Fixing Error Code 228 on Your Lennox® Furnace

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

This indicates your furnace couldn’t correct its pressure switch before turning on. As a reaction, your system will not run for safety reasons.

Repairing or replacing this part is better left to the Experts at Midland Air Service Experts Heating & Air Conditioning in Columbia. Our NATE-certified technicians are among the brightest in the industry. They’re well-equipped to take care of 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 a critical role as your furnace prepares to warm your space.

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

Your furnace will show you something is wrong 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 note 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 Midland Air Service Experts Heating & Air Conditioning technician 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 price to remedy 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 anticipate to pay between $40 to $350.

Count on the Experts at Midland Air Service Experts Heating & Air Conditioning

If you need furnace repair, reach out to the technicians from Midland Air Service Experts Heating & Air Conditioning to check out the fault code and fix the situation to your requirements.

Call us at 803-399-7208 or schedule an appointment online today.