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Furnace troubleshooting questions with answers index

Below we have quick links to pages where problems and solutions are discussed for your quick reference and hopefully a quick solution to your problem. Special thanks are in order for the many people who took the time to do the YouTube videos that are included on our pages! I know that it is much easier for me to learn if I can see the problem and repair through a video or picture! Near the bottom of each page there is an area that allows you to comment or ask questions. If you have any questions please feel free to email us at or comment on the perspective page. We would love to help you out and answer your questions! Hope you have a blessed day! Steve & Barbara Arnold

  1. Problem: Will the pressure switch correct my water drainage problem? (With two YouTube Videos)
  2. Problem: How do I test and troubleshoot my gas furnace pressure switch? (With one YouTube Video)
  3. Problem: What is the sequence of operation of my 80% gas furnace? (With one YouTube Video)
  4. Problem: Furnace will not ignite. Ignitor will not glow. (With two YouTube Videos)
  5. Problem: Furnace or water heater pilot will not stay lit. (With one YouTube Video)
  6. Gas & Electric Furnace Troubleshooting Simplified (With one YouTube Video)
  7. Furnace Troubleshooting Flow Chart.
  8. Problem: Furnace comes on, doesn’t run long then shuts off. Will work if thermostat is turned way up. (With one YouTube Video)
  9. Furnace Hot Surface Ignitor Troubleshooting Videos.
  10. Thermostat Replacement (Video)
  11. Furnace Control Board (Video)
  12. Furnace Blower Replacement (Video)
  13. Problem: Furnace main burner ignites, the main burner stays on for 8 to 10 seconds, then shuts right back off (With one YouTube Video)
  14. Problem: Blower shuts off too soon, cycles off and comes back on within 30 seconds
  15. Problem: The fan on your furnace runs all the time and will not shut off (With one YouTube Video)
  16. Problem: Fan will not come on in the “ON” position or your fan will not come on when you turn the thermostat down
  17. Problem: Furnace, air conditioner heat pump will not come on. Blown fuse on board. (With one YouTube Video)
  18. Problem: Draft inducer will not start, ignitor will not glow or gas valve will not open.
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