Fixing Error Code 229 on Your Lennox® Furnace

Getting error code 229 on your Lennox® furnace?

This indicates 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 Service Experts Heating & Air Conditioning in Longmont finish repairing or replacing this part. Our technicians are NATE certified, which means they’re ready to fix a furnace error like the one you’re experiencing.

We want you to be fully satisfied with our furnace repair in Longmont. 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 allow the system to run at different speeds—and use less energy. These switches also make sure your furnace runs safely and vents extraneous gases from the heat exchanger.

What Happens When a Low-Fire Pressure Switch Doesn’t Work

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

Your HVAC will demonstrate something’s amiss with a red flash from its indicator light, which it uses to exhibit 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 create the error, so your Service Experts Heating & Air Conditioning professional will investigate other parts of your furnace first.

The price 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 need a new low-fire pressure switch.

Trust the Experts at Service Experts Heating & Air Conditioning

When you need to have your furnace mended, contact the Experts at Service Experts Heating & Air Conditioning to figure out the fault code and take care of the issue.

Call us at 303-647-5749 or schedule an appointment online today.