Fixing Error Code 228 on Your Lennox® Furnace

Not sensing any heat and noticing error code 228 from your Lennox® furnace?

This means your heating system couldn’t regulate its pressure switch before launching. As a result, your system will not run for your safety.

Repairing or replacing this part is a task for the Experts at Stevenson Service Experts  in Columbus. Our ACE-certified technicians are among the brightest in the industry. They’re well-qualified to work on all of your heating needs, including clearing a furnace error.

We want you to be absolutely satisfied with our quality furnace repair* for a year.

How a Pressure Switch Works

This part plays an important role as your furnace prepares to warm your home.

Here’s what happens after your thermostat’s call for heat:

  • Your furnace’s control board begins running the draft inducer blower motor. This pushes out combustion gases from the heat exchanger and brings in new gas and air so the burners can fire.
  • When the pressure switch senses that enough air is being pulled into the burners, it closes and commands the control board to ignite the furnace.
  • Your furnace ignites and creates heat.

What Happens When a Pressure Switch Fails

When your pressure switch isn’t functioning the way it should, you’ll likely hear the fan start and the switch clicking a few times before the furnace shuts down completely. When a part isn’t working right, your furnace will turn off to protect you.

Your furnace will show you something is incorrect with a red flash from its indicator light, which it uses to exhibit error codes. It uses this red light to flash code, like Morse code.

You may notice quick flashes or an alternating slow flash as it passes on a fault code.

Estimated Repair Cost for Furnace Error Code 228

Before replacing the switch, your Stevenson Service Experts  Expert will look at other parts of your furnace first. Some other issues can also cause the error code, like a congested vent or cracked hose.

The price to remedy your furnace depends on the issue with it and how long it takes to fix it.

If your pressure switch needs to be replaced, you can anticipate to pay between $40 to $350.

Count on the Experts at Stevenson Service Experts

If you require furnace repair, trust the technicians from Stevenson Service Experts  to understand the fault code and fix the situation to your standards.

Call us at  or schedule an appointment online today.

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