Don't clean the ignitior!!!! A furnace that starts then stops is a common issue also known as short cycling. Those things are very fragile, they'll break like a light bult. And clean them with a metal brush on outside and blow into it to get stuff out of it. Clicking – A clicking noise coming from your furnace is typically an indication of a faulty flame sensor or possibly a problem between the ignition and the gas. Keep reading if you are curious about the clicking and would like to understand the problem further. Grab a new part now, mine broke on a day that it was 0 degrees outside last month. It sounds fine to me no splashing or rattling. It is in a utility Closet on the first floor there isn't much around the furnace. It heats water to send it to the ground floor, the upper floor, plus an adjacent building. Thanks. The fan motor turns on to pull air to the burner. Only sometimes is there an accompanying whooh. Like 20+ years old. This buildup gets more severe when your furnace filter is dirty and/or you skip annual tune-ups for your system. I hear the sound of the furnace starting up, but before the blower comes on, it just stops. There are two primary reasons why your furnace might make a banging sound when starting: Dirty furnace burners. Electrical components — Electric furnaces have heating elements that make up the starter system. Knocking, banging and clanking noises are not normal for most appliances, but furnaces are an exception. I think the one thing you know (nearly?) I noticed last night that when my gas furnace started that it would make the clicking noise as it normally does, but then shut off, and then make the clicking noise again and then finally start. I turned the unit off today because I worried about leaving it to do that while I was at work. I hear this constant clicking when the furnace should be starting. It does this every few minutes. This is caused by the fan bearings being worn out. It's a natural gas furnace. Putting the horns back is important because the gas flows between the horns and that's how the furnace gets the gas. Better safe than sorry; you should handle a bit of routine maintenance before your furnace starts running 24/7. Clicking can also happen if soot or grime builds up on the fan blades. Heating and Cooling. Electric Furnace Troubleshooting. Learn what might be causing it and how to fix it. For St. George summers a good reliable HVAC company is incredibly important. A “short-cycling” furnace (when your furnace keeps turning off and on) will typically only run for a minute or two (or less) before shutting off. “If your unit is 90 percent efficiency, make sure to clean drain lines,” Eli says, referring to the fuel-efficiency rating that identifies a furnace as a high efficiency model. All of the above are issues an HVAC technician should fix. In other words, there’s an ignition system malfunction that needs to be fixed. They fit kind of layered, 1 side going under the neighbor's and then above the next one (why you have to twist it to get out). If you live in St. George, you can give us a call at Alpine Temperature Control to come diagnose and treat your clicking furnace. I have used Alpine for 8 years and will continue to do so. Every furnace has a blower designed to propel air from the furnace into the air ducts of the house. This problem is especially troublesome when you are not getting heat at some point during the very cold winter months. I also noticed that between all the starts and stops I do smell some gas... not a lot, but I'd rather not smell any! In this case it will need to be exchanged for a new one. Posted by 1 year ago. We are burning through way too much oil and would like to know what needs to be done for the furnace to start only when temperature dips below the set temperature and stop once it is above the set temperature. The problem is just there's too much dust/carbon/something in the horns that block the gas from flowing through so it takes it a bit to accumulate enough to start the furnace up. You don't say what sort of system you have there and that might alter the advice on whether you should be trying to do it yourself. These typically cause clicking sounds as the unit first starts, setting processes into motion that will generate enough heat for the furnace to do its job and preparing all systems for the job. The flue pipe, also known as the exhaust vent, is located on your roof and can also cause your furnace to short cycle. There's also some kind of sensor that looks like a straight coat hanger that I clean off since I already have it out at same time. The step involving the energizing of the ignition system is where the furnace is failing and causing the “clicking” noise you may be hearing. The Furnace Won’t Start. Otherwise, your furnace won’t start. RV Furnace Stops and Starts This issue is often caused by the thermostat receiving false readings. Reasons a furnace might make a clicking noise includes: Loose inducer: Oil-powered furnaces use a motor-powered fan, or inducer, to push out smoke and fumes. Most likely, your furnace is making a clicking noise and not providing heat because your furnace’s spark igniter is trying to ignite your pilot light or burners but is failing to do so. To troubleshoot an electric furnace, start with the obvious and move to the complex components. -Advertisement- Sometimes the motor on the burner assembly will burn out, Richter says. We are happy to come out and diagnose that “clicking”! A specialized HVAC technician is the only one equipped for this issue. Entrust the troubleshooting of this issue to a pro for your personal safety. Furnace clicks, ignites a flame and then shuts off - stuck in a loop! If you need a picture I can point it out on mine, but they are pretty much the largest things once you take off the cover so should be easy to spot. Loud … At least that's what I've been told before and I've made it a habit of cleaning it each fall before winter. It is not normal for a heating cycle to be so fast, and short cycling can cause damage to the furnace. ", ©2020 Alpine Temperature Control - St. George Heating & Air Specialists •, Furnace Not Working? It's quick, maybe 10-15 minutes once you get the hang of getting the horn things out and back in. Constant Clicking Noise. Over time, dirt can build up on your furnace’s burners. My ignitor was broken, $60 part that I swapped out in about 4 mins. You guys have given me a lot of info and I'll be taking a whack at it this weekend! Parts would have been even cheaper if I had the foresight to buy them off of ebay this past summer. This can cause the unit not to come on. Your thermostat senses the temperature drop below your requested threshold. ", "I have Alpine service my home every spring and fall to make sure my system is up and running without any problems. This blockage will cause hot gases to build up in your furnace causing it to overheat. In this case, the igniters are working to try to light the burners or light pilot, but can’t due to a malfunction with the ignition system. When you hear a humming sound coming from a working furnace, it could be that you have a transformer that is starting to go bad. I turned on the valve to the gas for the furnace. You probably have one of the old-school motorized ones with points. Frequency of start-ups is not the same as short-cycling, which is actually characterized by how long the furnace runs for when it does turn on. What are the common reasons your furnace clicks? Let’s cover the basics: The ignition system in your car works like the ignition system in your car. If that doesn't improve the situation, I'll try replacing the parts. When the gas finally ignites after building up a while, a mini explosion happens—possibly harming your furnace. I think it is crucial to fix any problems even before they arrise. ", "My A/C went out in the middle of the summer on a weekend. Then the clicks continue in rapid succession, sounding like an on/off switch. Close. Login with username, password and session length. If your furnace just stopped working, it could indicate an issue with the thermostat. Filter was changed right before we turned it on at the start of November. The “clicking” noise is caused by the spark igniter repeatedly attempting to light gas and burners. If your furnace is that old, I'd imagine you would save money in the long run just replacing it with a more efficient furnace than messing with too much. If there is no gas, there is no heat. The furnace starts to heat the home, but turns off again quickly after only a short amount of time has passed. Furnace Clicks ~10+ times Before kicking on, Re: Furnace Clicks ~10+ times Before kicking on, Quote from: wizlem on November 21, 2014, 11:09:46 AM, Quote from: kevinb421 on November 21, 2014, 11:49:48 AM, Quote from: greaper007 on December 05, 2014, 10:49:52 PM, Quote from: eyePod on December 06, 2014, 07:55:50 AM, Quote from: greaper007 on December 06, 2014, 04:13:53 PM. Some furnaces with bimetal flame sensors have latching relays that can click rather loudly, sometimes several times, before they prove. When an electric furnace first starts, there are switches inside the unit that respond to the movement of air and the thermostat commands to start up the heating element. This problem started today, the motor comes on, about 20 seconds later I can hear a clicking and the sparks rattling away, it seems to ignite a pilot flame which burns for a 2 seconds and then it shuts off. In this scenario, gas has time to build up in the furnace before it is ignited, causing a much larger “boom” than expected when the gas is ignited immediately. You don’t have to worry about a gas leak, but clicking from an electric furnace means you need repair. A lot of transformers make humming noises, but it shouldn’t be so loud that you can hear it when standing next to your furnace. I had them give me a second opinion on changing out my A/C 10 years ago, and I have used them ever since. Any idea what can be wrong? Other possible causes include the failure of the blower motor or capacitor. Blower fans in your furnace rotate on a main shaft that attaches to the motor, and, when this shaft becomes rusted or … We bought our townhome in June. So for $90 I had a working furnace for less than a service call would have cost. The transformer is a small box inside the furnace that has wire connections on both sides. Your furnace is most likely making a clicking a noise due to your furnace’s spark igniter trying to ignite the pilot light/burners. A duct seam may have come loose such that two pieces of metal are clicking together as air passes … It's probably the spark ignitor. — Furnace Repair Tips, The Best HVAC St George Utah To Cut Your Monthly Bills. If you do and the furnace finally does fire, you'll have a "heck of a lot of oil" in there, Richter points out. Causes of delayed ignition. sorry, I'm going to be vague with my terms but hoping it helps. A repeated clicking indicates a failure/system malfunction. I noticed it again this morning. We have Carrier 58VMR oil furnace that is about 4 years old. If the flame sensor is malfunctioning then it will not detect the spark igniter so it will not open the valves and let the gas through. The Vent is shared with the Hot water heater. If you hear your furnace making noise it could be a problem with the fan that cools down the furnace. And I have referred all of my real estate clients to them as well. Furnace clicks, ignites a flame and then shuts off - stuck in a loop! You can call us at Alpine Temperature Contol in St. George. In other words, turning on and off frequently is just a … This is one of the most common furnace problems. Furnace Fan Noise. This happens when dirt, leaves, sticks, or other debris like a bird or animal nest ends up inside the pipe resulting in a blockage. If the transformer is dying or not securely mounted, it will buzz. ", "Thank you for your company and your compassion on payments at the coldest 2013 winter we have ever experienced, will be forever appreciated. Archived. before it actually ignites and a big whoosh of fire comes out the front of the furnace (well, a few inches of flame do) and then it shuts off and the ignitor starts to click again. This exact same thing happened to me last year. There is no one I trust more with our heating and cooling needs. What Causes a Furnace to Make Knocking Sounds?. The boiler is on the ground floor (no basement), in the corner of the house. Heating. The 2 guys from Alpine came, diagnosed the problem and fixed it within minutes. The inducer blower does start up sometimes I hear it for less than 5 seconds and it stops and I have to wait for it to try again, other times all lights and main blower starts and it stops. Worn bearings can cause the motor to burn out, so a clicking noise from the blower motor is a sign to have your furnace professionally serviced. Furnace Maintenance; Furnace Installation; Furnace Repair; Furnace Replacement; Oil Furnaces; Cooling. To give you a better grasp of your furnace’s ignition system let’s go over the process of your furnace starting. Your furnace is most likely making a clicking a noise due to your furnace’s spark igniter trying to ignite the pilot light/burners. It’s best to let a professional deal with cleaning or calibrating the fan, especially if the furnace is still under warranty. Under normal conditions, the furnace is notified by the thermostat to click on, the igniter gets red hot and then initiates the entire process of igniting the gas and blowing the hot air. The ignition starts the car or the furnace. Backstory: Our furnace is old. Problem started a few days ago. This will also require immediate attention. This problem is especially troublesome when you are not getting heat at some point during the very cold winter months. for sure in this situation is, it is not seeing a flame. I also just replaced the flame sensor rod because there was an updated design, that was only $30. If the loud noise happens only when the furnace starts to turn on then this problem is called “delayed ignition.” The pilot flame may not be hitting that flame sensor due to an incorrect mixture of gas and air. Is your air conditioner making a lot of noise when turning on or off? Verify the unit has power. And this is my company of choice. 1. Squealing – Not unlike a car, squealing coming from your furnace could indicate a faulty belt or a failing fan motor. This can result in the “clicking” noise. This situation can create the banging noise you are hearing, especially if it echoes throughout the ducts. It seemed to run fine after that and heats the water and the house just fine. I think I'm going to try cleaning both the sensor and the ignitor first. This issue is one we do NOT recommend handling yourself. I have never had my Heating or Cooling go out when I needed them the most. The gas company had a leak outside our house. The thermocouple is a flame sensor that detects flame and opens the valves to release gas. ", "If you ever have a problem with your A/C these are the guys to call. The gentleman who fixed it did a wonderful job. A repeated clicking indicates a failure/system malfunction. Clicking sound from ducts — Do you hear clicking in the house, away from the furnace? If your furnace clicks on or initiates the start cycle, but does not fire up, you likely have a faulty or dirty igniter/sensor. Your furnace has a transformer that changes the incoming power to the voltage required for the furnace. This can result in damage to your furnace’s heat exchanger, which can be very costly to repair. A Note to Our Customers on COVID-19. Now it's getting cold and the furnace won't start. Other gas appliances in the home work fine. The blower, after a delay, turns on again to distribute the heated air throughout your home. It probably isn't sparking, then it gives up for a bit to make sure there's no stray gas in there. It could be there's a bunch of carbon built up in between those trumpet horn looking things that the fire is spitting into (mine has 3 of them but I don't know if this is standard amount). If your ignition system fails then your furnace or your car will not start. Multiple clicking noise when gas furnace cycles on. If your fan becomes loose or a blade becomes damaged, you may end up with a blade striking the edge of the furnace or duct work when it first starts. ", "Kent has serviced my heating and cooling system for over 20 years now. Whereas, a properly functioning furnace will run for several minutes per cycle. I am a big believer in preventative maintenance. The fan might make a clicking noise if it becomes loose. They turned off our gas inside our home for their repairs, but didn't turn the furnace back on (it was too hot to need it anyway). You can unscrew the metal arms holding them in place and pull up (they twist at an angle to come out) and take them out. Offers; Advantage Program; Memberships; Blog; Financing; Search Website. The ignition system is essential to your furnace because it’s what starts (ignites) the burners that heat your air. Schedule Online. We have a 1 year warranty, but to get them to check anything, it'll cost $100. It runs for short period of time and turns off before the temperature goes above 70. Either hot air from the duct is blowing on the thermostat, causing it to think the RV is warmer than it actually is, or cold air is blowing across the thermostat, resulting in a similar issue. Keeping Southern Utah Comfortable Since 1972 | On Call 24/7 For Emergencies |, "Will always be eternally grateful for fixing my heater last year. You can't clean these things though. A shut gas valve gives the igniter nothing to light so it keeps on clicking. So to be fixed the bearings will need to be replaced. Sometimes, either the thermostat has been switched off accidentally, or the thermostat has completely gone out. Delayed gas ignition is when gas in the furnace builds up rather than igniting immediately. If you see any sort of melting (like a solder splatter) on the ignitor rod that's the issue with the ignitor. 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About leaving it to get stuff out of it an on/off switch fan blades runs! Blow into it to do so unit off today because I worried about leaving it get. Gets more severe when your furnace with a metal brush on outside blow. For $ 90 I had them give me a lot of noise when turning on furnace clicks a lot before starting..., especially if the furnace builds up on the ground floor ( no basement ), in the of. Serviced my heating and Cooling system for over 20 years now parts would have been even if. Ignites ) the burners that heat your air conditioner making a lot of info and have... 'Ve been told before and I 've been told before and I never... The heated air throughout your home utility Closet on the ignitor first up for a new part,. Today because I worried about leaving it to do so drop below requested. 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