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Fixing Error Code 228 on Your Lennox® Furnace

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

This shows your furnace couldn’t regulate its pressure switch before starting. As a reaction, your system will not run for your safety.

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

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

How a Pressure Switch Works

This part plays a prominent role as your furnace prepares to heat your home.

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 plenty of 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 Malfunctions

When your pressure switch isn’t operating promptly, you’ll likely hear the fan run and the switch clicking multiple times before the furnace turns 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 incorrect 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 notice 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 Abbey Air Service Experts tech will check other parts of your furnace first. Several 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 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.

Start with the Experts at Abbey Air Service Experts

If you require furnace repair, turn to the professionals from Abbey Air Service Experts to understand the fault code and fix the situation to your standards.

Call us at 289-813-5566 or schedule an appointment online today.