Why Does My Heating System Keep Turning Off?
Your furnace has several safety switches that are monitoring different conditions within the system. If they detect a problem, they will turn off your furnace to keep it from failing. If a safety switch turns off your furnace, the controller will wait a few minutes and restart the furnace. If a safety switch still detects a problem or is malfunctioning, it will turn off your furnace again. This cycle may continue until the problem is determined and fixed. A Diagnostic Test Will Find Your Furnace’s Problem Safety switches are monitoring airflow, heat buildup and the presence of a flame when fuel is being fed to your furnace. The skilled technicians at in Burbank, CA, can determine if a safety concern is present or if one of the sensors is beginning to fail. One of these sensors is monitoring the volume of air flowing through your furnace. Low airflow can cause the heat exchanger to overheat. An airflow problem might be caused by a dirty air filter, a dirty blower wheel, too many closed heat vents or an obstruction within the system. The flame sensor is ensuring that a flame is present when fuel is being fed to the ignition chamber....
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