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 starting. As a consequence, your system will not run for safety reasons.

Repairing or replacing this part is a task for the Experts at A-PLUS Service Experts in Waldorf. Our NATE-certified technicians are among the best in the industry. They’re well-prepared to handle all of your heating needs, including fixing a furnace error.

We want you to be completely satisfied with our quality furnace repair in Waldorf. That’s why we back it with a 100% Satisfaction Guarantee* for a year.

How a Pressure Switch Works

This part plays an important duty 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 starts running the draft inducer blower motor. This drains combustion gases from the heat exchanger and brings in new gas and air so the burners can fire.
  • When the pressure switch senses that sufficient 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 Fails

When your pressure switch isn’t working the way it should, 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 performing right, your furnace will turn off as a safety precaution.

Your furnace will tell 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 note short 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 A-PLUS Service Experts Expert will check other parts of your furnace first. A handful of other issues can also cause the error code, like a clogged vent or cracked hose.

The bill to repair your furnace depends on what’s wrong 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 A-PLUS Service Experts

If you need furnace repair, turn to the professionals from A-PLUS Service Experts to diagnose the fault code and fix the situation to your requirements.

Call us at 301-747-3140 or schedule an appointment online today.