Fixing Error Code 228 on Your Lennox® Furnace

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

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

Repairing or replacing this part is better left to the professionals at Stevenson Service Experts  in Columbus. Our ACE-certified technicians are among the elite in the industry. They’re well-qualified to handle all of your heating needs, including fixing a furnace error.

We want you to be completely satisfied with our quality furnace repair* for a year.

How a Pressure Switch Works

This part plays a critical part as your furnace prepares to heat your space.

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

  • Your furnace’s control board starts 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 creates heat.

What Happens When a Pressure Switch Malfunctions

When your pressure switch isn’t operating promptly, you’ll likely hear the fan start and the switch clicking a few times before the furnace turns off completely. When a part isn’t performing right, your furnace will turn off to protect you.

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 fast 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 Stevenson Service Experts  tech will check other parts of your furnace first. A handful of other issues can also generate the error code, like a congested 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 plan to pay between $40 to $350.

Trust the Experts at Stevenson Service Experts

If you require furnace repair, trust the pros from Stevenson Service Experts  to diagnose the fault code and fix the problem to your standards.

Call us at  or schedule an appointment online today.

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