Fixing Error Code 228 on Your Lennox® Furnace

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

This indicates your HVAC equipment couldn’t adjust its pressure switch before starting. As a result, your system will not run for safety reasons.

Repairing or replacing this part is best left to the professionals at Service Experts Heating & Air Conditioning in Salt Lake City. Our NATE-certified technicians are among the best in the industry. They’re well-qualified to take care of all of your heating needs, including clearing a furnace error.

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

How a Pressure Switch Works

This part plays a prominent duty as your furnace prepares to work in your space.

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

  • Your furnace’s control board begins 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 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 functioning correctly, you’ll likely hear the fan going and the switch clicking multiple times before the furnace shuts down completely. When a part isn’t performing right, your furnace will turn off to protect you.

Your furnace will show you something is amiss 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 see quick 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 Expert will check other parts of your furnace first. Several other issues can also generate the error code, like a congested 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 plan to pay between $40 to $350.

Trust the Experts at Service Experts Heating & Air Conditioning

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

Call us at 801-871-8425 or schedule an appointment online today.