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Signs of a Bad Furnace Flame Sensor

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Signs of a Bad Furnace Flame Sensor

The flame sensor refers to the heating system safety component placed on the interior of the furnace burner box. It confirms the existence of a flame within the machine. Nevertheless, if the flame sensor does not notice an active flame burning, it will switch off the heater to prevent a gas leak.

Hence, it might not be wrong to say that a furnace flame sensor is a vital component that prevents heating explosions and carbon monoxide poisoning. However, to ensure that your heating flame sensor remains in good working condition, it is important to call experts for routine maintenance and heating repair in Covina.

Signs of a Malfunctioning Furnace Flame Sensor

As the name implies, a furnace flame sensor detects the heating flame. If the flame sensor notices no fire, the gas valve will shut to control excessive gas leakage. Understanding when to update your heating system flame sensor is a crucial part of your home fire safety routine. Moreover, there are two ways to determine whether or not your furnace flame sensor is faulty: monitoring how your heater operates or inspecting it.

Mentioned hereunder are some common signs that indicate a poorly working furnace flame sensor.

  • Yellow Furnace Burner Flames

Open up or peek through the peephole of your gas heating system to check the color of the flames blazing up in the furnace burner. If they are yellow, that implies that the gas isn’t entirely burning away. This is most likely because the carbon monoxide is not effectively venting out of the machine.

It is best to call experts for heating repair in Covina if this is the case. They can help you mitigate the issues with a furnace flame sensor and observe the carbon monoxide detector reading.

  • High Power Bills

If your electricity bills are higher than usual, even in normal temperatures, it might be a sign that your furnace flame sensor is not working properly.

  • Intense Corrosion or Cracks

A corroded or rusted flame sensor owing to moisture in the air would remain unfit to perform its role adequately. The same is true for a furnace flame sensor that has been broken or chipped due to heat exposure. If you discover signs of damage to the furnace flame sensor, you should replace it in your heating system.

If your heating system lights up but then turns off after a few seconds, it indicates a faulty flame sensor. If your furnace flame goes out almost immediately, it is reasonable to assume that the furnace flame sensor has broken. Another effect of a broken flame sensor on your heating system is that it may malfunction to detect a burning fire and shut down the furnace even if it is functioning normally.

If you are lately experiencing any of these problems, it is better to call experts for heating repair in Glendora, CA. To schedule a repair session with our professionals at Temp Air System, call us at (626) 609-7437.