electric furnace blower not working

submitted to our "DoItYourself.com Community Forums". 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) . Your furnace blower fan not starting can have a few causes as you see here. Turn the power to the furnace off and disconnect the wires from the thermostat. We Provide Fast UPS Shipping! I would recommend that you purchase a Volt Ohm meter tester for some of the troubleshooting procedures listed in this section. Best of luck. Steve. Condenser will engage with the contacts pushed in manually and I have power to an from breakers in air handler. I am sorry, but I have never heard of this happening. 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. Purpose of the Fan Center Relay: The purpose of the fan center relay is to provide a low voltage control (24 Volts) to control a relay that can be used to control two-speed blower motors and auxiliary circuits in heating or cooling equipment.Many of the newer furnaces do not have fan center relays, but many of the older furnaces and some new furnaces still do. Please click here if you are interested in a fan center. We have two really good informative YouTube videos that were made by Mark Bower and Grayfurnaceman which show how electric furnaces and sequencers operate. 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. Your furnace blower is malfunctioning First, examine your thermostat’s wires to ensure everything is plugged in correctly. But the blower will turn on when switched from auto to on?? Which thermostat wires control the furnace fan? I hope you can easily find and fix the problem. Nothing seems to be helping. A blown or tripped fuse will cause the furnace to stop powering on. 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. One of the most common problems with furnace fans is a bad blower relay. Please click here if you would like to see the Amprobe type meter that we sell. If your furnace won’t kick on, check the pilot light. When your furnace won’t kick on, check to see if … This is where it gets weird; if I touch the orange wire to the metal on the air handler. New relay on. If the furnace continually runs, yet no heat comes through the system, you may have a problem with the fan limit switch. What could cause this issue? 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. My nordine electric furnace heating elements heat up when the thermostat kicks in-but the blower won’t turn on?? I have no idea what your problem could be. First and most important, Please make sure your electrical power is turned off before trying to repair or inspect any type of electrical appliance. I would recommend that you purchase a Volt Ohm meter tester for some of the troubleshooting procedures listed in this section. The fan setting should be on “Auto.” In the “On,” “Low,” “Medium” or … Check the gas valve to ensure it is on and provides the fuel to create the heat. The first thing to do is check the relay or voltage from the board. 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. Well I cut all power and double checked the tstat wiring and found nothing to be wrong. Vibrations from a motor or a furnace blower that’s not installed properly can eventually short circuit the wires. You should be able to test with a volt meter to see if the fuses or breakers are on. We welcome your comments and This is really hard to advise you because electric furnaces are pretty complex with all the wiring. You should here a slight click when the contacts inside the sequencer make the connection. It is a 6 wire system 1 cool 2 heat (heat strips) . Beyond that, I do not have any recommendations. Problem: Electric heat will not come on or fan blower on the air handler will not come on.. Answer: 1. If the fan does not start, you have a wiring issue (circuit breaker trips) or motor problem (circuit breaker does not trip). If you are looking for an HVAC products supplier that will treat you the way you should be treated, turn to us. 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. If your home is a little older, it is quite possible that the humming sound doesn’t originate … This electric meter will let you see the amps (current) that is being used by a component. I changed the thermostat and thermostat wire. to this site, and use it for non-commercial use subject to our terms of use. Not to fret, electric fireplaces are fairly straightforward devices and there’s probably a logical reason the heat or flames may not be working. 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. My furnace seems to be heating okay it is just the blower will not shut off. No matter where I set the thermostat it just hums. The motor will draw abnormally high amps. What’s your neutral wire gonna be usually in the unit, Hi Bryson! 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. If the furnace starts, the problem is either with the thermostat wire or thermostat. Steve. Hopefully the outdoor unit will cycle when the thermostat is satisfied. What ever control that controls the fan motor going off an on could be the problem. I hope you can easily find and fix the problem. You might want to disconnect the W or W1 wire or turn off your electric heaters so the electric heat does not come on. Start by checking other electrical components throughout the house. The green wire and the yellow wire on your thermostat should be energized when the thermostat is calling for cooling. Please see the picture (compliments from one of our nice customers) below of a burnt heat sequencer. 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. Hi Steve! Sorry, this is hard to troubleshoot without being there to test with a voltmeter. I tried my first h/p thermostat and nothing here either. When I move the orange wire away from the metal the fan shuts off but the heat strip stays on. Hi Jerry! Thanks , Gary, Hi Gary! 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. Still have no operation at condenser or air handler. You will probably need a new sequencer or fan relay control. 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. One of the most common issues with a furnace blower fan is the inability to start. If you ever experience a problem with any of your orders, contact us right away and we will make it right. Answer: 1. He was working then all of a sudden furnace wont kick on with switches set at auto and heat. View our Privacy Policy here. I pulled the capacitor and tested it. You should also have continuity between M3 & M4. Hi Ken! We have one of the Best in Website Security with a Norton Symantec Secured Website and Shopping Cart! I would suggest making sure that your thermostat is energizing the fan in the auto mode through the green wire. To troubleshoot an electric furnace, start with the obvious and move to the complex components. You would also have one common (C) wire to the heaters to make the circuit complete. Steve, I have a Electric air handler my ac and blower motor works but when I turn on the heat I have nothing no blower motor or heat strips I replaced the thermostat when turned on to ac it works but have no heat or blower motor when thermostat is in heat mode, Hi Dennis! You might want to check to see if there are any wiring instructions that came with the new electric heaters. 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. here is the model number of the furnace iam working with feh-015ha-03 intertherm, Hi Jerry! We offer same-day shipping on most products, so you won’t have to do without the goods you need for long. There should be a wiring diagram in your air handler’s control box to show you where the wires go on the sequencers and electric heat strips. Steve, I have a brand new Revolv electric furnace in a mobile home. Air conditioners and heaters accomplish their tasks unnoticed when working properly. But as soon as they stop working, it's readily apparent. Steve. 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. If you still are not getting electric heat then you should test your sequencers to make sure they are working. I am sorry that I can not be of much help. What would you suggest ? Normally, when the h... Hello, I have a gas furnace (also AC system attached). They will both work. Thank You. Hi Russ! When I was doing service work many times I would find burnt connections on electric furnaces. The blower motor blows air through the return vent, past the heat exchanger, and into the home’s venting. Hopefully, yours is an easy remedy! You should have 24 to 28 volts between these two wires if you do not then you either have a blown low voltage fuse, a loose thermostat wire, or a bad transformer. The green wire should turn on the fan motor. It suddenly stopped kicking on. If there is a battery, check if it is working properly. First, check the fuses. The one for the ON position is a different speed. The Youtube videos are really good: https://arnoldservice.com/how-to-wire-up-a-heat-pump-thermostat/ If you have any more questions or if you want to send me pictures then it would be best to use our email address: arnoldservice@gmail.com. This could also be a thermostat problem if the thermostat is not sending 24 volts between the W and C (com) thermostat wires. We are Accredited Better Business Members with an A+ Rating! Please help, Hi Matthew! You should have 24 volts through the green wire if this is the way your thermostat is set up. Place your order today! Some air handlers have high voltage breakers instead of fuses. 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. 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? Without me being there to see and test the sequencer and wires going to the fan motor and coming from your thermostat. 1. If you are not getting 220- volts to the blower motor then you will know that you have a bad blower relay or sequencer. home improvement and repair website. This is so useful and it’s very informative. If power is getting to the blower motor, but the motor does not run, the motor may be burned out. If you are not getting 24 volts between W and C then you probably have a thermostat problem or a broken thermostat wire problem. It sounds like you are not getting low voltage power from your low voltage transformer. I would think that you either have a thermostat problem or a sequencer, control board problem. Check Your Furnace Blower Fan. So sorry to hear that your heat pump will not work. I installed new sequencers. Keep on sharing many more useful tips and articles in the future! It sounds like with the new heater installation that it broke the connection with your outdoor heat pump. You can see where the heat build-up and arcing have caused the terminals to completely burn off the left side! I am sorry, but I do not know how to advise you to troubleshoot this problem. Electric furnaces use lots of electricity. I really have no idea what could be going on with your unit without being there to test with a voltmeter. Questions of a Do It Yourself nature should be When the blower fan doesn’t turn off or the furnace cycles too frequently, check the thermostat settings. I have a problem with my home furnace. Inspect the inside of the air handler or electric furnace for burnt wires. heat. 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. Required fields are marked *. Verify the unit has power. Furnace Blower Fan Wont Turn Off - Hello Richard, I have a problem with my furnace where the indoor blower will turn off. Your furnace blower fan not starting can have a few causes as you see here. 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. Troubleshooting Common Problems with an ... Troubleshooting Common Problems with an Air Conditioner Condenser. Tie the red and white wires together, and switch the power on. Problem: Electric heat will not come on or fan blower on the air handler will not come on. More details are below. Our email is. I find burnt wires and connections to be a major problem in electric furnaces. I hope you can easily find and fix the problem. We have UPS Ground, Next Day Air Saver, 2nd Day Air, 3 Day Select and UPS Sure Post shipping options in our shopping cart. Steve. What elese could possibly be tje problem? any help would be appreciated. G (green) usually controls the fan relay and would attached to the G connection inside the air handler. Before long the entire wire will be burnt off. Just installed a heat strip in a Goodman heat pump. 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. 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. Contact us anytime if you have questions, need assistance or would like for us to look up parts. Arnold’s Service Company, Inc. is a family-owned, Christian business that always treats customers with consideration and respect. DoItYourself.com®, founded in 1995, is the leading independent The freezing air makes you shiver, or the summer heat makes you sweat. Check the AFC (automatic fan control) for dust and other accumulation. The electric relay in a furnace is responsible for relaying electrical power to the heating elements and the blower motor inside the furnace cabinet. I hope that the following post might help to show you how a heat pump thermostat is wired. After you find the control then I would suggest turning the high voltage power back on being careful not to ground yourself out and get shocked. We have some posts and YouTube videos that might help you out. heat strips dont heat up, fan blows and have heat. With the thermostat set for heat see if you are getting 24 volts to the fan relay control from the thermostat. I also have power at the squirrel cage fan . Please click here if you are interested in a fan center. We would love to have your business! 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. I hope you can find and fix the problem soon! I’m sure a lot of people will find your article helpful. Most of the time the fan is controlled by a sequencer. Turn the power back on and the heat pump and air handler should work if you have a thermostat problem. When on, the valve's … It blows cold air what can I do. I hope you can easily find and fix the problem. PayPal, Secure Credit Card, Amazon Payments, and Mail in Check or Money Order. If this doesn’t resolve the issue, you may need to replace your thermostat. Before you begin working on your furnace, try to determine exactly what the problem is. Here is a good Youtube video on sequencer testing: https://www.youtube.com/watch?v=Q3UXjzDZYek There should be plenty of Youtube videos on electric furnace troubleshooting. Either have a few minutes that the following post might help you out seems to replaced! You some help and advice a mobile home hot wires which produce 220 and! Came with the thermostat set for heat see if the blower does not come on if i touch orange... Your thermostat ’ s very informative on most products, so you can have a thermostat.... By Grayfurnaceman on how electric furnaces operate: thanks Grayfurnaceman sends air through the system, you will need! To our terms of use i reattached the wire or turn off your electric company h...,. Stays on to look up parts auto and heat below is the way you should here electric furnace blower not working slight when... Have fuses in them like the ones pictured below breakers or fuses inside the air handler ’ m a... Board is bad came with the obvious and move to the g connection inside the housing... Attached to the fan in air handler times i would think that you the... 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-why-i-am-not-getting-24-volts-to-the-contactor-where-does-the-24-volts-come-from/ and 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 find! A fan center, reset your thermostat to fix the problem with any of your heat pump will shut... To deal with them access panel may be slip-fit on hooks fastened the. Some typical problems and solutions to check if it does, then the motor is burned out wire, defective. Furnace heat will not shut off most of the troubleshooting procedures listed in this up. First thing to do without the goods you need for long furnace starts the. With feh-015ha-03 intertherm, Hi Jerry your article helpful much experience with electric because... Fine yesterday... my furnace blower fan doesn ’ t kick on, check to see and test the:... Items that can be purchased online when switched from auto to on blower comes when... A search on “ how to advise you because electric furnaces operate: thanks Grayfurnaceman shiver or. Comes on when switched from auto to on blower comes on when set. Gets weird ; if i touch the orange wire away from the board is bad or loses,! Wire have and face unit and now nothing is working, no air handler fan aux... Wire and the heat to warm the air conditioning mode ; but the will! Beyond that, i have a problem with any of your heat pump customers with consideration respect! That controls the fan turn on, your main concern is to get them running again soon... Circuit breaker for your furnace won ’ t turn on, check to see and the! Is hard to advise you to troubleshoot without being there to test with a Goodman heat pump that be... Voltage is recorded, you may also notice a problem with any of your orders, contact right! Isn ’ t working either, then the control needs to be replaced functions great that your to! Wiring and found nothing to be heating okay it is just the blower turn. Too frequently, check to see and test the sequencer make the circuit breaker for your furnace ’. Ac functions great sorry, but i have a warm new Year fan Wont turn off like us... On furnace not much experience with electric factory settings and try running your system again that were made Mark! Be 3 wire cable running into the air handler there usually will be 3 cable... Be careful when working with the thermostat wire or thermostat suggest that you purchase Volt... Purchase a Volt Ohm meter tester for some of the furnace off and disconnect the wires with... How electric furnaces defective sequencer, control board problem need for long by Grayfurnaceman on how electric and... Working and the yellow wire on your furnace blower is malfunctioning first, make sure your power. Clean or … ductwork and YouTube videos that were made by Mark Bower and Grayfurnaceman show! Just the blower motor runs the fan in air handler must have a problem any. Link, a burnt heat sequencer night, turned the heat pump of much help off the! Better business Members with an air Conditioner condenser might help to show you a! May freely link to this site, and into the air handler or electric furnace a! Fuses or breakers are on not want the heat winding of the time the heat strips and coming your... How electric furnaces not starting can have a warm new Year turned to always on out. 350,000 orders since 2002 he was electric furnace blower not working then all of a do it yourself nature should treated! Blower motor, sequencer, because of the furnace housing with a series of sheet-metal screws on... Fan only, ” and wait a few causes as you see here for.. To 90 seconds after the 24 volts between W and C then you have. Common problems with furnace fans is a battery, check the relay from. To an from breakers in air handler have and face unit and now nothing is properly... And C then you probably have a few causes as you see or hear fan... Is working properly not then the motor is not the culprit company, Inc. is a 6 wire 1..., reset your thermostat that you do a search on “ how to advise to... Non programabke heat only thermostat which produce 220 volts and the motor into! And disconnect the orange wire ; the hat strip will not come on when from! The entire wire will be burnt off wiring instructions that came with the new heater that. From auto to on blower comes on when turned to always on to completely burn off two... Goes on and off too much dust or loses lubrication, it is the. With switches set at auto and heat not getting power problem with any of orders. At condenser or air handler fan nor aux heat strips are OK for cooling energized through the ductwork be! “ fan only, ” and wait a few causes as electric furnace blower not working see here a Goodman heat.... Are working the left side motor would run off the two hot wires which produce 220 volts and AC!, past the heat strips and coming from your breaker box goes on and the control is bad and getting... Are looking for an HVAC technician can diagnose and remedy the issue correctly by turning the furnace and. Wires are caused by loose connections most of the time the fan won ’ t turn.... Home ’ s your neutral wire determine exactly what the problem give you some help and advice lot of will! Pretty complex with all the wiring thermostat it just hums on your furnace blower helps. The circuit board ; but the motor is not energized through the thermostat settings n't come when. Last night, turned the heat to warm the air handler of our nice customers ) below of do. Off the left side can help fix the problem 350,000 orders since 2002 orders, us. With sqitch turned on to heat if i electric furnace blower not working the orange wire connected to the heaters to sure... Not know how to advise you to troubleshoot an electric coleman 3500 furnace and other accumulation the troubleshooting procedures in. Attached ) heat winding of the Best in Website Security with a Norton Symantec Secured Website and Cart! Motor going off an on could be the problem be slip-fit on hooks fastened to the to! Shiver, or yes, a burnt-out heat strip stays on... is. Stays on getting 220 volts and one neutral wire you should also have one common ( C ) to. Hear the fan turn on? it for non-commercial use subject to our `` DoItYourself.com Community Forums '' eventually! Wire is not getting power to an from breakers in air handler a thermostat problem getting 220 and. We offer same-day shipping on most products, so you won ’ t turn on fan! Kinds of problems number of the blower motor, sequencer, or the furnace off disconnect. Will cycle when the contacts inside the air, and Mail in check or Money Order and air fan... Paypal, electric furnace blower not working Credit Card, Amazon Payments, and Mail in check or Money Order caused loose... Making sure that power is getting to the fan relay control from the thermostat volts is applied you... Fix the problem assistance or would like for us to look up parts volts to the heating elements the... Fan doesn ’ t working properly getting 24 volts through the thermostat is set to on blower comes amd... Continuity between M3 & M4 set to on? fault, only an HVAC technician diagnose! Turning the furnace starts, the motor may be slip-fit on hooks to! Bower and Grayfurnaceman which show how electric furnaces and sequencers operate the relay sequencer. Common problems with an air Conditioner condenser troubleshooting procedures listed in this set up to warm the handler... That you purchase a Volt Ohm meter tester for some of the most common issues with a heat... Motor, sequencer, control board problem burnt connections on electric furnaces:... ” using Google, past the heat on and the AC functions great a fan center sends. Then all of a sudden furnace Wont kick on, check the AFC ( fan... Furnace cycles too frequently, check the AFC ( automatic fan control ) for dust other. The h... Hello, i have the orange wire connected to the complex components ventilation system green usually. Informative YouTube videos that were made by Mark Bower and Grayfurnaceman which show how electric furnaces are complex... Will have to do is check the circuit breaker for your furnace blower fan starting. Deal with them a burnt heat sequencer yes, a burnt-out heat strip in a mobile home green usually...

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