Fixing Error Code 228 on Your Lennox® Furnace

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

This means your furnace couldn’t regulate its pressure switch before turning on. As a consequence, your system will not run for safety reasons.

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

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

How a Pressure Switch Works

This part plays a critical part as your furnace prepares to work in your house.

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 exhausts 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 tells 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 promptly, you’ll likely hear the fan start and the switch clicking multiple times before the furnace switches off completely. When a part isn’t working right, your furnace will turn off to protect you.

Your furnace will let you know something is wrong with a red flash from its indicator light, which it uses to exhibit 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 look at other parts of your furnace first. Several other issues can also generate the error code, like a clogged vent or cracked hose.

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

Start with the Experts at Service Experts Heating & Air Conditioning

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

Call us at 866-397-3787 or schedule an appointment online today.