Fixing Error Code 228 on Your Lennox® Furnace

Not getting heat and seeing error code 228 from your Lennox® furnace?

This indicates your furnace couldn’t correct its pressure switch before launching. As a consequence, your system will not run for your safety.

Repairing or replacing this part is better left to the technicians at Service Experts Heating & Air Conditioning in West Palm Beach. Our NATE-certified technicians are among the elite in the industry. They’re well-prepared to work on all of your heating needs, including repairing a furnace error.

We want you to be thoroughly satisfied with our quality furnace repair in West Palm Beach. That’s why we back it with a 100% Satisfaction Guarantee* 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 occurs after your thermostat’s call for heat:

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

What Happens When a Pressure Switch Malfunctions

When your pressure switch isn’t working promptly, you’ll likely hear the fan going and the switch clicking a couple times before the furnace switches off completely. When a part isn’t working right, your furnace will turn off as a safety precaution.

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

You may notice fast 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 Service Experts Heating & Air Conditioning tech will investigate other parts of your furnace first. Several other issues can also cause the error code, like a blocked vent or cracked hose.

The cost to fix your furnace depends on what’s defective with it and how long it takes to fix it.

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

Trust the Experts at Service Experts Heating & Air Conditioning

If you need furnace repair, turn to the pros from Service Experts Heating & Air Conditioning to check out the fault code and fix the issue to your standards.

Call us at 561-629-1826 or schedule an appointment online today.