What causes a Lennox furnace to cycle on limit switch lockout after running for only five minutes, and how do I bypass it temporarily?
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What causes a Lennox furnace to cycle on limit switch lockout after running for only five minutes, and how do I bypass it temporarily?
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Lennox furnace high limit switch lockout troubleshooting airflow filter blower limit fault manufacturerGoogle ↗
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Lennox furnace high limit switch lockout troubleshooting airflow filter blower limit fault manufacturer Google ↗
- SERVICE If status code recall is needed, briefly · lennoxproducts.com
- 507536-08 3/2025 · lennox.com
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