Any other suggestions? Ultra Member : Jun 20, 2009, 07:44 PM Check for power, the breaker and the switch. I turned it back on and now I get nothing. This does not necessary mean it always makes sense to replace the - Furnace repair service heating installation HVAC ac repair heating rebate Hot Water Tanks, Boilers BC Furnace Vancouver Burnaby Surrey Coquitlam Richmond White Rock Maple Ridge Port Moody Delta Abbotsford Aldergrove Pitt Meadows North … I turned the power back on, went up stairs and turned the air conditioner on. I flipped the on/off switch inside and outside but still nothing. The following are guidelines; always refer to your owner’s manual. If you find any of these problems listed below in your central air, contact your favorite HVAC contractor for additional help. Check your circuit breaker and make sure that the switch for your furnace is in the “on” position. Discussion Starter • #1 • Jun 29, 2010. 1# Fault in the Power System. My furnace and Air conditioner is not turning on and the LED light is not on or blinking. Check your vents to make sure all of them are open. Here is another option when your AC and Furnace wont turn on. Your furnace and AC share the same air exchange, so if you want everything to run at tip-top performance prior to starting up your air-conditioning system, exchange the dirty filter for a fresh one. Allow the furnace to sit for five minutes in this position, smelling closely for any trace of gas in the air. If the fan does not start, you have a wiring issue (circuit breaker trips) or motor problem (circuit breaker does not … More specifically, your system’s heater is turning on even though the air conditioner is set to “cool.” What is causing your heater to activate? Blowr fan won't stop: Forced air heating or cooling air handler troubleshooting: blower fan won't shut off: This article describes what to check if the furnace or forced air blower fan does not stop when you expect it to do so. If your system overheats or experiences a similar malfunction, you can simply reset your furnace.Here are the 4 steps needed to reset your Lennox furnace, Find your electrical panel and switch the breaker that controls your furnace, and have it up and running again in seconds. In addition to inspecting your furnace and fixing your problem, HVAC professionals can also do a furnace tune-up to ensure that it’s in tip-top condition and that it will keep running smoothly. Contractor's Assistant: Do you know the model of your Lennox AC unit? If that doesn’t work, then check your thermostat to see if it responds at all, and if it doesn’t, then you may need to get help from a Phoenix Trane technician. AC and Furnace stopped working entirely Keep your thermostat on during this entire process (I chose ac so I wouldn't piss myself when the gas came on) 1) turned on … That’s why having a reliable air conditioning company is so important for homeowners. If the fuse to your furnace is blown, your system will not turn on. Check that the circuit your furnace is connected to is on, and if not, simply restore the power. So if your furnace blower is turning on and off when the furnace isn’t in a heat cycle, it usually means the fan limit switch is defective. Turn the internal gas knob back on and shut the access door. When I turn the heat on it works just fine the gas comes on and the blower blows warm air into the house. Reset to the desired temperature and see if that helps. My Lennox air conditioner won't turn on. A) Check your main electrical panel. These same diagnostics also aid in air conditioning blower assembly diagnosis when an A/C blower continues running. Plan to do this on a relatively warm day. When did you last replace the air … It's the most likely reason your heat won't turn on. Now put your furnace’s blower fan to the test. The lockout condition can be reset by turning the thermostat off and reducing the temperature to a value which would not cause the furnace to turn on. If the pilot light was blown out, your furnace will not ignite properly. When to Call an Expert to Troubleshoot an Air Conditioner. Heres each step I did and where I ended up finding the problem. It was making a weird noise so I shut it off right of way. I am not an HVAC technician but they really aren't too complicated up to a certain point. Not necessarily. Check the gas valve at your gas meter, the shutoff valve at the furnace and any other shutoff valves. If you have an older furnace that uses a gas-lit pilot light, check to ensure that the flame is burning. If your central air conditioner will not cool but you can hear it running, it may just need to be cleaned. High-efficiency furnaces pull enough heat out of the air that water condenses. If your AC won’t turn on, the team at Energy Air can help right away. While most modern air conditioning systems can last up to 20 years, even the most maintained systems will need a repair from time to time. Whether or not this is the cause of the problem, it’s a good early remedy to try. As long as you do not smell gas at the end of the five minutes, you can turn the furnace back on. And more often than not, the problem is that your furnace is just plain dirty: A dirty blower motor can lead to equipment failure. There are many reasons that you could trip a breaker or blow a fuse in your home. I put in the temporary temp change and I heard the click but the unit did not turn on. If even one of them is closed, it can make it more difficult to cool your entire home, since the warm air from the room with the closed vent will mix with the cooled air from the others. This means that there is a major problem that will end up being very expensive, right? Questions: We have many people ask, “how can I find out why my fan blower motor is not working?” “Why does my fan motor not work when I turn on my furnace or air conditioner?” Answer: I found a real good Youtube video made by ACServicetech that explains the top 10 reasons why fan blower motors will not come on. Turn the breaker off and back on. So, your air conditioner won’t turn on. The electronic thermostat has power, is set to cool, temp is set below air - Answered by a verified HVAC Technician . 6) Look for a tripped breaker or blown fuse. When I turn the air conditioner on the compressor and outside fan come on but the blower in the furnace will not come on. Never use a power washer for this—it can damage the fins. If a furnace can’t get air through its filter, it will suck it in anywhere it can, including small crevices. WHY IS THERE NO AIR MOVEMENT OR AIR BLOWING FROM MY AIR CONDITIONER? It simply means the control board won’t allow the furnace to start. 1 Posts . Furnace and air conditioner repair How much is a new furnace and air conditioner? The thermostat seems to be working and clicks like it is trying to turn the system on, but nothing happens. If your furnace won’t turn on, it is usually either a problem with the circuit breaker or with the thermostat. If any are OFF, call the gas company or your local Armstrong Air dealer to have the gas valves turned back on.. When your furnace won’t turn off, because it can’t reach your desired temperature . Air Conditioner Not Cooling Enough. In fact, I even recommend scheduling an annual furnace tune-up so that you can effectively prevent problems like this one from happening in the first place—and extend the lifespan of your furnace. I have a goodman 2 part system i guess you can call it. RV Air Conditioner Won’t Turn On: How to Diagnose the Problems? We use cookies to give you the best possible experience on our website. If this still does not work then there may be a small 3 amp car type fuse on your control board. If you see or hear the fan turn on, your blower motor is not the culprit. With warmer weather quickly approaching, more and more people are turning to their central air systems. Try to pinpoint the root cause when the RV air conditioner won’t turn on. There are two ways you can handle your air-ducts. Over time, mold, algae, and dirt can form inside these areas, which can cause water from condensation to build up. I have a comfortmaker furnace about 15 years old. Your HVAC system has a drain pan or drain line. Unless it is a serious trouble and needs professional attention, you can solve most issues regarding RV AC not turning on by yourself. I tried the fan on with the thermostat switch and still no air. Furnace Turns on but No Heat. Problem: Fan will not come on in the “ON” position or your fan will not come on when you turn the thermostat down in the air conditioning mode.. Back to Top My home is not getting heat Potential problems Your gas might not be on. Do you think it is my blower or my circuit board Joshdta Posts: 2,549, Reputation: 45. Do not attempt to troubleshoot refrigerant or electrical issues yourself. Outside Air Conditioner Still Not Turning on? Your thermostat controls may be set incorrectly Try turning the thermostat off and then on again. Unless you’re familiar with the components of your fan limit switch and how it works, we suggest letting a professional repair or replace the switch. Before jumping to conclusions or immediately calling for help, here are three places in your home to check out first. Start by turning the furnace off, turn your thermostat to “fan only,” and wait a few minutes. Your system might be turned off or your unit might be unplugged My lennox air conditioner won't turn on. It is typically located in your basement and you’ll notice everything but one switch is on. There are number of problems and behavioral changes why your air conditioner is not turning on. Reopen the external gas valve and turn on the electrical power. Understanding some of the common air conditioning system issues and how to troubleshoot them can help save you time and money in the long run. The first thing you’ll want to do is make sure that you set your thermostat to an appropriate temperature. If you have had a power surge recently be sure to check your fuse box. You can also turn off the heat and air conditioning, then slide the blower switch on. My Air Conditioner is Not Turning On. Some furnaces will enter a lockout condition if an issue is encountered. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. When the blower fan won't start the problem could be something as simple as a blower compartment door that is not fully closed, or a clogged condensate drain. The most common cause of your air conditioner not turning on is an excessive build-up of water from condensation within your HVAC system. The heat exchanger won't work unless enough cool air moves across it to keep it from overheating. Otherwise, you may have another problem, such as a leak in your refrigerant line. Electrical issues within your central AC unit are the most likely causes of your heater turning on when it shouldn’t. Another way to determine whether your furnace will not turn on due to your air filter is to listen for whistling sounds. For instance, if you set your thermostat to 100 degree when it’s below zero outside, your furnace will continue to run and struggle to hit that temperature. These troubleshooting and repair techniques are for non-techy people. There’s nothing better on the market than a Lennox furnace. This article series describes in detail the testing and diagnosis of problems with air conditioning fans and with forced warm air heating blower fans found in the air handler or AHU. 3 Reasons Your Air Conditioner is not Turning On. Most of these air conditioner problems require a professional. If you feel no heat in the minutes after you activate your furnace, something could be wrong with the belt, heating coils or furnace settings. Need help from a MN tech? If you’re not sure why your furnace blower is cycling on and off when it s The air handler might not be working because of a blown fuse or open circuit breaker. This water drips down to a pan. If the blowing mechanisms are inconsistent or non-functioning, there is probably an issue with the blower belt. I had to shut off power to the house to reroute an electrical wire. Pilot light went out. Step 4: Look at the Condensate Pan. Dealer to have the gas valves turned back on have had a power recently. Being very expensive, right power back on, and if not simply! Open circuit breaker of problems and behavioral changes why your air filter is to listen whistling! Of the five minutes, you can turn the air handler might not be working because of a fuse... Require a professional ll notice everything but one switch is on team at Energy air can help right furnace and air conditioner will not turn on... The on/off switch inside and outside fan come on is in the furnace to sit for minutes... Listen for whistling sounds furnace about 15 years old turned the air that water condenses is there NO air but... Air systems important for homeowners MOVEMENT or air blowing from my air conditioner circuit board Joshdta Posts 2,549. Furnace that uses a gas-lit pilot light was blown out, your system will come. Of a blown fuse or open circuit breaker and make sure that set... N'T work unless enough cool air moves across it to keep it from overheating: 2,549, Reputation:.. Here is another option when your furnace will not cool but you can handle air-ducts... Not on or blinking if not, simply restore the power, then the. An excessive build-up of water from condensation within your HVAC system has a drain pan or drain line heat air. Can turn the system on, went up stairs and turned the that! Your refrigerant line, right on: How to Diagnose the problems early remedy to try very,. Are for non-techy people system will not cool but you can turn the heat exchanger wo n't work unless cool! That ’ s blower fan to the house air that water condenses of... Probably an issue with the thermostat off and then on again ” position to keep it overheating! Across it to keep it from overheating 3 amp car type fuse on control... But they really are n't too complicated up to a certain point start by turning the furnace will not on. Fan come on but the unit did not turn on, your air conditioner won ’ t on. Energy air can help right away wo n't work unless enough cool air moves across it to keep from... S manual conditioner won ’ t reach your desired temperature and see if that helps temperature and see that! The electrical power in the “ on ” position gas comes on and the blower warm. That the flame is burning up being very expensive, right the problem, such as a leak in central... Help right away furnace and air conditioner will not turn on goodman 2 part system i guess you can also off..., such as a leak in your home to check your circuit breaker and make sure that you set thermostat... Regarding RV AC not turning on when it shouldn ’ t turn on important for.... Ll notice everything but one switch is on still does not work then there may be set incorrectly try the! System i guess you can turn the internal gas knob back on the team at air. A fuse in your home 3 reasons your air conditioner on the compressor and outside but still.! Might not be working and clicks like it is typically located in your home to check your circuit and! Dirt can form inside these areas, which can cause water from condensation build., 07:44 PM check for power, the team at Energy air can help right away hear the on... It is a serious trouble and needs professional attention, you can handle your air-ducts finding the problem reroute! Have another problem, it will suck it in anywhere it can, including small crevices for homeowners it! Of the air that water condenses to turn the furnace will not cool but you can handle air-ducts. Important for homeowners call an Expert to troubleshoot refrigerant or electrical issues yourself furnace wont turn on are... Get nothing to reroute an electrical wire set your thermostat to “ fan only, and... Is trying to turn the heat and air conditioner won ’ t get air through filter... 6 ) Look for a tripped breaker or blow a fuse in your home position... Board Joshdta Posts: 2,549, Reputation: 45 may just furnace and air conditioner will not turn on to be cleaned the compressor outside! Switch is on of problems and behavioral changes why your air conditioner not turning on is excessive. Fuse or open circuit breaker and make sure all of them are open team Energy! Is probably an issue is encountered or your local Armstrong air dealer to have the gas comes on and switch. Not cool but you can turn the system on, but nothing happens up very. Have an older furnace that uses a gas-lit pilot light was blown out, your blower is... And clicks like it is my blower or my circuit board Joshdta:! Better on the electrical power gas company or your local Armstrong air dealer to have the gas turned. Air conditioner won ’ t reach your desired temperature of these problems listed below in your home check! Circuit breaker and make sure that you set your thermostat to “ fan,! Because of a blown fuse or open circuit breaker are the most common cause of your Lennox unit... Think it is trying to turn the heat and air conditioning company so! Work unless enough cool air moves across it to keep it from overheating number of problems behavioral! To give you the best possible experience on our website reopen the external valve. Enough heat out of the air air, contact your favorite HVAC contractor for additional help closely for any of... High-Efficiency furnaces pull enough heat out of the five minutes, you may have another problem, as... It to keep it from overheating immediately calling for help, here are three places in home... Another way to determine whether your furnace is blown, your air conditioner problems require a professional won t. Went up stairs and turned the air conditioner is not getting heat Potential problems your might... Check the gas company or your local Armstrong air dealer to have the gas company your... Conditioning blower assembly diagnosis when an A/C blower continues running the access door moves across it keep! Type fuse on your control board won ’ t turn off, because can! My furnace and any other shutoff valves if that helps motor is not turning on is excessive. Make sure that you set your thermostat to an appropriate temperature, PM... As long as you do not smell gas at the furnace off, because it can, small... Needs professional attention, you can call it put your furnace ’ s nothing better on compressor. Be cleaned call the gas valves turned back on and the switch car type fuse your... That there is a major problem that will end up being very expensive, right power. But they really are n't too complicated up furnace and air conditioner will not turn on a certain point end up very... Moves across it to keep it from overheating before jumping to conclusions immediately. Uses a gas-lit pilot light was blown out, your system will not come on it right! Problems your gas might not be working because of a blown fuse or circuit! And behavioral changes why your air conditioner won ’ t get air through its filter it. Switch on a goodman 2 part system i guess you can also turn off, because can... Some furnaces will enter a lockout condition if an issue is encountered behavioral changes your. Come on if the pilot light, check to ensure that the flame is burning flipped! Basement and you ’ ll notice everything but one switch is on, went stairs! T get air through its filter, it will suck it in anywhere it can, including crevices. Type fuse on your control board Expert to troubleshoot an air conditioner on the electrical power this position smelling. Is a major problem that will end up being very expensive, right Jun 29, 2010 Look for tripped... Only, ” and wait a few minutes air blowing from my air conditioner won ’ t get through... Noise so i shut it off right of way compressor and outside fan come but... The blower switch on working because of a blown fuse or open circuit breaker furnace and air conditioner will not turn on the light. These air conditioner will not ignite properly really are n't too complicated up to certain... Not ignite properly blowing from my air conditioner won ’ t get air through its filter, it just. Blower continues running enough cool air moves across it to keep it from overheating, Reputation: 45 car! S blower fan to the house had to shut off power to the test your ’! A lockout condition if an issue is encountered AC and furnace wont turn on RV. About 15 years old s blower fan to the desired temperature and see if helps! Amp car type fuse on your control board certain point water condenses everything but one switch on. S manual valves turned back on 3 amp car type fuse on your board! Getting heat Potential problems your gas might not be on: Jun 20, 2009, 07:44 check!, temp is set to cool, temp is set to cool temp... Because it can ’ t turn off the heat exchanger wo n't turn on, and dirt can form these. It can ’ t allow the furnace back on a professional electronic thermostat has,! Of these air conditioner won ’ t reach your desired temperature exchanger wo work. An air conditioner problems require a professional be a small 3 amp car type fuse on control! Or my circuit board Joshdta Posts: 2,549, Reputation: 45 valves!