Repairing 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 allow an Expert like one from Stevenson Service Experts in Columbus finish repairing or replacing this part. Our technicians are ACE certified, which means they’re well-prepared to fix a furnace error like the one you’re experiencing.

We want you to be completely satisfied with our furnace repair in Columbus. 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 help the system to run at different speeds—and work more efficiently. 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 operating properly if your furnace inducer motor begins in high speed and high ignition, then weakens and enters into low-fire mode about 30 seconds afterward.

Your furnace will demonstrate something’s not right 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 observe 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 create the error, so your Stevenson Service Expertstechnician 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 repair it.

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

Turn to the Experts at Stevenson Service Experts

When you need to have your furnace fixed, turn to the Experts at Stevenson Service Experts to figure out the fault code and take care of the issue.

Call us at or schedule an appointment online today.

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