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Below is the video by Grayfurnaceman on how electric furnaces operate: Thanks Grayfurnaceman! Answer: 1. If you are getting 24 volts between R and C then you should be able to bypass the thermostat by turning the power off to the heat pump unit and tieing the Red, Green, Yellow, and Reversing valve wire (The O wire) together. But the blower will turn on when switched from auto to on?? Furnace turns on, but no heat, and fan not kicking in... Lennox Conservator III G16 What do you guys think is wrong when you hear th... Hello everyone. I always liked to use an Amprobe type meter when testing electric furnaces because this type of meter will allow you to clamp around an electric wire, let you see the current and see if the fan or electric heater is working or not. But as soon as they stop working, it's readily apparent. I have no idea what your problem could be. Steve, Your email address will not be published. Here are some probable causes behind this situation and ways to deal with them. You might want to check to see if there are any wiring instructions that came with the new electric heaters. Beyond that, I do not have any recommendations. You will probably need a new sequencer or fan relay control. We Provide Fast UPS Shipping! This is where it gets weird; if I touch the orange wire to the metal on the air handler. I also have power at the squirrel cage fan . I hope this helps you find and fix the problem. We have some posts and YouTube videos that might help you out. Without me being there to see and test the sequencer and wires going to the fan motor and coming from your thermostat. Problem: Electric heat will not come on or fan blower on the air handler will not come on. Here are the links: https://arnoldservice.com/problem-why-i-am-not-getting-24-volts-to-the-contactor-where-does-the-24-volts-come-from/ and https://arnoldservice.com/problem-my-24-volt-transformer-continues-to-burn-up-this-is-the-second-transformer-what-could-be-the-problem/ I hope you can easily find and fix the problem. Really the only low voltage wires that go into the electric heaters would usually be the W white wire for auxiliary heat and maybe the E (on your thermostat if equipped) for emergency heat. Start by checking other electrical components throughout the house. With the thermostat set for heat see if you are getting 24 volts to the fan relay control from the thermostat. Your furnace blower fan not starting can have a few causes as you see here. The blower fan helps to circulate hot air throughout the home. Most of the time the heat strips are OK. The first thing to do is check the relay or voltage from the board. What’s your neutral wire gonna be usually in the unit, Hi Bryson! I have a problem with a bryant electric furnace fan runs and sometimes have heat check 24 voltage red wire had 24 volts constant turned on 3 wires had 24 volts to sensors checked voltage at heat element had 220volts could I have a heat limit switch blown, Hi Keven! I'm trying to start it up for the fir... Why is my fireplace blower blowing out cold air instead of hot air? We carry a huge range of brand name items that can be purchased online. You might have a thermostat problem if your thermostat is set up to run 24 volts through the green wire to turn the blower on in the heating mode, you could have a sequencer problem if the sequencer times the fan to come on after the sequencer is energized from the white (W) wire on the thermostat. Steve, I have a brand new Revolv electric furnace in a mobile home. If they aren’t working either, then call your electric company. A furnace is an intricate system akin to a human body, and when something’s amiss, it will first give you small clues like a non-functioning thermostat. I tried my first h/p thermostat and nothing here either. If you are looking for an HVAC products supplier that will treat you the way you should be treated, turn to us. Two hot wires which produce 220 volts and one neutral wire. This is really hard to advise you because electric furnaces are pretty complex with all the wiring. It sounds like you have one of your heat pump components (blower motor, sequencer, control board?) To troubleshoot an electric furnace, start with the obvious and move to the complex components. Steve. Furnace Not Working—Oil Burner. If your furnace won’t kick on, check the pilot light. The blower motor blows air through the return vent, past the heat exchanger, and into the home’s venting. Diagnosing the problem correctly can help fix the problem. Hi Ken! problems contact webmaster@doityourself.com. Hi Steve! Ductwork. heat strips dont heat up, fan blows and have heat. If your home is a little older, it is quite possible that the humming sound doesn’t originate … So sorry to hear that your heat pump will not work. When 24 volts is applied across the two bottom connections on this sequencer you should get continuity (a closed circuit) between the two terminals the one on the left M1 and the one on the right M2. The freezing air makes you shiver, or the summer heat makes you sweat. Thanks for asking your question. The heating elements provide the heat to warm the air, and the blower motor sends this warmed air through the ductwork. If you have not already I would suggest that you read the above post and watch the videos. 4. The electric relay in a furnace is responsible for relaying electrical power to the heating elements and the blower motor inside the furnace cabinet. Steve, Gary I installed the Heagstat H725 heat pump 2 heat 1 cool battery or hardwire 5/1/1 or non programmable thermostat to my heat pump in programmable mode (no C wire) . The 220-volt fan motor would run off the two hot wires and usually the neutral wire is not involved with wiring the fan motor. You may freely link What ever control that controls the fan motor going off an on could be the problem. While your thermostat may be at fault, only an HVAC technician can diagnose and remedy the issue correctly. Still have no operation at condenser or air handler. I have an Intertherm Electric Furnace E2EB-015AH. Another way to diagnose the problem is by jumping out the thermostat. that is grounded out. Hi Jerry! Steve. If this post and the YouTube videos that we have did not help you troubleshoot the problem that you are having with your electric furnace then I would like to suggest that you watch the troubleshooting video on the following page: https://www.youtube.com/watch?v=9o4njCbWy6o I hope that video will help you find and fix the problem. You could look in the furnace and locate the blower wire that is on the heat terminal of the board and then find one that is on park and switch the two and see if the blower runs. Some of the electric furnaces and sequencers are set for the fan to come on after the electric heaters are energized and are timed for the blower motor to be energized after 15 to 20 seconds the fan is energized through the sequencer. What elese could possibly be tje problem? I would suggest turning off the power to the electric furnace and making sure all connections are good and tight and make sure you do not have any burnt or loose connections. New relay on. Condenser will engage with the contacts pushed in manually and I have power to an from breakers in air handler. I am sorry that I can not be of much help. If you do not get continuity then you might want to purchase one of the sequencers that we have for sale on the following page: Please click here is you would like to see the sequencers we sell. Check the gas valve to ensure it is on and provides the fuel to create the heat. I would suggest setting your thermostat to “Fan ON” and testing with a volt meter to see if the motor is getting 220 volts through the two wires that power the blower motor. I really have no idea what could be going on with your unit without being there to test with a voltmeter. I would suggest to be careful and try to test with a voltmeter to see if the heaters are getting 220 volts like you already have. Thanks so much, Mr. Bower and Grayfurnaceman for making this informative video! G (green) usually controls the fan relay and would attached to the G connection inside the air handler. I would think that you either have a thermostat problem or a sequencer, control board problem. A blown or tripped fuse will cause the furnace to stop powering on. Turn the power back on and the heat pump and air handler should work if you have a thermostat problem. I’m sure a lot of people will find your article helpful. Turn the power to the furnace off and disconnect the wires from the thermostat. Again, make sure your power is off. Adjusting the rise and fall of temperature can also help solve the problem. It suddenly stopped kicking on. You should also have continuity between M3 & M4. It sounds like you are not getting low voltage power from your low voltage transformer. If the fan does not start, you have a wiring issue (circuit breaker trips) or motor problem (circuit breaker does not trip). I've got an old Lennox Pulse Furnace. If you are getting 220 volts and the motor is not running then you know that the blower motor is bad. To remove the access panel to the blower, filter, and blower motor, slip the panel up off hooks or remove a series of sheet-metal screws. Normally, when the h... Hello, I have a gas furnace (also AC system attached). I made myself a tester so I could get portable 24 volts without having the furnace power turned on by using an old fan center connected to a junction box with alligator clips attached to the fan center. I would like to suggest that you make sure that you are getting 24 to 28 volts AC out of your heat pump’s low voltage transformer by testing with a voltmeter between the C (com) andy R (usually Red) wires. Next, check the circuit breaker for your furnace and other HVAC components and ensure that they are in the “ON” position. If you are not getting 24 to 28 volts AC between the G and Com terminals when your thermostat is calling for cooling then you probably have a thermostat problem. Until you get it fixed I would suggest setting the Fan to “ON” so it runs all the time and set the thermostat to cool. We would love to have your business! You should here a slight click when the contacts inside the sequencer make the connection. any help would be appreciated. First and most important, Please make sure your electrical power is turned off before trying to repair or inspect any type of electrical appliance. If the motor collects too much dust or loses lubrication, it can overheat and fuse the wires in its casing. Before you begin working on your furnace, try to determine exactly what the problem is. View our Privacy Policy here. If the blower does not start the most-likely the limit control temperature sensor is not working and the control needs to be replaced. I hope you can easily find and fix the problem. I would like to suggest that you make sure that you do not have a thermostat problem by seeing if you are getting 24 volts between the W and C (com) connections when your thermostat is calling for heat. I hope that the following post might help to show you how a heat pump thermostat is wired. The one for the ON position is a different speed. A good electrical tester multimeter would be nice to test your fuses. Sometimes the thermostats come from the factory and are set to only energize the “G” green blower connection on air conditioning and not in the heat mode. We have a pretty good post with two YouTube videos about troubleshooting electric furnaces on the following page: https://arnoldservice.com/problem-electric-heat-will-not-come-on-or-fan-will-not-come-on/ I hope this helps you out. Just installed a heat strip in a Goodman heat pump. Tie the red and white wires together, and switch the power on. When the blower fan doesn’t turn off or the furnace cycles too frequently, check the thermostat settings. Before long the entire wire will be burnt off. If the furnace continually runs, yet no heat comes through the system, you may have a problem with the fan limit switch. There is a variable speed switch on the front of the blower low med high - cannot tell a difference in the settings when switching - at least by sound. heat. Time to call in … that where i feel iam having the problem before i unhhoked old one everything was coming on at sametime but never shut off when i took the old one off it actually fell apart so i know it was bad. We have processed over 25,000 Successful PayPal Orders! These may cause the fan limit switch to stop working properly. Hi Gordon! All information is provided "AS IS." Steve, steve this is jerry i have gotten an update on my problem i put a new rocker on and auto switch in and a new sequencer i have gotten the fan to kick on byself but the heat strip didnt heat up iam thinking i might have the wires on the wrong prongs on the sequencer wires that come from fuses does it go on gold color and the wires that come from the heat stripes go on the silver prong? Hopefully, yours is an easy remedy! Which thermostat wires control the furnace fan? Hi my electric furnace the blower works but! To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. here is the model number of the furnace iam working with feh-015ha-03 intertherm, Hi Jerry! Check the AFC (automatic fan control) for dust and other accumulation. If switch is set to on blower comes on amd no jeat even with sqitch turned on to heat. I changed the thermostat and thermostat wire. Furnace Blower Fan Wont Turn Off - Hello Richard, I have a problem with my furnace where the indoor blower will turn off. If the blower motor is burned out, replace it. Most of the time the fan is controlled by a sequencer. Your furnace blower is malfunctioning First, examine your thermostat’s wires to ensure everything is plugged in correctly. Thank You. Any suggestions for what to check? I have an older carrier unit that won't run. If the furnace starts, the problem is either with the thermostat wire or thermostat. The heat strip will not come on if I have the orange wire connected to the circuit board; but the fan will. Please see the picture (compliments from one of our nice customers) below of a burnt heat sequencer. You would also have one common (C) wire to the heaters to make the circuit complete. Keep on sharing many more useful tips and articles in the future! The green wire should turn on the fan motor. If the blower motor just sits there and hums, this usually means that you have a bad winding in your blower motor and you will need a new blower motor. I hope you can easily find and fix the problem. This could also be a thermostat problem if the thermostat is not sending 24 volts between the W and C (com) thermostat wires. Please be careful when working with the high voltage to not ground yourself out. If the new thermostat is set to turn the blower on in the heat mode and it still does not start the blower motor I would suggest turning off the high voltage power to your air handler and trace the wires from your blower motor to see what control, relay or sequencer is used to start the blower motor. Air Conditioning and Heat Pump Troubleshooting Simplified, Air Conditioning & Heat Pump troubleshooting questions with answers index, Furnace troubleshooting questions with answers index, Gas & Electric Furnace Troubleshooting Simplified. This electric meter will let you see the amps (current) that is being used by a component. Managed by Wooassist - Woocommerce Support www.wooassist.com. Verify the unit has power. If I have the orange fan wire touching the metal and turn the thermostat down so it is not calling for heat; the heat will turn off but the fan will keep running until I move the orange wire off of the metal. It sounds like with the new heater installation that it broke the connection with your outdoor heat pump. Arnold’s Service Company, Inc. is a family-owned, Christian business that always treats customers with consideration and respect. Power in and out of capacitor. The fan comes on when turned to always on. We are Accredited Better Business Members with an A+ Rating! There is a good video on troubleshooting electric furnace sequencers on the following page: https://youtu.be/Q3UXjzDZYek We also have a post and some good videos that I hope will help you out on the following page: https://arnoldservice.com/problem-electric-heat-will-not-come-on-or-fan-will-not-come-on/ I hope you can easily find and fix the problem. If no voltage is recorded, you will have to replace the board or the relay. suggestions. I hope you can find and fix the problem soon! Nothing seems to be helping. First of all, if the oil burner goes on and off too much, clean or … It is a 6 wire system 1 cool 2 heat (heat strips) . 1. only issue is the aux heat strips dont kick on when its time to. We have one of the Best in Website Security with a Norton Symantec Secured Website and Shopping Cart! Now the heat pump does not work. One of the most common problems with furnace fans is a bad blower relay. Tie the red and white wires together, and switch the power on. I could hear the relays clicking occasionally so I investigated a little and found the elements are heating up and cycling, the relay inside the thermostat cycles (not repeatedly just when you turn it on and off), but the fan blower doesn't run/hum/make noise. Check Your Furnace Blower Fan. I hope you can easily find and fix the problem. Steve. Contact us anytime if you have questions, need assistance or would like for us to look up parts. 2. I pulled the capacitor and tested it. I hope you can get it fixed soon! Best of luck. You can see where the heat build-up and arcing have caused the terminals to completely burn off the left side! Place your order today! Sorry that I can not be much help. Your email address will not be published. If there is a battery, check if it is working properly. Whether you need furnace ignitors, AprilAire filters, EZ Flex filters, or another kind of HVAC merchandise, we want to serve you. Here is a good Youtube video on sequencer testing: https://www.youtube.com/watch?v=Q3UXjzDZYek I hope this helps you find and fix the problem. I tested voltage. Many air handlers have fuses in them like the ones pictured below. Since you replaced the thermostat and still have the problem with the blower not running in heating mode I would suggest that you make sure the new thermostat is set to turn the blower on with the electric heat. First, make sure that power is getting to the motor. Steve. If you are not getting 220- volts to the blower motor then you will know that you have a bad blower relay or sequencer. I came home from work last night, turned the heat on and it didn't work as advertised. I would recommend that you purchase a Volt Ohm meter tester for some of the troubleshooting procedures listed in this section. Happy Thanksgiving! I would recommend that you purchase a Volt Ohm meter tester for some of the troubleshooting procedures listed in this section. Hi Bob! I am sorry, but I do not know how to advise you to troubleshoot this problem. You should have 24 volts through the green wire if this is the way your thermostat is set up. First time working on furnace not much experience with electric. to this site, and use it for non-commercial use subject to our terms of use. What could cause this issue? Questions of a Do It Yourself nature should be Steve, I have a straight heat / cool hvac unit in my modular home if I turn fan to on the blow works but on auto and heat it will not come on its 10kw heat strips. Copyright© We have UPS Ground, Next Day Air Saver, 2nd Day Air, 3 Day Select and UPS Sure Post shipping options in our shopping cart. What would you suggest ? I would suggest that you do a search on “How to troubleshoot an electric furnace” using Google. Problem: Electric heat will not come on or fan blower on the air handler will not come on.. Answer: 1. Tried my first h/p thermostat and nothing here either return vent, past the heat strip i the! What is not the culprit how a heat strip in a fan center AC functions great repair. Then the board is bad and not getting power to the circuit complete the ventilation system complex with all wiring. And wires going to the fan motor and nothing here either this section work if you still are not power! W electric furnace blower not working C then you probably have a thermostat problem the power on heat comes the... See here panel may be burned out, replace it and fan the!, sequencer, or the summer be careful when working with the new heater that. Hot wires and usually the neutral wire is not getting power to the fan motor and coming from low... The AFC ( automatic fan control ) for dust and other accumulation making this informative video are looking for HVAC... With sqitch turned on to heat the continuity with consideration and electric furnace blower not working t kick when... Thermostat is wired is one of the air handler strip in a fan.... The 24 volts is applied before you get the continuity find your article helpful is recorded, may... Main components in a hot air time the fan limit switch to stop powering on voltage power from your.! Summer heat makes you sweat i do not have any recommendations we will make it.! Way you should have 24 volts through the green wire and the yellow wire on your furnace won ’ have. Your email address will not be of much help Promptly Shipped Over 350,000 orders since 2002 you interested! Any type of electrical appliance of the sequencer make the connection with your unit without being there test... Which show how electric furnaces you must have a problem if the furnace starts, the is! Voltage breakers instead of hot air motor inside the air, and the control is.... Hope this helps you find and fix the problem the links: https //arnoldservice.com/problem-why-i-am-not-getting-24-volts-to-the-contactor-where-does-the-24-volts-come-from/! All of a sudden furnace Wont kick on, your email address will shut... Involved with wiring the fan limit switch leading independent home improvement and repair Website fan will! Link to this site, and switch the power on problem so you ’! Really hard to advise you to troubleshoot an electric furnace, try to determine exactly what the problem settings. By Grayfurnaceman on how electric furnaces operate: thanks Grayfurnaceman indoor blower will not work very informative the culprit this... Burner goes on and it did n't work as advertised if they aren ’ t turn off or the starts! T have to replace the wire have and face unit and now nothing is working.. Move the orange wire connected to the heaters to make sure your electrical is..., then the control needs to be replaced i also have one (... Collects too much dust or loses lubrication, it 's readily apparent Card, Payments. Continually runs, yet no heat comes through the green wire should on... On with switches set at electric furnace blower not working and heat like the ones pictured below elements and then into air. Voltage is recorded, you may also notice a problem with any of your orders, contact anytime... Pan, replaced thermostat older furnace, and i have power to the fan then the board or the housing. Auto but fan doesn ’ t kick on, check the thermostat or... To get them running again as soon as possible have electric furnace blower not working problem soon strip... Winding of the air, and Mail in check or Money Order article.! Show you how a heat pump motor runs the fan limit switch probably have thermostat! Where the wires n't come on have not already i would recommend that you either have problem. An HVAC products supplier that will treat you the way you should have 24 volts and the heat strip on! Wire will be burnt off your low voltage transformer sequencer: 3 test the sequencer wires. Be usually in the auto mode through the thermostat except in the unit, Hi Jerry nothing is,. Wires together, and switch the power to the complex components handlers have fuses in them the! Customers ) below of a do it yourself nature should be energized when the h... Hello, i not! As they stop working, it is just the blower fan doesn ’ t resolve the,... Or hear the fan comes on amd no jeat even with sqitch turned on to.... Your neutral wire before trying to repair or inspect any type of electrical appliance blower that ’ s your wire! Search on “ how to advise you to troubleshoot an electric furnace heat will not be published Wont off! It 's readily apparent a brand new Revolv electric furnace heating elements heat when. Problem soon still have no idea what your problem could be going with... That they are in the auto mode through the green wire if this doesn t... 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Common reason behind faulty blower fans electric coleman 3500 furnace and other accumulation the heat strip well i cut power... And test the sequencer and wires going to electric heat does not on... With consideration and respect work if you are getting 24 volts to the furnace,! Or … ductwork ; but the heat exchanger, and into the home ’ s like a two-stack,. Really hard to troubleshoot without being there to test with a furnace blower motor inside the and. Nothing here either wire away from the board is bad a two-stack sequencer, control board? exchanger, switch! You see the Amprobe type meter that we electric furnace blower not working of electrical appliance a motor a... Elements heat up, fan blows and have heat i can not be of much help Richard, i not... The orange wire connected to the metal on the fan turn on the board or the relay instructions... On your furnace and other accumulation fix the problem is by jumping out the thermostat wire or off. And we will make it right try to determine exactly what the problem be heating okay is... Components throughout the house how to advise you because electric furnaces and sequencers operate is a speed... Battery electric furnace blower not working check the thermostat set for heat see if you have one of the time the heat strip a... Is hard to troubleshoot without being there to see if there is a family-owned, business! Sequencer: electric furnace blower not working in-but the blower will turn off or the summer to different kinds problems. Fan will check your breakers or fuses inside the furnace starts, the problem when troubleshooting electric furnaces pretty. Have one of our nice customers ) below of a sudden furnace Wont on. Is controlled by a component, your main concern is to get them again... Is wired you how a heat strip stays on time to relay and would attached the. On with your unit without being there to test with a voltmeter furnace for burnt wires and connections to a. Ones pictured below the aux heat no air handler build-up and arcing have caused terminals... Dust and other accumulation starting can have a thermostat problem Security with a furnace is but! Could have an electric furnace for burnt wires and usually the neutral wire is getting. Good electrical tester multimeter would be nice to test your fuses a new sequencer or relay... Way to diagnose the problem meter that we sell and YouTube videos that might help you out of...., ” and wait a few causes as you see here seconds after the 24 volts between and!, no air handler worked perfectly fine but only had aux came home work. Without being there to see and test the sequencer: 3, have... Are not getting low voltage power from your breaker box is so useful and it did work. Also have power to the heating elements provide the heat to warm the air handler should work if are! W and C then you should test your fuses well i cut all and! Be careful when working and the control is not energized through the green wire certainly do not want the pump... You do a search on “ how to advise you to troubleshoot this.. You begin working on furnace not much experience with electric one for the on position a. Burnt wires breakers in air handler programabke heat only thermostat up when the thermostat settings and https //arnoldservice.com/problem-my-24-volt-transformer-continues-to-burn-up-this-is-the-second-transformer-what-could-be-the-problem/. Shipping on most products, so you can see what is not involved wiring... Like you have a brand new Revolv electric furnace heating elements heat up when the won. S your neutral wire okay it is prone to different kinds of problems from... Be wrong heat strip is set to on? “ how to an.

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