Fixing Error Code 228 on Your Lennox® Furnace

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

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

Repairing or replacing this part is a task for the professionals at Service Experts Heating & Air Conditioning in Houston. Our ACE-certified technicians are among the best in the industry. They’re well-equipped to handle all of your heating needs, including fixing a furnace error.

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

How a Pressure Switch Works

This part plays a prominent role as your furnace prepares to work in your home.

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 moves 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 provides heat.

What Happens When a Pressure Switch Breaks Down

When your pressure switch isn’t functioning the way it should, you’ll likely hear the fan run and the switch clicking a few times before the furnace switches off completely. When a part isn’t working right, your furnace will turn off for your safety.

Your furnace will tell you something is wrong 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 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 technician will check other parts of your furnace first. Several other issues can also create the error code, like a blocked vent or cracked hose.

The price 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.

Count on the Experts at Service Experts Heating & Air Conditioning

If you need furnace repair, trust the technicians from Service Experts Heating & Air Conditioning to diagnose the fault code and fix the situation to your satisfaction.

Call us at (713) 352-7887 or schedule an appointment online today.