🔥❄️ Furnace Turns On But Shuts Off After 30 Seconds? (Ignition Problem) ❄️🔥

🔥❄️ Furnace Turns On But Shuts Off After 30 Seconds? (Ignition Problem) ❄️🔥

If your furnace starts, you hear it try to light, and then it shuts back off quickly, that’s often an ignition or flame-sensing issue. The system is trying to heat — but a safety control stops it when it doesn’t “prove” flame correctly.

At Uptown Heating & Air Conditioning, we diagnose it fast and restore safe, steady heat.

⚠️ Common Signs
✔️ Furnace starts, then shuts off in seconds
✔️ You hear clicking or repeated ignition attempts
✔️ Heat comes on briefly, then stops
✔️ Furnace keeps trying to restart

⚠️ Common Causes
✔️ Dirty or failing flame sensor
✔️ Weak ignitor
✔️ Gas pressure / gas valve issues
✔️ Dirty burners or clogged orifices
✔️ Draft/venting problems affecting combustion
✔️ Control board or wiring issues

If it keeps trying to ignite, don’t keep resetting it — it can cause more wear and lockouts.

📅 Schedule your furnace check today!
📍 Houston, Katy, Cypress, Spring, Tomball & surrounding areas

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