Fixing Error Code 228 on Your Lennox® Furnace

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

This shows your HVAC equipment couldn’t regulate its pressure switch before launching. As a result, your system will not run for safety reasons.

Repairing or replacing this part is a task for the technicians at Service Experts Heating & Air Conditioning in Naples. Our NATE-certified technicians are among the brightest in the industry. They’re well-qualified to take care of all of your heating needs, including repairing a furnace error.

We want you to be thoroughly satisfied with our quality work. 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 heat your house.

Here’s what goes on 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 tells the control board to ignite the furnace.
  • Your furnace ignites and creates heat.

What Happens When a Pressure Switch Malfunctions

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

Your furnace will tell 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 quick flashes or an alternating slow flash as it communicates 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. A handful of other issues can also generate the error code, like a clogged vent or cracked hose.

The bill to fix 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 plan to pay between $40 to $350.

Trust the Experts at Service Experts Heating & Air Conditioning

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

Call us at 239-908-6991 or schedule an appointment online today.