lennox f5 error

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lennox f5 error

If you are experiencing a Lennox F5 error, it is likely related to a problem with your furnace’s limit switch. This switch is responsible for shutting off the furnace if it becomes too hot, preventing a potential fire hazard. When the switch is triggered, it will cause the F5 error code to appear on your furnace’s display.

To fix the issue, you can try resetting the limit switch by turning off the power to your furnace and then turning it back on after a few minutes. If this does not work, you may need to replace the limit switch entirely. It is important to note that attempting to fix the issue yourself can be dangerous and may result in further damage to your furnace.

If you are unsure about how to proceed, it is recommended that you contact a licensed HVAC technician to diagnose and repair the issue. They will have the necessary tools and expertise to fix the problem safely and effectively and properly ensure your furnace functions.