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Make Sure You Test Your Furnace or Heat Pump Early to Make Sure It Is Working Properly.

Troubleshooting Gas & Electric Furnaces

Hi Everyone! We would highly recommend that you test your furnace or heat pump on a cool fall evening to make sure that your furnace or heat pump is working properly. We do not recommend waiting until the weather gets really cold out before testing your heating and air conditioning equipment because this could result in a really cold house or an expensive repair service call. We recommend having an extra furnace hot surface ignitor and flame sensor on hand. We sell furnace hot surface ignitors on the following page: Please click here to see the name brand furnace hot surface ignitors we sell. Please click here to see the name brand furnace flame sensors that we sell.

You might even want to keep an extra furnace pressure switch too. Please click here if you are interested in the furnace pressure switches that we sell.

If you would like to look up any parts for your furnace or heat pump please send us your furnace or heat pump’s brand name and model number and we will be happy to look up and recommend parts for you! Our email address is support@arnoldservice.com

Below we have two real good Youtube videos. One is from Word of Advice TV titled “Is Your Furnace Not Working Right? How to Check it Yourself.”

Another great YouTube Video called, “Furnace Troubleshooting” by Structure Tech Home Inspections.

We have lots of furnace troubleshooting advice on the following page: Please click here to see our Gas & Electric Furnace Troubleshooting page.  I would suggest going through the troubleshooting flow chart to see what is wrong: Please click here if you would like to see a furnace troubleshooting flow chart.  We also have lots of troubleshooting questions and answers on the following page:  Please click here if you would like to see our furnace troubleshooting questions and answers index page.  If you have any specific questions please let me, Steve Arnold  know and I will be glad to try and answer any questions. My email address is support@arnoldservice.com

We hope this will help you keep your home warm and toasty this winter! Thanks so very much for reading this article! God bless you and your family today and always! Steve & Barbara Arnold

2 thoughts on “Make Sure You Test Your Furnace or Heat Pump Early to Make Sure It Is Working Properly.

  1. Hello, I have a Lennox G23 forced air furnace, it seems to stay in purge cycle,it will call for heat, the fan comes on and seems to stay that way except for a very short ignition(spark) try, I have gotten it to fire by turning the power off for an hour or so and this works for a week or so, at least till now, circuit board & fan capacitor were changed in the spring and was good till this recent cold spell, any ideas? Thank you

    1. Hi George! This sounds like you either have a loose wire connection or another control board problem. I would suggest that you turn the power off to the furnace and make sure all wires and connections are good and tight. I would suggest making sure that when the draft inducer comes on that your pressure switch is closing (making a complete circuit between the two wires). Check the flash code on your control board if it has a flash code to see what trouble code the board is flashing. Make sure that the limit and any rollouts are closed. We have lots of furnace troubleshooting advice on the following page: https://arnoldservice.com/gas-electric-furnace-troubleshooting-simplified-2/ I would suggest going through the troubleshooting flow chart to see what is wrong: https://arnoldservice.com/wp-content/uploads/2014/12/furnace-troubleshooting-flow-chart.pdf We also have lots of troubleshooting questions and answers on the following page: https://arnoldservice.com/furnace-troubleshooting-questions-answers-index/ If you have any specific questions please let me know. Thanks! I hope you can easily find and fix the problem. Steve

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