and the HVAC module ...First, however, you should rule out these common reasons for an RV air conditioner fan not working: 1. The AC unit is old. After years of use, even the best AC units won’t cool as well. It’s possible the AC unit is just worn out. If the motor is worn out it won’t move the fan blades. However, some worn-out parts of the unit are ...To check if its working set to hi blower and switch the relay with another that is the same (a non critical relay example: such as brakes. The realys will have the same nubers) If the blower turns on then it is a bad relay, if not the blower may be bad. Make sure to place the good relay back in the original location.Ac condenser fan not working 6 Answers. My ac condenser fan has no power going to it. Before the fuse melted in the fuse box. I replaced the fuse box and it worked for awhile but then it went out. And the fan is fine because I have hook...Oct 3, 2022 · The Air Filter is Clogged. If your AC fan is not working and the unit is still running, it’s possible that your air filter is clogged. If you haven’t changed it in a while, it could be full of particles preventing airflow. The best solution is to check the air filter. If it’s clogged, it’s best that you replace it with a new one. Steps: - Ignition on. - Press A/C auto to 72F. - Adjust indicated fan speed to MAX (From your description, no air should come out, but you will see the LED bars increase until MAX is displayed.) - Hold Rest button for 5 sec or until left side diplay says "1". - You can now see actual sensor values for your car.If it came on, it needs a blower motor. If it did not come on wiggle the connector going to it.(white with two wires). If it came on it could ...08 - Amana Air Conditioner Blower Motor. The blower motor may be burned out or worn out. First, check the fan blades. If the blades don’t spin freely, replace the blower motor. Second, make sure that power is getting to the blower motor. If the blower motor is getting power but the motor still won’t run, replace it.The most common causes for AC fan blower motor not working in Chrysler Town and Country are blown fuse, bad relay, resistor or control module malfunction and faulty blower motor. However, a bad electrical connector or broken wire, or a defect in the climate control unit can also cause the blower motor to stop working. 1.If you feel lukewarm air coming out of the air vents, that is the first symptom of a faulty ac cooling fan. This happens when the fan is not working and the condenser has gotten very …If your AC is not cooling but runs: Turn off the power. Clean or change the air filter to improve airflow. Look to see if ice has formed on the coils and, if it has, turn on the power and the fan to melt it. Clean the condensate drain. Finally, check and clean the outdoor compressor.Choosing the right air conditioning unit is extremely important, especially if you live in an area that gets really hot during the summer months or if it’s hot all year round. The ...A burned-out motor might be causing your air conditioner fan to not work. Over time, the motor in your air conditioner goes through the basic wear and tear and will eventually burn out. When …1. Older ceiling fans can often be fixed by oiling the bearings, as lack of lubrication is a common cause of a fan not turning on. 2. If your fan has pull chains and only some of the speeds work, it may be due to a faulty capacitor, which can be easily replaced. 3. In some cases, a fan that won’t turn on might simply have a loose wire connection. Air conditioner fans not working can be a sign of a frozen evaporator coil. The evaporator coil sits inside your home within the air handler unit (furnace or fan coil), pulling heat and humidity from indoor air as it passes through. The evaporator coil can freeze up as a result of indoor blower fan malfunction, low refrigerant charge, low ... If you feel out of your depth, call one of our HVAC service technicians for a professional fix that works around your schedule. Introduction. Problem 1: Your AC fan is not spinning. Problem 2: AC fan spins slowly. Problem 3: AC fan motor spins slowly and makes noise. Problem 4: AC fan isn't spinning and makes no …Ac condenser fan not working 6 Answers. My ac condenser fan has no power going to it. Before the fuse melted in the fuse box. I replaced the fuse box and it worked for awhile but then it went out. And the fan is fine because I have hook...When I troubleshoot a condenser fan motor, I try to keep in mind that only a few things can really go wrong with them. Voltage from the panel isn’t sufficie...The Air Filter is Clogged. If your AC fan is not working and the unit is still running, it’s possible that your air filter is clogged. If you haven’t changed it in a while, it could be full of particles preventing airflow. The best solution is to check the air filter. If it’s clogged, it’s best that you replace it with a new one. 02 - Central Air Conditioner Fan Motor. To determine if the fan motor is working, use a multimeter to test the incoming voltage to the motor. If the fan motor is receiving the correct voltage but the motor still won’t run, inspect the capacitor to ensure that it is not at fault. If the capacitor is not bulging or leaking, replace the fan motor. Once you connect the fan to battery power, your fan should start running. If the fan doesn't work with direct battery power, examine the terminal that plugs to the radiator fan connector. Look for corrosion and damage. Then test for incoming voltage …Oct 21, 2023 · Here are some potential reasons and troubleshooting steps to resolve the issue: 1. Power supply issue: Ensure that the unit is receiving power by checking the circuit breaker or fuse. 2. Faulty fan motor: Check if the fan motor is running smoothly or if there are any signs of damage. If necessary, replace the fan motor. Another common reason for your AC fan not working is a bad capacitor. A run capacitor stores energy like a quick discharge battery that helps power up your condenser and your AC fan motor when a good jolt of energy is needed. One symptom of a bad start capacitor is hearing a compressor humming sound while the fan is not …Keep Your AC Fans Spinning. If you find you AC not working, there’s a problem in your unit. It could be something as simple as a dusty AC unit fan or something more complicated like an electrical issue. In any case, you need to get it fixed because the AC fan is an important part of your air conditioning system. By following the tips above ...georgebuhr. check for voltage at the plug, if none, check the fan relay or fuse. If bearings in motor are going bad it could create too much amp draw and blow a fuse, but fan will still run under direct voltage. If fuse and relay still check good but no voltage at plug, something obviously is not telling computer to command …If it has blown, contact your mechanic for repairs. If the fuse is OK, but the fan does not work, keep reading… Relay issues. Bad relay: The relay for the radiator fan system is also found in …The fan does not rotate fast enough. When the AC is on, the fans do not turn on. After you shut off the AC, the fans do not turn off. The fans run irregularly. When the fans do not turn on when you turn the AC on, you must turn off the AC. It is a clear sign that there is a problem with the motor. So, since the fan …The compressor pressurizes the refrigerant gas and sends the refrigerant into the outdoor unit’s condenser coil. A large fan pulls outdoor air through the condenser coil, allowing the air to absorb heating energy from the home and release it outside. During this process, the refrigerant is converted back to a liquid.Most people use the term AC condenser to refer to the part of the air conditioning system that sits outside the home, even though this part of the system has more components that j...Conclusion. In conclusion, it is important to remember that if your AC fan is blowing but not cooling, there are a few potential causes. From simple maintenance issues such as clogged air filters or evaporator coils to complex electrical problems like faulty capacitors and motors, the best way to identify the …However, repeated power issues should be looked at by a professional. Velocity Air Conditioning is currently celebrating summer with discounts on air conditioner tune-ups and qualifying HVAC equipment upgrades. To learn more or schedule your seasonal air conditioner tune-up, call 813-370-0299 …1. The Unit Isn’t Receiving Power. Sometimes the reason your AC fan is not working doesn’t have to do with the fan but rather the power. If there is a power issue …Once you connect the fan to battery power, your fan should start running. If the fan doesn't work with direct battery power, examine the terminal that plugs to the radiator fan connector. Look for corrosion and damage. Then test for incoming voltage …Here are some potential reasons and troubleshooting steps to resolve the issue: 1. Power supply issue: Ensure that the unit is receiving power by checking the circuit breaker or fuse. 2. Faulty fan motor: Check if the fan motor is running smoothly or if there are any signs of damage. If necessary, replace the fan motor. 5 Common Reasons Why Your Air Conditioner Fan Is Not Working. Capacitor problems. A capacitor stores up energy that provides power to your air conditioner’s fans. However, your capacitor can go bad for various reasons and stop working properly, which will force one of your system’s fans to stop spinning. Learn how to troubleshoot an AC fan that won't turn on and find out what causes this common problem. Get tips on how to fix the issue yourself and when to call in a professional.Learn how to troubleshoot your air conditioner fan and decide if you can fix it yourself or call a professional. Find out the common causes of AC not blowing cold air, such as dirty …Sep 4, 2564 BE ... Engine can be running or in the accessory position. This forces it to come off and on as you ground it. It is a pusher fan so air will be forced ...2. Unplug the fan and either unhook the blade guard or unscrew the pin. Pull the fan’s electrical cord out to keep it from turning on randomly while you’re working on it. Feel around the sides of the blade guards for clips that are holding the 2 parts together. If there are clips, unhook them and remove the front half.Avail AC Services staring at ₹149 When the AC outdoor unit fan not working, it often signals issues like a faulty capacitor or motor, disrupting the heat expulsion process crucial for cooling. When the sweltering heat outside refuses to relent, a malfunctioning AC fan can quickly turn your home into an unwelcome sauna.4. Dead Capacitor. Similar to the contactor, the capacitor is another component that sends power to the fans. It powers the fan motor and provides continuous energy to keep it running. When the capacitor malfunctions, it can either cause the fan to stop running or cause the AC to blow warm air. 5.Tacoma Fan Switch Not Working The fan blower switch failing on the Toyota Tacoma (2005-present) is a common issue with this model of truck. Below describes the back story and the five step process to bring the unit back to life. The synopsis: Check fan motor fuse Clean/replace cabin air filter Check, fix, possibly replace fan […]If it has blown, contact your mechanic for repairs. If the fuse is OK, but the fan does not work, keep reading… Relay issues. Bad relay: The relay for the radiator fan system is also found in …When it gets far beyond the point of being white noise. Not only are window air conditioning units crucial for keeping cool during the hot summer months (at least for those who don...Air Conditioner Fan Not Working Inside. If your AC indoor fan isn’t working, first check to make sure a breaker hasn’t been tripped. If all is OK, check your air filter. If it’s blocked, then you may be able to fix it yourself. If there’s ice on the evaporator coil and refrigerant lines, allow the ice to melt, then check again to see if ...When you’re in the market for an air conditioning unit (AC) you should be aware that all HVAC brands are not equal in quality and reliability. This guide highlights four AC brands ...If you’re a frequent shopper at Ace Hardware, you may have heard of their loyalty program called My Ace Rewards. This program offers a range of benefits and rewards to customers wh...The coronavirus has not only affected how businesses operate. As more of us work from home during the pandemic, we're experiencing disrupted sleep patterns. Some 70% of new home wo...If your RV air conditioner fan is not working, it may be due to unbalanced blades, motor issues, or a faulty blower. Several common reasons could be causing this problem, such as lack of cleaning, a broken thermostat, mechanical issues with the fan blades, or a burned-out fan motor.Jan 24, 2022 · When this happens, some AC won’t blow cold air while others will shut down completely. Easy DIY Fix: Locate the end of the condensation drain line (it’s often in a utility room) and visually ... Air Conditioner Fan Motor. Try turning the blade by hand. If the blade does not turn freely, this indicates that the motor bearings are worn out. If the motor bearings are worn out, replace the motor. If the blade turns freely, test the incoming power to the fan motor. If power is getting to the fan motor, but the motor won’t run, this also ...The circuit breaker has been tripped because of overheating. If the AC unit …If your window air conditioner’s fan isn’t working, there are a few possible reasons. First, check to make sure that the fan is turned on. If it is, then the problem may be with the air conditioner’s motor. If the motor isn’t working, you’ll need to replace it. Another possibility is that the air conditioner’s capacitor is defective.1,535. Asked by Vic Oct 27, 2014 at 01:50 PM about the 1995 Dodge RAM 1500 Laramie SLT LB 4WD. Question type: General. Heater fan will not blow air, just suddenly stopped. Fuse is good, fan motor removed and connected to power and works fine. Re-installed motor, ran direct power to it and runs fine. Test the fan motor. Connect the motor directly to 12-volt power with jumper wires to see if the fan spins properly. If it doesn’t, the motor is likely burnt out. Check the coolant temperature sensor. A signal from the coolant temperature sensor is what triggers the ECU to turn on the radiator fan, and if it’s faulty, it can prevent the fan ... Sep 4, 2564 BE ... Engine can be running or in the accessory position. This forces it to come off and on as you ground it. It is a pusher fan so air will be forced ... Air conditioner fan not working. 13 possible causes and potential solutions . Learn More. Featured Video. Video. 03:57. Air conditioner compressor won't run. Turn off and unplug the air fryer, then clean the fan area. Remove debris and gently brush the blades. This maintenance often restores the fan’s functionality. While cleaning the fan area and checking the motor are good first steps, there are other potential causes for an air fryer fan not working.However, repeated power issues should be looked at by a professional. Velocity Air Conditioning is currently celebrating summer with discounts on air conditioner tune-ups and qualifying HVAC equipment upgrades. To learn more or schedule your seasonal air conditioner tune-up, call 813-370-0299 …Common Symptoms of a Non-Working Compressor. Fan is Running But No Cold Air. Strange Noises from the Unit. Unusually High Energy Bills. Potential Causes of a Non-Working Compressor When Fan is Running. Electrical Issues. Faulty Wiring. Capacitor or Relay Failure. Mechanical Issues.Radiator fan not working when AC on. Generally, factors including blown relay, blown fuse, bad temperature switch, low coolant, and frayed wiring harness, can stop the AC from working. That said, below are reasons/fixes for your radiator fan not working when AC is turned on: 1. Low or no coolant at all. Your radiator fan may not be working but ...Car was running fine a week ago, and the ac fan stopped spinning all of a sudden. When I turn the knob on for ac, nothing happens. When I run the car in highway speeds, a bit of cool air comes through but no fan running. Then the ac started working just fine two days ago and today it’s gone again.Keep Your AC Fans Spinning. If you find you AC not working, there’s a problem in your unit. It could be something as simple as a dusty AC unit fan or something more complicated like an electrical issue. In any case, you need to get it fixed because the AC fan is an important part of your air conditioning system. By following the tips above ...Checking the Power Source. First, check to see if the air conditioning unit is receiving power. If the AC unit fan isn’t spinning, it could simply be because the unit isn’t powered on. Ensure that the air conditioning unit is plugged into a power source and that the power switch is in the “on” position.08 - Amana Air Conditioner Blower Motor. The blower motor may be burned out or worn out. First, check the fan blades. If the blades don’t spin freely, replace the blower motor. Second, make sure that power is getting to the blower motor. If the blower motor is getting power but the motor still won’t run, replace it.An oscillating fan rotates from side to side while blowing cold air out. Because of this movement, it is more effective than a stationary fan. While a stationary fan can only push ...The fan does not rotate fast enough. When the AC is on, the fans do not turn on. After you shut off the AC, the fans do not turn off. The fans run irregularly. When the fans do not turn on when you turn the AC on, you must turn off the AC. It is a clear sign that there is a problem with the motor. So, since the fan …3. Unplug Coolant Temperature Sensor. Another way to determine if the coolant temperature sensor is the problem is to disconnect the sensor. In most car models, the radiator fan should start when the coolant temp sensor …9 Common AC Problems. If your car AC is not working the way it should, it could be caused by one of these common AC problems. 1. Clogged Cabin Filter. Your car’s cabin air filter helps to keep the air in the vehicle clean and free from dust, pollen, and other pollutants. Over time, these particles can accumulate in the filter and obstruct the ...If “yes”, check for any loose connectors, signs of corrosion, broken wires (animals may chew wires). Then confirm power to A/C Control Module (pins 15, and 32 on A/C Control wiring harness. Next check A/C Control Module ‘Ground’ wires (pin 34 on same harness). If ‘Power’ and ‘Ground’ exist, possible dud A/C Module.
The most common causes for AC fan blower motor not working in Chrysler Town and Country are blown fuse, bad relay, resistor or control module malfunction and faulty blower motor. However, a bad electrical connector or broken wire, or a defect in the climate control unit can also cause the blower motor to stop working. 1.. Robinhood movie
You Have A Bad Capacitor (Most Common Issue Causing AC Fan Not Spinning) A dead …Sep 3, 2023 · Take the time to visually inspect the components of the A/C system, such as the compressor, condenser, and A/C lines. Look for any signs of physical damage, corrosion, or leaks. Damaged or worn-out components can compromise the functionality of the A/C system and lead to potential failures. If there is a problem with your starter relay, then the power will not be able to get from the capacitor to the compressor. In this situation, the compressor will not receive the needed electricity and will not work. #4. Defective compressor contactor. If your compressor sounds weird, you may have a problem with a failing …Jacob Watson, Sr. Director, Contractor Engagement at American Home Shield adds to double-check that 'the thermostat set to “Cool” (versus “Fan Only”)'. 2. A tripped circuit breaker. If your AC isn't turning on at all, both Carrino and Carson say this is likely a tripped circuit breaker or faulty wiring. The solution: Carson says to ...02 - Goodman Air Conditioner Fan Motor. Try turning the blade by hand. If the blade does not turn freely, this indicates that the motor bearings are worn out. If the motor bearings are worn out, replace the motor. If the blade turns freely, test the incoming power to the fan motor. If power is getting to the fan motor, but the motor won’t run ...Broken radiator fan. When the cooling fan fails to turn on both when the AC is on and off, the fan itself can be the culprit. The cooling fans have an electric motor inside that powers them to spin. If the motor fails, it won’t power the fan blades to spin. If only one radiator fan is working, check the other one.Test the fan motor. Connect the motor directly to 12-volt power with jumper wires to see if the fan spins properly. If it doesn’t, the motor is likely burnt out. Check the coolant temperature sensor. A signal from the coolant temperature sensor is what triggers the ECU to turn on the radiator fan, and if it’s faulty, it can prevent the fan ...A properly functioning AC unit is a must in sweltering hot summers. It’s easy to panic if you notice your air conditioner isn’t working correctly. One common problem is an AC unit with a fan that is not spinning and that is hot. If the fan on your AC unit isn’t spinning, there could be a problem with the capacitor and/or motor.Common Symptoms of a Non-Working Compressor. Fan is Running But No Cold Air. Strange Noises from the Unit. Unusually High Energy Bills. Potential Causes of a Non-Working Compressor When Fan is Running. Electrical Issues. Faulty Wiring. Capacitor or Relay Failure. Mechanical Issues.08 - Air Conditioner Blower Motor. The blower motor may be burned out or worn out. First, check the fan blades. If the blades don’t spin freely, replace the blower motor. Second, …Air conditioner fan not working? This video provides information on how to troubleshoot an air conditioner and the most likely defective parts associated wit...A. The radiator fan may not be working when the AC is on due to a faulty fan motor, a blown fuse, a malfunctioning relay, or a problem with the temperature sensor. It’s important to have it diagnosed and repaired by a professional to prevent overheating and potential damage to the engine.Check the circuit breaker: If the fan is not working at all, check the circuit breaker to ensure that it has not tripped. If the breaker has tripped, reset it and try turning on the AC system again. Check the air filter: A clogged air filter can reduce airflow and cause the fan to stop working. Clean the air filter and replace it if necessary.02 - Carrier Air Conditioner Fan Motor. Try turning the blade by hand. If the blade does not turn freely, this indicates that the motor bearings are worn out. If the motor bearings are worn out, replace the motor. If the blade turns freely, test the incoming power to the fan motor. If power is getting to the fan motor, but the motor won’t run ...Make sure the outdoor breaker fuse is positioned correctly. Check your electrical panel for a tripped breaker. Confirm that your thermostat is switched on. Check for a clogged air filter. Check your condensate pump for proper operation. If you check these and all is in order then read on for other solutions to AC problems. 02 - Central Air Conditioner Fan Motor. To determine if the fan motor is working, use a multimeter to test the incoming voltage to the motor. If the fan motor is receiving the correct voltage but the motor still won’t run, inspect the capacitor to ensure that it is not at fault. If the capacitor is not bulging or leaking, replace the fan motor. Start with the Thermostat. Make sure it’s working. If the screen doesn’t light up, change the batteries and try to turn on your AC. Adjust the temperature up to 78 degrees, let it sit there for five minutes, then turn it down to 70 and see if your AC fan starts up. If not, then, your thermostat isn’t the issue.Jan 24, 2022 · When this happens, some AC won’t blow cold air while others will shut down completely. Easy DIY Fix: Locate the end of the condensation drain line (it’s often in a utility room) and visually ... Broken radiator fan. When the cooling fan fails to turn on both when the AC is on and off, the fan itself can be the culprit. The cooling fans have an electric motor inside that powers them to spin. If the motor fails, it won’t power the fan blades to spin. If only one radiator fan is working, check the other one..