Fixing Error Code 228 on Your Lennox® Furnace

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

This indicates your furnace couldn’t adjust its pressure switch before turning on. As a consequence, your system will not run for your protection.

Repairing or replacing this part is best left to the Experts at Service Experts Heating & Air Conditioning in Denver. Our NATE-certified technicians are among the elite in the industry. They’re well-equipped to handle all of your heating needs, including repairing a furnace error.

We want you to be completely 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 part as your furnace prepares to warm your house.

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

  • Your furnace’s control board starts running the draft inducer blower motor. This drains 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 operating the way it should, you’ll likely hear the fan start and the switch clicking multiple times before the furnace switches off completely. When a part isn’t performing 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 present error codes. It uses this red light to flash code, like Morse code.

You may see quick flashes or an alternating slow flash as it transmits a fault code.

Estimated Repair Cost for Furnace Error Code 228

Before replacing the switch, your Service Experts Heating & Air Conditioning Expert will investigate other parts of your furnace first. Several other issues can also create the error code, like a clogged 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 expect to pay between $40 to $350.

Start with 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 problem to your requirements.

Call us at 303-647-5853 or schedule an appointment online today.