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How Does My Electric Furnace Operate? How do I Troubleshoot Electric Furnace Problems?


Problem: I have a heat pump with electric auxiliary heat. I am interested in knowing how an electric furnace operates, how the electric heat strips operate, and how to troubleshoot our electric furnace if I have a problem?

Answer: We have had several people ask us about electric furnaces and heat pumps that use electric heat strips for backup auxiliary heat. Most people want to know how the electric furnace operates and how to troubleshoot electric furnaces if there is a problem. I always recommend a good multimeter for testing. We can not see electricity so it is impossible to test electric circuits without a meter. We sell a really good multimeter made by Fieldcrest on the following page: Please click here if you would like to see a really nice multimeter that we sell.

Many times electric furnace problems can be attributed to burnt loose wires or a bad sequencer.  Please click here if you would like to see the sequencers that we sell.  Another common problem with electric furnaces is open fusible links. Please click here if you are interested in the fusible links that we sell.

We have two really good YouTube Videos made by AC Service Tech LLC, Craig Migliaccio that explains how to troubleshoot air handlers with electric heat strips. Mr. Migliaccio explains electric heat strips and components with how to read voltage, path, and resistance. Thanks so very much to AC Service Tech LLC for making these two great Youtube Videos! If you would like to see more great HVAC Repair and troubleshooting videos then please click on the following link: All AC Service Tech Videos. If you have any questions please let me know by emailing us:  or comment below. I hope this will help you out in fixing your HVAC equipment! Steve Arnold

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