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Lennox furnace error 201

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Lennox furnace error 201

If your Lennox furnace displays error code 201, it typically indicates an issue with the unit’s high-limit switch. This switch is designed to shut off the furnace if it gets too hot, which can help prevent damage to the unit or even a potential fire hazard. However, if the switch is faulty or not working properly, it can cause the furnace to shut down unexpectedly.
 
To troubleshoot this issue, you may need to check the high-limit switch and ensure it functions correctly. In some cases, the switch may need to be replaced entirely. Additionally, you may want to check the air filter and ensure it is clean and free of debris, as a dirty filter can cause the furnace to overheat.
 
If you are unsure how to troubleshoot or repair your Lennox furnace, consulting with a professional HVAC technician is always best. They can diagnose the issue and provide the best action to get your furnace up and running again. Remember that attempting to repair your furnace on your own can be dangerous and may cause further damage to the unit. It’s always better to err on the side of caution and seek professional help. Regular maintenance and cleaning of your furnace can help prevent these issues from occurring in the first place. Consider scheduling an annual maintenance check with a licensed HVAC technician to keep your furnace in top condition and avoid unexpected breakdowns. If you have any questions or concerns about your Lennox furnace or its error code 201, don’t hesitate to contact a professional for assistance.