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Heating element not working

I have a slight problem, It seems that my electrical furnace's heating element is not coming on, I can hear it call for it to turn on, fan comes on, if fact everything works as it should, excep the heating element will not come on. How do I test it?

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  • 148 Answers

Condinuity test between each end it has to make a complete circuit

Posted on May 10, 2009

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I have a colman furnace one element stays on constantly can you tell me why


Furnace is the term we use for a gas system. I'm assuming you have an electric "air handler"(unit), and or has 1 element staying on, glowing red, and cycling on a limit. These elements are controlled by "heat sequencers", heat relays, and some older units used heat contactor's. This "switch" is stuck closed & must be replaced. I've also seen a direct short at the element itself, where the element has come apart, and a part of that element had touched ground. This completed the circuit and allowed the element the energize. Hope this helps! Its probably a stuck (closed), switch that's supposed to open when the tatat is satisfied.

Feb 21, 2017 | Heating & Cooling

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Heat element continues after t-stat satisfied.


Sounds like the heating element has broken in two and is shorted to ground. even with only 110 to one side of the element and if the element burns in two and fall against the side of the frame it will complete the circuit and begin to heat up. Make sure you shut the power off to the furnace and then pull the heating element assembly and examine the elements to see if any are broken and shorted to the frame.

Mar 03, 2015 | Coleman Home Electric Furnace Eb15b/Eb15d

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Intertherm feh 015ha


either the heat strips, fusible links on elements or sequencers.

Sep 21, 2013 | Intertherm E3EB010H Electric Furnac

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Intertherm furnace burner comes on, but blower does not. If I turn thermostat off then back on until it clicks the fan will then come on. It does not do this all of the time, just now and then.


Furnace burner and heat element are not the same. I think the fan time delay, a sensor that turns the fan on when this sensor senses heat, is shot and needs replacing, for a furnace type heat ( gas heat)

Aug 08, 2017 | Intertherm E3EB010H Electric Furnac

1 Answer

Furnace is blowing cold air.


You must have an electric furnace, gas furnaces only come on when the heater is warm. Electric heaters come on with the use of a sequencer. Your sequencer, tstat, and blower is fine, which means you must have broken heating element. I have a nice pictoral of how to restring one HERE

Feb 21, 2011 | Carrier Heating & Cooling

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I have an Intertherm electric furnace in my mobile home model # FEHB 015A. The heater started acting up by first blowing warm air like normal but then blowing cool, not heated air after a few minutes of...


http://www.nordyne.com/Literature/707716c.pdf
http://www.nordyne.com/Literature/359a.pdf
The diagrams above may not be exactly what you are needing. But they will be close. Usually the diagram for the furnace is on the inside of the blower fan door. Two things come to mind. It seems like your limit switch(s) are cutting out, then in, then out, etc and may have failed totally. These are in the system to prevent the temperature in the furnace from getting too high. Why they are cutting in and out may be due to the lack of sufficient air passing through the furnace. This can be caused by, 1. the fan speed is too slow, or 2. the air filter is needing to be changed. I am not sure how proficient you are with electrical troubleshooting. I would (turn off all power to furnace) find the limit switches (usually at the top of the heating elements) and check to see (with an ohm meter) if the switches are allowing the meter's current to flow through them. Your meter should read near zero, if not, then I would replace the switch with an exact one. If you are proficient with electrical troubleshooting, I would place the furnace in the "call for heat" position, with the power on, (be careful, this stuff can hurt) and I would see if I have voltage at the heating elements, and I would check with my voltmeter across the two leads on each limit switch if there is voltage present. If there is voltage present, then the switch is probably ****.
Depending on the furnace you have, you might have a number of switches that control the heating elements, these units are usually time delay and if they fail, you should replace them with the same delay time. I hope this helps.

Dec 07, 2010 | Heating & Cooling

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Sometimes the furnace doesn't come on when it should


OK so its an all electric furnace no gas? I cant think of anything clicking on an electric furnace except the sequencers or the safety switches.

If this is whats your hearing then the fan should definitely be running.

Feel carefully around the fan motor (I assume this is in a mobile home). See if you detect any heat coming around the blower area close to the fan motor. If so the fan motor may be at fault or one sequencer may be out (the main one of course...) the thing is can you get the fan to come on by turning the auto switch on the thermostat (or if older model the Auto On switch on the furnace) to ON? If so you can "limp by and have heat til someone either checks it or you can go on deeper into it. but to go deeper you'll have to let me know you know where the elements are and that you have a volt meter. and feel comfortable using it especially on HOT wires.

Mar 03, 2009 | Heating & Cooling

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