Fixing Error Code 228 on Your Lennox® Furnace

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

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

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

We want you to be completely satisfied with our quality furnace repair in Calgary. 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 house.

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

  • Your furnace’s control board begins running the draft inducer blower motor. This pushes out combustion gases from the heat exchanger and brings 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 signals the control board to ignite the furnace.
  • Your furnace ignites and supplies 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 start and the switch clicking a couple times before the furnace shuts down completely. When a part isn’t working 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 present error codes. It uses this red light to flash code, like Morse code.

You may see 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 tech will investigate other parts of your furnace first. Several other issues can also create the error code, like a congested vent or cracked hose.

The cost 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 plan to pay between $40 to $350.

Trust the Experts at Service Experts Heating & Air Conditioning

If you require furnace repair, trust the pros from Service Experts Heating & Air Conditioning to check out the fault code and fix the situation to your requirements.

Call us at 403-279-5760 or schedule an appointment online today.