If a technician tells you that your furnace’s circuit board is damaged, you might wonder, “What causes a furnace circuit board to burn?” or “What could I have done to prevent it?”
Don’t blame yourself. Circuit board failures are difficult to detect before they occur. A faulty component can slowly cause damage until the entire board burns out.
So, how can you avoid hidden issues that drive up your heating bill and affect your comfort in Hurricane, West Virginia? Best Virginia Heating & Cooling offers unbeatable HVAC service in Hurricane, WV, and addresses this very issue.
Discover common reasons a furnace circuit board can burn out and how Best Virginia Heating & Cooling can help prevent it.
How Your Furnace Circuit Board Controls Your Heat
Your furnace circuit board is the command center of your HVAC system. It directs every component, from ignition to blower motor, safety sensors, thermostat communication, and gas flow management.
Because it controls so much, any issue with the circuit board can impact your entire system. The worst part is that you might not notice a problem immediately. A failing electrical component could quietly disrupt performance before a complete breakdown occurs.
How To Spot a Failing Furnace Circuit in Your Hurricane Home
What causes a furnace circuit board to burn? How do you spot this issue before it wreaks havoc on your HVAC equipment? Let’s review the warning signs to catch minor issues early.
1. Loose Wiring
Furnaces produce a lot of noise and movement. Vibrations can loosen or disconnect wires if your panel is not installed correctly. This can cause the breaker to trip repeatedly and make your furnace less efficient, leading to higher energy costs.
The safest way to fix this is to call an HVAC technician in Hurricane. Furnace wiring can be dangerous, but a professional can find the loose connection and secure or replace it to keep your system running correctly.
2. Power Surges
Did you know one in 200 homes gets struck by lightning each year? If that energy hits your HVAC system, it can fry the circuit board instantly.
You might not notice it if it happens while you’re away, but a hidden issue like this could raise your energy bills by up to 20% each month. This is why figuring out what causes a furnace circuit board to burn can be so challenging.
3. Relay and Switch Issues
A relay switch is an electrically controlled component that powers larger circuits. A furnace’s relay switch connects the thermostat to key parts, signaling them to turn on and off. If the switch fails, the furnace may stop working altogether.
Like any mechanical part, it wears down over time. A lightning strike can overload and damage it, while dirt and debris can build up inside, preventing it from working correctly. Regular maintenance can help catch these issues before they lead to more significant problems.
4. Static Electricity
Did you know that even a small static discharge can damage your furnace like a lightning strike?
If you or an inexperienced HVAC technician handle the circuit board with a static charge in your body, that tiny spark can damage critical components that ultimately prevent your system from working.
What Happens When Your Furnace Circuit Board Gets Too Old?
Most furnaces last between 15 and 20 years. If yours is approaching that age or past it, consider replacing it. Over time, exposure to loose wiring, vibrations, static electricity, power surges, and thermal expansion can wear down the circuit board and other key components. If a replacement isn’t an option, regular maintenance can help extend the life of your furnace and keep it running efficiently.
Enhance Your Comfort and Safety in Hurricane, West Virginia, With Professional HVAC Services
Take a close look at your furnace’s circuit board, and you’ll see how complex these systems are. Thousands of tiny electrical components work together to keep your furnace running. If just one connection fails, your entire system can stop working, and before you know it, your furnace is blowing cold air instead of keeping your home warm.
When that happens, you may ask, “What causes a furnace circuit board to burn?” and consider fixing it yourself. Please don’t! Furnaces are dangerous, and fixing a circuit board without the proper knowledge can lead to electric shocks or even a house fire.
Call the experts at Best Virginia Heating & Cooling. We will diagnose and fix your furnace circuit board issues before they become more significant, expensive problems. Stay comfortable all year with reliable furnace repair from Best Virginia Heating & Cooling.