Clearing Error Code 229 on Your Lennox® Furnace

Seeing error code 229 on your Lennox® furnace?

This signifies your furnace is ignited at high speed because its low pressure switch wouldn’t close.

It’s important to let a pro like one from Freschi Service Experts in Concord work on repairing or replacing this part. Our technicians are NATE certified, which means they’re well-equipped to fix a furnace error like yours.

We want you to be fully satisfied with our furnace repair in Concord. That’s why we back all of our work with a one-year 100% Satisfaction Guarantee.*

How a Low-Fire Pressure Switch Works

Two-stage furnaces have multiple pressure switches to let the system to run at different speeds—and use less energy. These switches also make sure your furnace runs safely and vents extra gases from the heat exchanger.

What Happens When a Low-Fire Pressure Switch Malfunctions

Your low pressure switch may not be operating right if your furnace inducer motor switches on in high speed and high ignition, then slows down and changes into low-fire mode about 30 seconds later.

Your system will communicate something’s amiss with a red flash from its indicator light, which it uses to display error codes. It has this red light to flash code, like Morse code.

You may see fast flashes or an alternating slow flash as it announces a fault code.

Estimated Repair Cost for Furnace Error Code 229

A blocked vent or a draft can also create the error, so your Freschi Service Experts Expert will investigate other parts of your furnace first.

The bill to fix your furnace relies on what’s wrong with it and how long it takes to fix it.

You can expect to pay between $40 and $350 if you need a new low-fire pressure switch.

Trust the Experts at Freschi Service Experts

When you need to have your furnace repaired, reach out to the Experts at Freschi Service Experts to figure out the fault code and take care of the situation.

Call us at 925-384-1303 or schedule an appointment online today.