What Causes a Furnace Circuit Board To Burn in Corona, California?
Inland Empire Comfort
January 7, 2025
Do you smell burning coming from the electrical connections in your furnace? Your furnace circuit board may have briefly caught fire.
As the trusted provider of furnace repair services in Corona, CA, Inland Empire Comfort can help you understand the causes of a burning circuit board. From Prado Dam to Temescal Canyon, we're passionate about keeping Corona safe and warm.
What Does a Furnace Circuit Board Do?
Also called a control board, the furnace circuit board acts as a control module for your device. It regulates the power going to each component in your heating system, such as the thermostat. Using relay switches and ignition sequences, each component is activated at the right time.
It helps with functions such as blower timing and transformer voltage so each component gets the right amount of power when it needs it. A Corona HVAC technician can use the control board to increase the effectiveness of their maintenance.
Why Your Corona Circuit Board May Burn
A new furnace can cost several thousand dollars in Corona, so you only want to replace it when necessary. While you may understand diagnostic codes that tell you why you have a burning circuit board, an HVAC technician can determine the underlying cause.
Wiring Issues Due To Loose Connections
Your furnace vibrates and moves subtly as it operates. Over time, these movements can loosen the electrical connections in your furnace. You can likely blame this cause if your furnace turns on and off rapidly.
Power Surges From Damaged Wiring
Most people blame the utility company for severe weather when they experience a power surge. However, did you know it can occur from faulty wiring in your home? If you have old or loose wires, a power surge may fry your furnace's control board.
Transistor Complications
Transistors regulate the power running from your utility company to your furnace. When they work correctly, they lower the power level to avoid overloading your components. If they malfunction, the incoming power may overwhelm and burn your circuit board.
An Unexpected Spark From Static Shock
If you build up static and touch your furnace, the spark could fry your control board. Most people don't realize how much power a static shock has. You can help avoid satic in your home by keeping the humidity levels moderate and wearing cotton socks.
Old Age Finally Catching Up To Your System
You can expect your furnace to last between 15 and 20 years with proper care. As it reaches the end of its life expectancy, it runs less efficiently, wears down, and accumulates dirt. All these factors can put your control board at risk of burning.
Schedule Reliable Furnace Service in Corona
When you need help with your furnace circuit board, call Inland Empire Comfort. From knowing the signs of a bad furnace switch to helping you choose the perfect heating system for your home, we go the extra mile to provide satisfying service. Whether you live near Eagle Glen Golf Club or Fairview Park, you can benefit from our friendly professionals and competitive prices.
Contact us today to schedule an appointment.
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