Air conditioner won't turn on - Jun 28, 2021 · Here are 7 reasons why your central air might not be responding. 1. Thermostat Issues. Check the AC thermostat first. It must be powered on with a functional battery before you have any hope of the air conditioner working. You also should check that the thermostat is not broken and is properly calibrated.

 
Aug 12, 2023 · In this comprehensive guide, we’ll delve into the six critical areas that could be the source of your AC woes. From power problems to thermostat tantrums, we’ll unravel the mysteries behind your air conditioner’s refusal to cool, providing you with the insights needed to restore the comfort of your indoor sanctuary. . Oden project

One of the common reasons why an RV air conditioner may refuse to turn on is because of a faulty thermostat. The easiest way to tell if the thermostat is defective is when the AC unit turns on when the wires touch each other. A multimeter can be used to check the voltage of wall-mounted thermostats. But, you will need to check the control board ...Unplug the unit before you clean your air conditioner to improve its operation. It's easier to clean your air conditioner if you remove it from the window. Clean or replace the filter, straighten the fins, spray the coils, and wipe down the fan blades. If your air conditioner still isn't working, you can call Haier at 1-877-337 …First turn off the mains power. Locate the tub, pump, and drain line. If you have a handheld vacuum, vacuum up any excess moisture in the container. Then disconnect the drain line and vacuum the blockages inside with the handheld vacuum cleaner. If you don’t have a handheld vacuum, use water or compressed air.Apr 3, 2018 ... Why Is My AC Outside Unit Not Turning On? · Clear, Clean, and Test It Early. Spring air conditioner maintenance is the key to catching any ...Air conditioner compressor won't run. 14 possible causes and potential solutions . Learn More. Featured Video. Video. 03:58. Air conditioner won't turn off. 7 possible causes and potential solutions . Learn More. Featured Video. Video. 02:16. Air …Your furnace unit might have a reset button attached to it. Locate this button and press and hold for several seconds, then release. Alternatively, there might be a switch located on the wall near ...May 8, 2021 ... In this HVAC Training Video, I show the Troubleshooting of an Outdoor Condensing Unit for Air Conditioning. I go over 10 possible problems ...Try these easy HVAC fixes before you call for repair help · Check your breaker or fuse box. If your breaker is tripped, flip to off first and then to on. · If .....Step 2: Inspect the Capacitor. If resetting the circuit breaker doesn’t resolve the issue, next, inspect the capacitor. Before doing anything, turn off the power to your AC at the circuit breaker so you can safely inspect the unit. Carefully remove the metal covering over the top of the capacitor to expose it.In this video we will guide you and give you all the ways to troubleshoot the problem when your air conditioner doesn’t turn on. You might be able to fix some of …Domestic frig won't stay cool: cegardner: General Repair Forum: 17: 07-19-2015 11:15 PM: Domestic freezer door won't open!! LiLNomad: General Repair Forum: 4: 08-21-2013 10:10 AM: Google Turn-by-Turn Navigation: techiej: Electronics & Connectivity: 19: 12-27-2012 06:55 AM: Bedroom Lights Don't Turn On/Turn Off and turn back on …Problem. Likely Cause. Recommended Fix. 1. Daikin AC Won’t Turn On (Lamp Off) Lack of power (power outage, AC not turned on, loose power cord, tripped breaker or blown-up fuse), non-responsive remote, incorrectly set timer, or burnt PCB. Ensure your AC has power. Ensure it’s turned on and firmly plugged in. Reset a tripped breaker, and ...Friedrich Air Conditioner Not Turning On/Not Working. A Friedrich AC that’s not turning on has power issues such as an unplugged cable or failed power supply. The circuit breaker may also be tripped or the fuse is blown. Always check first if the AC power cable is plugged in if the unit won’t turn on before …Another reason the RV air conditioner won’t turn on is the faulty thermostat. It is defective if touching its wires to each other turns on the AC system. In the case of a wall-mounted thermostat, use a multimeter to check its voltage. However, you should examine the AC system’s control board if both thermostat and capacitors are functioning.If your air conditioner is running or won’t turn off, but not lowering the temperature inside your home, there are a few things that could be the problem: The thermostat is set …Troubleshooting. 1. Amana AC Won’t Turn On. Turned-off compressor, incorrectly set thermostat, tripped breaker, faulty power cord or outlet, clogged air filter or outdoor unit, or wiring fault. Turn ON the compressor (if it’s OFF), set the thermostat on COOL or AUTO mode, reset the breaker (if tripped), and replace a faulty power cord or ...Nov 5, 2022 · Here’s how to fix it. Quick answer: To fix a portable AC not turning on, check fuses and circuit breakers. Ensure the wall outlet is powered. Check clogged air filters and the drain pan. Check for internal ice buildup and verify that compressor and ducts are sealed. Don’t worry! The most common reason that your Air Conditioner fan won’t turn off is because there is a stuck relay keeping the circuit closed. If it’s not the relay, your thermostat likely has failed, or has a shorted cable. While there are other reasons, these are the most common. Before calling a service technician to start replacing …First turn off the mains power. Locate the tub, pump, and drain line. If you have a handheld vacuum, vacuum up any excess moisture in the container. Then disconnect the drain line and vacuum the blockages inside with the handheld vacuum cleaner. If you don’t have a handheld vacuum, use water or compressed air.Aug 10, 2020 ... Is your AC unit not turning on? Has your AC stopped working and you can't figure out why? Let the AC professionals at BGE HOME help.Haier air conditioner won’t turn on. If your Haier air conditioner does not turn on, you likely have a power issue. Make sure your electrical outlet is working and that the air conditioner is plugged in completely. Test either a GFI or a GFCI found on your air conditioner plug to see if it’s tripped. Defective Main Control Board. The main ... To check if your air conditioning has this switch, look at the inside portion of your unit, and all around it as it should be relatively close to the A/C. If it’s there, switch it ON, and try your A/C again. If your air conditioner still won’t turn on after you’ve tried all of the above steps, it’s time to call in the A/C repair technician. Jun 24, 2015 ... If your air conditioner will turn on, and your thermostat is set properly, but your system is not cooling you may have a dirty or blocked air ...People have become used to just pressing a few buttons on the remote control to turn appliances on and off. So when the remote control stops working, they tend to panic immediately. But what you need to know is that there’s a way for you to manually turn on your air conditioner. There’s a power button on the main unit of your AC.Garrison air conditioners are produced by Garrison Heating and Cooling Products. The company also produces heat pumps and gas and electric water heaters for home and industrial use...However, if the powerpoint is fine, but the AC still won't start, you can consider another resetting method. 4. Reset the AC Through the Switchboard. If the ...If your AC is in a window that gets direct sunlight in the heat of the day, it will have to work harder to cool your space. If you have a choice, move it to a shadier spot. If you don’t, keep ...Sep 3, 2023 · Recharging the refrigerant to the appropriate level is necessary to restore the cooling performance of your car's A/C system. Additionally, other potential causes for a running but non-cooling A/C system include a malfunctioning compressor, a faulty expansion valve, or a problem with the condenser. 4. Hisense Portable AC Won’t Drain. A clogged or loose drain line or dirty evaporator coils. Unclog a clogged drain line and ensure it’s not loose, and if the evaporator coils are dirty, clean them. 5. The Remote Won’t Work. Long-range use, possible barricade, exhausted batteries, or remote malfunction. This is usually due to your AC’s relay turning your AC on and off. If that clicking is loud and/or continues for more than a few seconds, you probably have an issue with a broken relay or a worn wire in your thermostat. Contact a professional technician to identify and fix the problem. The bottom line: If the thermostat is the culprit, you ...An issue with the thermostat, such as weak signals, old batteries, etc., may prevent it from signaling the AC to turn on. A few common reasons for thermostat issues are that someone simply turned it off, its battery died, wrong settings, dirt, corrosion, loose wires, or blown fuses. You can fix a few by turning on the thermostat, replacing ...In this comprehensive guide, we’ll delve into the six critical areas that could be the source of your AC woes. From power problems to thermostat tantrums, we’ll unravel the mysteries behind your air conditioner’s refusal to cool, providing you with the insights needed to restore the comfort of your indoor sanctuary.Feb 14, 2024 · A dirty filter can block airflow and prevent the portable AC unit from cooling the room. Turn off the portable AC unit and unplug it to clean the filter. Then, remove the filter and wash it with soap and water. Let the filter dry completely before putting it back in the portable air conditioner. If you want to turn the self-diagnosis of your Amana air conditioner on, follow these steps: Find where the "Up" and "Down" arrow buttons are situated on the air conditioner. Hold the two buttons down at the same time. Tap the "Cool" button twice as you hold the two buttons down. Allow a few moments for the display to update.2# The Control Board. Another reason for the RV air conditioner won’t turn on is a technical glitch in the control board. Check the wiring and connections in and out of the board. The AC won’t run if any of them is broken, loose, or burnt. A frayed or loose wire can be fixed easily.Check if the batteries are dead or not. Try to change the settings on the thermostat and see if they work out or not. If you find the thermostat isn’t working properly, you will probably have to replace it. Checking The Filters. Check the air filter of your AC. Especially, if you haven’t changed it in a long time.Apr 24, 2013 ... If your air conditioner won't work at all, there's a good chance that something is amiss with its compressor. This may sound like dire news, ... Check Your Thermostat. If you're dealing with your AC not turning on, check the thermostat first. Make sure it is set to the "Cool" setting and that the desired temperature is lower than the current room temperature. In the event your monitor doesn't display anything, change the device's batteries. Here’s how to fix it. Quick answer: To fix a portable AC not turning on, check fuses and circuit breakers. Ensure the wall outlet is powered. Check clogged air filters and the drain pan. Check for internal ice buildup and verify that compressor and ducts are sealed. Don’t worry!Make sure that your thermostat is set to “cool.” If your thermostat is still set to heat, it won't turn on. You should also check the temperature on your ...Air conditioner won't turn on. The remote has a normal display but the wall unit doesn't seem to respond. The system is turned on outside. Could it be a problem with the remote or is it going to be more expensive to fix than that? Tried changing batteries.Check the Air Conditioner on/off switch. Flip it to the “on” position to see if it starts working. If the window unit turns on and begins to run normally, great! If it does not, let’s take a look at the cord. 2. Do A Reset. Let’s take a look at how you can fix issues with your Frigidaire air conditioner. There's a good chance that the reason your AC unit won't turn on is because of one of these six common problems: Power Issues. Thermostat. Air Conditioner Needs to be Reset. Shut-off Switch. Inside Power Switch. Clogged Condensate Drain Line. Aug 28, 2023 · First, turn off the wall thermostat. Next, turn off the power breaker that controls the AC unit. Now, wait a minimum of 30 seconds before turning the breaker back on. Once the breaker is turned back on, you can turn on the wall thermostat. The second option is to reset the unit by pressing the pressure switch. When your cooling system won’t turn on, many Hoosier homeowners are quick to worry about such a major problem.When the temperature outside is hot, a home without air conditioning, a functional heat pump, or mechanical cooling system can turn your space into a warm, uncomfortable mess.A number of components could be involved in such an …1. Refrigerant is Leaking · 2. AC Unit Won't Turn On · 3. Frozen Coil · 4. Unit Cycles On and Off · 5. A/C Smells Weird · 6. Unit Blows Hot A...Check the Fuse. Modern air conditioners have an internal fuse for protection. If the air conditioner doesn’t turn on, it may be that the fuse is blown. Check the fuse box to see whether it’s functional. To verify that you are getting power, unplug the air conditioner and remove the fuse box’s cover.Your AC Won't Turn On · Problems With the Thermostat · Low Refrigerant Levels · Condenser Issues · Frozen Evaporator Coil · Blocked Air Ducts...Your AC Won't Turn On · Problems With the Thermostat · Low Refrigerant Levels · Condenser Issues · Frozen Evaporator Coil · Blocked Air Ducts...Check the Power Supply. Sometimes, a power switch can be accidentally turned off. Look for your home's central air conditioner power supply and make sure all the switches are turned on. Check to ensure that the power at the unit itself is on. Look for a switch that should be mounted near the equipment. Check the circuit breakers (or fuses, …Incorrect settings: First, check that your thermostat is set correctly. If you want to heat your home, make sure it’s set to “heat.”. If you want air conditioning, make sure it’s set to “cool.”. Overheated HVAC system: If the HVAC system runs briefly, shuts back off, and won’t turn on again, the equipment may …Tom’s heating and air conditioner can assist you in lowering the cost of your air conditioning services. Look for an AC specialist near you or call us at (479) 474-8850 for the best air conditioning services. Alternatively, you can send us an email at [email protected]. Schedule Service Request An …Without it, many air conditioner systems won’t know whether to turn on. A faulty thermostat may cause the AC system to randomly switch on and off. A variety of issues can impact the thermostat, including that the AC is not set to ‘cool’, it is set to a high temperature, the unit’s batteries may be dead, or the thermostat is …For troubleshooting and service, you can always rely on The Cooling Company at (702) 567-0707. Our dedicated technicians are experts in air conditioning and heating system reset, ensuring your comfort no matter the season. Keep your AC and heater running optimally. Schedule your HVAC maintenance, …Flip the switch off, then back to the “on” position. Wait for a few minutes. Resetting the internal circuitry of your HVAC system following a power outage takes time. Air conditioning repair technicians recommend waiting at least 30 minutes before proceeding to the final steps. Make sure your thermostat is set to “off” during this time.Air conditioner compressor won't run. 14 possible causes and potential solutions . Learn More. Featured Video. Video. 03:58. Air conditioner won't turn off. 7 possible causes and potential solutions . Learn More. Featured Video. Video. 02:16. Air …One of the common reasons why an RV air conditioner may refuse to turn on is because of a faulty thermostat. The easiest way to tell if the thermostat is defective is when the AC unit turns on when the wires touch each other. A multimeter can be used to check the voltage of wall-mounted thermostats. But, you will need to check the control board ...If the indicator light is OFF, ensure the unit is plugged in, reset the breaker if tripped, and replace a faulty outlet, power plug, or fuse Reset the AC if the indicator is GREEN or RED. Additionally, turn on the control panels power if it’s off. 2. LG AC Won’t Turn Off. Dirty condenser coils or faulty thermostat, relay board, thermistor ...People have become used to just pressing a few buttons on the remote control to turn appliances on and off. So when the remote control stops working, they tend to panic immediately. But what you need to know is that there’s a way for you to manually turn on your air conditioner. There’s a power button on the main unit of your AC.What to do when your thermostat doesn’t turn on your AC. First things first—you should always check the batteries in your thermostat if it’s not turning on your AC. Pull off your thermostat from the wall and check if it has a battery compartment behind it. Change out the batteries, reinstall the thermostat, and …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 …Make sure that your thermostat is set to “cool.” If your thermostat is still set to heat, it won't turn on. You should also check the temperature on your ...Jun 28, 2021 · Here are 7 reasons why your central air might not be responding. 1. Thermostat Issues. Check the AC thermostat first. It must be powered on with a functional battery before you have any hope of the air conditioner working. You also should check that the thermostat is not broken and is properly calibrated. An issue with the thermostat, such as weak signals, old batteries, etc., may prevent it from signaling the AC to turn on. A few common reasons for thermostat issues are that someone simply turned it off, its battery died, wrong settings, dirt, corrosion, loose wires, or blown fuses. You can fix a few by turning on the thermostat, replacing ... Incorrect settings: First, check that your thermostat is set correctly. If you want to heat your home, make sure it’s set to “heat.”. If you want air conditioning, make sure it’s set to “cool.”. Overheated HVAC system: If the HVAC system runs briefly, shuts back off, and won’t turn on again, the equipment may …Perform a reboot of the system. If you’ve ruled out that the remote is faulty, reset the system by turning it off at the main power, and leaving it off for about 30 minutes. If the problem persists once you have turned the power on again, we recommend you book a service so a technician can run a diagnostic check of the system. We may discover ...May 10, 2019 ... Why Won't My Outside AC Unit Turn On? · Check the Thermostat · Look for a Tripped Breaker · Change the Air Filter · Check the Shut-...1. Thermostat Issues Your thermostat is your way of communicating with your air conditioner. So, if the thermostat is not working properly, there is no way for … If it is blinking all lights and beeping at the same time, try to reset it first. Follow these steps: Turn your GE window air conditioner off. Unplug it’s power cord from socket (power socket). Wait for about 5 minutes. Plug your AC power cord back into it’s socket. To check if your air conditioning has this switch, look at the inside portion of your unit, and all around it as it should be relatively close to the A/C. If it’s there, switch it ON, and try your A/C again. If your air conditioner still won’t turn on after you’ve tried all of the above steps, it’s time to call in the A/C repair technician.Connect with our Customer Care team about your products, warranties, and dealer concerns. Available Monday – Friday from 7am to 5pm CST. 1-800-945-5884. A phone. If your AC won't shut off, there may be a number of issues in the background, like frozen coils or a clogged air filter. Find out how to fix the problem today.Check the Air Conditioner on/off switch. Flip it to the “on” position to see if it starts working. If the window unit turns on and begins to run normally, great! If it does not, let’s take a look at the cord. 2. Do A Reset. Let’s take a look at how you can fix issues with your Frigidaire air conditioner.Here are 10 common reasons why the A/C compressor won't turn on. Refrigerant levels. Electrical problems. AC compressor clutch. Evaporator temperature sensor. Pressure sensor. Engine faults. Bad A/C button or control module/head unit. A/C Compressor clutch relay. Bad A/C compressor. Broken drive belt. Refrigerant levelsIf your air conditioner won’t turn off and you’re unable to fix the issue yourself, don’t wait to give us a call. A NATE-certified HVAC technician will diagnose the system issue and fix problem components or replace them right away. Related Reading Williams Comfort Air 10640 E 59th St Indianapolis, IN 46236With the scorching heat of summer, many homeowners are turning to mini split air conditioners for their cooling needs. These compact units are known for their efficiency and versat...An issue with the thermostat, such as weak signals, old batteries, etc., may prevent it from signaling the AC to turn on. A few common reasons for thermostat issues are that someone simply turned it off, its battery died, wrong settings, dirt, corrosion, loose wires, or blown fuses. You can fix a few by turning on the thermostat, replacing ... 4. Hisense Portable AC Won’t Drain. A clogged or loose drain line or dirty evaporator coils. Unclog a clogged drain line and ensure it’s not loose, and if the evaporator coils are dirty, clean them. 5. The Remote Won’t Work. Long-range use, possible barricade, exhausted batteries, or remote malfunction. If silence has befallen your AC, let Alief Heating & Air Conditioning be the orchestrator of its revival. Your comfort, our commitment. Troubleshoot your silent AC …Jan 23, 2023 ... Dirty or restricted air filters and air restrictions. Frozen coils on AC (Refrigerant problems). There is no power to the thermostat. Restricted ...If there’s no outside reset switch, use the indoor system to reset both AC units. Turn off the breaker or thermostat and wait at least a minute before turning it back …Likely Explanation. Recommended Fix. 1. Honeywell AC Won’t Work. The wrong setting, dirty condenser coils, or a non-running fan. Set the thermostat on COOL, lower the temperature below room temperature, and set the fan on ON/Auto mode. Clean dirty coils and ensure the fan is running. 2.Average temperature differentials on an air conditioner thermostat, the difference between the temperatures at which the air conditioner turns off and turns on, vary by operating c...The dry mode of an air conditioner removes excess humidity from a room without providing additional cooling, states LG, a manufacturer of digital appliances. After the room tempera...1. The Thermostat Is on the Wrong Setting. Sure, it sounds like a no-brainer, but the reason your AC won’t turn on might just be that the thermostat is in the wrong setting. Check that your thermostat has power, and if it doesn’t, swap the old batteries for a new set. If your thermostat does have power, make sure the device is set to ...Nov 26, 2023 · RV Air Conditioner Won’t Turn On. If your RV air conditioner is not receiving power and won’t turn on, it’s typically an issue with the power supply or the breakers. Troubleshooting Tips. Test the RVs power supply: Plug an appliance into a 110v outlet in the RV to see if it works. If it works, then the power coming into your vehicle is fine. Your air conditioner runs on electricity, so if it won't power on, locate your home's electrical panel (breaker box). Look for a blown fuse or a tripped ...Make sure that this switch is turned on. Air Filter: If the air filter is very unclean, the appliance can turn off. If necessary, inspect the filter and replace it. Outdoor Unit: Look to see if there are any impediments or if the outdoor unit is very unclean. The AC may not turn on due to a filthy unit or obstacles.Friedrich Air Conditioner Not Turning On/Not Working. A Friedrich AC that’s not turning on has power issues such as an unplugged cable or failed power supply. The circuit breaker may also be tripped or the fuse is blown. Always check first if the AC power cable is plugged in if the unit won’t turn on before …Aug 12, 2023 · In this comprehensive guide, we’ll delve into the six critical areas that could be the source of your AC woes. From power problems to thermostat tantrums, we’ll unravel the mysteries behind your air conditioner’s refusal to cool, providing you with the insights needed to restore the comfort of your indoor sanctuary.

So, if your portable air conditioner won’t turn on, go to your breaker box and reset any tripped breakers. If the breaker keeps tripping, make sure other electronics don’t run simultaneously on the same circuit. Check Your Remote. Some portable air conditioner models come with remote control. If your portable AC unit has one, make …. Asiana business class

air conditioner won't turn on

Feb 21, 2024 · Push it back to the Off position, then all the way forward to the on position. Try turning your air conditioner on to see if it fixes the problem. If not, or if your circuit breaker won’t reset, call an electrician to take a look. There could be a problem with your wiring or a short circuit. 2. Check Your Thermostat. If you're dealing with your AC not turning on, check the thermostat first. Make sure it is set to the "Cool" setting and that the desired temperature is lower than the current room temperature. In the event your monitor doesn't display anything, change the device's batteries. Aug 19, 2020 ... Your window air conditioner is a machine, and like all machines it requires maintenance. Be sure to clean the coils and cooling fins through ...Try resetting the air conditioner. Some air conditioners have ‘reset’ switches near the outside unit. You can try pushing this button to see if it helps. If your air conditioner doesn’t have a reset button, try this: Turn off your AC at the thermostat. Wait 5 minutes. Turn it back on again.Ensure all power cords are plugged in and locate the thermostat control. Set the thermostat to the desired temperature. Find the unit’s main switch and turn it on. Check fan speeds and adjust as necessary. Press buttons labeled “start,” “run,” or similar to begin cooling. If no remote, locate power switch and turn it on.Power problems Faulty indoor blower motor Thermostat problem Malfunctioned safety devices Energy saving program Low refrigerant Clogged …Testing Your RV AC Capacitor. Switch off the AC circuit breaker to the RV. If you’re having trouble finding it, check in the electrical load center on your RV. If you’re connected to shore power, remove the connection. Head up to the roof of your RV and unscrew the protective housing around the air conditioner unit.May 27, 2018 ... Comments4.9K · Central Air Troubleshooting - Top 10 AC Problems · AC Won't Start - How To Troubleshoot & Replace a Contactor - 1 Pole vs 2 Po...Window AC Unit Won't Turn On. A window air conditioner typically plugs into a nearby wall socket. Check to see if it's properly plugged in and that the power cable isn't damaged if it won't turn on. Animals may chew on interior wires occasionally, or a person tripping over the cord may cause damage, ensuring that power is no longer …After trying to fix the air conditioner compressor and it still won’t turn on, it’s time for professional help. Sometimes, DIY fixes don’t cut it. This is especially true when the problem keeps coming back or gets worse. Professionals have the tools and knowledge to diagnose issues quickly. They can spot something you might miss.If it is blinking all lights and beeping at the same time, try to reset it first. Follow these steps: Turn your GE window air conditioner off. Unplug it’s power cord from socket (power socket). Wait for about 5 minutes. Plug your AC power cord back into it’s socket.Oct 25, 2023 · The process is simple if you know what you are up to. Start by disconnecting the AC unit from the electrical source, remove the panel to access the capacitor, check the voltage and capacitance rating, order a replacement, discharge the existing capacitor, remove it, and replace it. Double-check your work before turning the AC on to test it. 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. Power Play. If the unit isn’t turning on at all, go to your main electrical panel and check to see if the breaker has tripped. If it has, reset the breaker. If it immediately trips again once the AC unit is turned on, you should call a licensed HVAC professional as there is likely an underlying problem with the equipment. If your window air conditioner won't turn on, it may be that the fuse has blown. First verify that you are getting power to the unit and then unplug the unit ...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]Is your air conditioner not turning on? Don't panic, you can fix it yourself with this video tutorial from HVAC Training 101. Learn how to troubleshoot the most common causes of this …If your AC is not blowing cold air or running correctly, it could mean you have one, or more, of the following issues: The outdoor cooling coil may be clogged or blocked. The indoor air handler coil could be blocked. The filters may be clogged or dirty. The thermostat controls may be set incorrectly.GM Auto Tech. Vocational, Technical or Tra... 754 satisfied customers. 2009 Chevy Cobalt: key wont turn..AC and then wont turn..cant start. 2009 Chevy Cobalt has a problem. The key won't turn all the way to start. It goes to AC and then won't turn any further so can't start the car. Air … read more..

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