How to Fix Your Gas Furnace Lighting Issues (Troubleshooting & Repair)
Cold? DO THIS to FIX FURNACE that LIGHTS BRIEFLY then SHUTS OFF. Are your furnace burners only coming on for only a few seconds and then shutting off? This is the most common furnace problem which also happens to be the easiest thing to fix. This is called short cycling.
Almost all gas furnaces have a flame sensor or flame detector. If your flame sensor is dirty, glazed over, or covered with dust, it can shut off the burners after being lit for about four seconds. You can fix this problem yourself in just a few minutes. In this video, I will show you exactly how to fix this problem.
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