Fixing 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 couldn’t close.

It’s better to allow a pro like one from Levy & Son Service Experts in Dallas handle repairing or replacing this part. Our technicians are NATE certified, which means they’re ready to fix a furnace error like yours.

We want you to be fully satisfied with our furnace repair in Dallas. 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 numerous pressure switches to let the system to run at different speeds—and be more efficient. 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 Fails

Your low pressure switch may not be functioning right if your furnace inducer motor begins in high speed and high ignition, then slows down and shifts into low-fire mode about 30 seconds after.

Your system will communicate something’s amiss with a red flash from its indicator light, which it uses to show 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 reports a fault code.

Estimated Repair Cost for Furnace Error Code 229

A blocked vent or a draft can also generate the error, so your Levy & Son Service Experts Expert will check other parts of your furnace first.

The price to fix your furnace hinges 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 Levy & Son Service Experts

When you need to have your furnace repaired, reach out to the Experts at Levy & Son Service Experts to decipher the fault code and take care of the problem.

Call us at 469-250-0932 or schedule an appointment online today.


Our Health and Safety Commitment
At Service Experts, our top priority is always the health and safety of our customers and team. We are following all COVID-19 (Coronavirus) public safety guidelines and adjusting our business practices as needed to ensure customer and employee wellbeing. As a precautionary measure, anyone working on behalf of Service Experts – including our technicians – is being asked to stay home for the recommended 14 day quarantine period if they are returning from out-of-country, have been exposed to a presumptive or confirmed case, or are feeling unwell. We are providing our technicians and other field employees with additional health and safety guidance to assist in keeping our customers and employees safe. Please be prepared to answer brief health and safety questions with our representative. We will continue to monitor the situation and will adjust our business practices as required. We recognize that this may be a particularly stressful time and want you to know that, we are committed to serving you and making your experience as easy as possible.