Repairing Error Code 229 on Your Lennox® Furnace

Getting error code 229 on your Lennox® furnace?

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

It’s important to allow a pro like one from Gordon's Service Experts Heating & Air Conditioning in Oklahoma City handle repairing or replacing this part. Our technicians are NATE certified, which means they’re well-prepared to fix a furnace error like this one.

We want you to be fully happy with our furnace repair in Oklahoma City. 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 various pressure switches to help the system to run at different speeds—and use less energy. These switches also ensure your furnace runs safely and vents extraneous gases from the heat exchanger.

What Happens When a Low-Fire Pressure Switch Fails

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

Your system will demonstrate something’s wrong 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 notice 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 trigger the error, so your Gordon's Service Experts Heating & Air Conditioning Expert will check other parts of your furnace first.

The cost to fix your furnace depends on what’s wrong with it and how long it takes to remedy it.

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

Rely on the Experts at Gordon's Service Experts Heating & Air Conditioning

When you need to have your furnace mended, turn to the Experts at Gordon's Service Experts Heating & Air Conditioning to decipher the fault code and take care of the issue.

Call us at 405-432-2197 or schedule an appointment online today.