A properly functioning pilot light in your furnace means reliable heat in your home and safety from the possibility of gas leaks. Our HVAC experts in Southwest Georgia are ready to help with all of your heating and cooling needs. To our surprise, we’ve been getting a lot of “what’s a ductless system?” in response! This pilot light may not always stay lit, due to a variety of issues that may affect the gas supply or ignitor. Modern gas furnaces no longer use standing pilot lights. However this may have happened, you will need to relight it. Whether you have a standing pilot light or an intermittent pilot with electronic ignition or hot surface ignition, we can fix it with gas furnace repair. Verify the controller has adequate power … Instead, they use either intermittent pilot or hot surface ignition to start the furnace. Check the electrical panel to see if there’s a tripped breaker and reset it. When the pilot on your wall furnace does not stay lit, your furnace won’t heat. Naturally, an unreliable pilot light is something that you should worry about and fix as soon as you notice it. Millivolt System Pros and Cons: A lack of power to your ignition can stem from a variety of issues, such as: Your pilot light ignites your burner and creates heat. Contact us for complete details. These are more efficient than a standing pilot light because they’re not constantly burning a small amount of gas just to keep the furnace ready to start. Because fire needs fuel and oxygen to burn, an inefficient supply of oxygen causes the flame to become weak. If your gas furnace will not ignite, call Harrell King today at 229-243-8040, or contact us online and let us know how we can help. Clogged or leaking gas lines can cause the heating appliance to fail completely. The pilot light or ignition sensor is usually the most common issue when your furnace will not ignite. This furnace has an intermittent pilot light system. There are some commonly encountered issues with intermittent designs that you may be able to solve; however, some problems require the aid of a professional. The information on this website is for informational purposes only; it is deemed accurate but not guaranteed. This year make a new year’s resolution to decrease energy usage around your home. The standing pilot light is burning. The ignition spark lights the pilot and begins the warming cycle. Or, it could be that your furnace as a whole may just be broken. It’s a box-shaped device and is typically located near the gas burners. It used an automatic spark ignitor to light the main burners via a gas pilot light that was always on. Locate the pilot valve. Intermittent pilots use electronic ignition systems to create heat. The flame will stay lit for as long as the thermocouple sensor is detecting heat from the pilot light and the thermopile is producing the correct electrical voltage. When the pilot light malfunctioned, the heater would not come on. What is a Ductless System and How Does It Work? 8 If I switch the "emergency furnace switch" off and then on again, the pilot light ignition begins, the pilot lights and then the main burners and the furnace functions as normal. One of the most common issues with older model furnaces is an extinguished pilot light. The gas valve opens so gas can flow to the main burner(s) and be lit by the pilot light. If you're having trouble locating the pilot or thermocouple, double-check to make sure your unit actually has a standing pilot light. Timing […], When home and business owners come to our team looking for new HVAC installation services, we always make a point to mention modern ductless heating and cooling systems. In other words, there’s an ignition system malfunction that needs to be fixed. Gas issues are typically the cause of pilot light failure; common problems include: The burner provides heat to your home. An intermittent system uses an electric spark instead. We offer 24/7 emergency service so you’re never left out in the cold, and treat all our customers like family—with honesty, respect, and fair pricing. Some are intermittent pilot systems, and others use a hot surface ignition. When your pilot light goes out, your furnace won’t ignite and heat your home. Once you’ve determined the source of the problem you can make an informed decision on whether to call for emergency service or solve the issue yourself. While a one-time occurrence is no cause for alarm, […], Copyright © 2020 Harrell King Heating & Air. Local: (626) 531-0022 Toll Free: (844) 209-2811 Local: (626) 531-0022 Toll Free: (844) 209-2811 Do you want to find out more about a ductless HVAC system—how […], A new year is a chance for a fresh start, and a time to implement positive changes to improve your health, well-being, financial status, and enhance your lifestyle. The small button or dial next to the pilot light opens the valve to release a little gas. Additionally, confirm the gas valves are open for supplying gas to the pilot area. Other times, the pilot light is still on, but other parts of the furnace could be malfunctioning. Turn control dial to the off position, so the pilot does go out. Its main function is to ignite the burners when the furnace is called upon for heat. Newer furnaces don’t have pilot lights. An operational pilot light in your furnace means safety from the possibility of a gas leak. Furnaces of various kinds are gas powered and use a pilot light to supply heat to the unit, including standard home furnaces and floor furnaces. If your furnace is an electronic model with an automatic ignition for the pilot light but it won’t light, there may be an issue with the ignition. A flame sensor is still present but it is over the burner’s flame. This must be checked at the module board with a multimeter. When your furnace won’t kick on, check to see if the pilot light may have went out. Intermittent pilots use electronic ignition systems to create heat. The following are estimates: 1) If the pilot light (when ignited) is large enough to engulf about 3/8 inch of the thermocouple, then that is a good indicator that sufficient gas is coming out. What to Do if an Electronic Ignition Furnace Won't Light Types of Electronic Ignition Furnaces. The question is, when is the best time to service your equipment? When an electric signal is sent to the burner, a solenoid releases gas into the pilot and warms a heating element or emits a spark to ignite the gas. If gas or propane flow to this pilot light is interrupted, even for a moment, the pilot light can go … I checked that the T'stat was set to call for heat, heard the click in the T'stat after I set the temp to heat to above the room temp, but the main burners won't come on. I checked the outside breaker box and found that…, "I would like to thank you for the quick and responsive service you and your people provided when my unit went down. The pilot lights and stays lit, but the burners will not ignite. While it can often be relit easily, if the pilot light does go out it prevents the entire system from starting. If I switch the "emergency furnace switch" off and then on again, the pilot light ignition begins, the pilot lights and then the main burners and the furnace functions as normal. You can prevent this issue by scheduling routine furnace maintenance each fall, when a skilled technician will inspect, clean, and tune your furnace to ensure its reliable, efficient operation throughout the heating season. The pilot light in your gas furnace supplies heat to your home. The team of experienced professionals at Harrell King Heating & Air has been providing homeowners in the southwest Georgia area with expert furnace repair, maintenance, and installation services for more than three decades. Intermittent Pilot. In addition to the money you can save you’ll lower your environmental footprint, making this […], Waking up on a cold morning to an even colder house is less than ideal, and can be a sign that your furnace stopped working at some point during the night. An electronic spark ignites the pilot light. Over the years, your pilot light may blow out periodically due to a strong draft during storm activity, or during times when there is a high wind. If the blower motor in the furnace causes a power overload that trips the circuit breaker, not only will the motor fail to come on, the burners won’t fire either. If any three are missing the pilot light won't ignite. Sometimes, this is the only problem that you need to fix, and things will go back to normal. If gas is coming out of the pilot, but it still won't light, the spark igniter could be the problem. They skip steps 3, 4 and 5 and light the burner directly. The flame sensor tells the furnace that the pilot is lit. 4. Tackling a faulty burner will require working with potentially dangerous electrical and gas systems. 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. Intermittent pilots still use a pilot light, however it isn’t a “standing” pilot light that remains on all the time to ignite the burner whenever the gas turns on. The burner and pilot shut off when the correct temperature is reached. Reasons for the malfunction may include: It’s important to keep all your HVAC components clean for safety and efficiency, including the area surrounding the pilot light. While a one-time occurrence is no cause for alarm, if the pilot light goes out repeatedly or refuses to stay lit, further investigation is required. If dirt is allowed to accumulate in the intake valve, oxygen levels which are needed to keep the pilot light burning strongly, will be reduced. The thermocouple assists with furnace operation by monitoring the presence of the flame, and turning off the gas supply to the pilot light if it should become extinguished or becomes weak. Always call a professional if you’re experiencing issues with your burner. While a blue flame produces an adequate amount of heat to trigger the thermocouple, a yellow flame does not, causing the thermocouple to turn off the gas valve and your furnace to stop working. House battery power. 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