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 couldn’t close.

It’s better to have a professional like one from Stevenson Service Experts in Columbus handle repairing or replacing this part. Our technicians are ACE certified, which means they’re ready to fix a furnace error like yours.

We want you to be absolutely content 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 various 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 extra gases from the heat exchanger.

What Happens When a Low-Fire Pressure Switch Fails

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

Your furnace will demonstrate something’s wrong 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 tells you 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 fix it.

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

Turn to the Experts at Stevenson Service Experts

When you need to have your furnace repaired, 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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