Clearing Error Code 229 on Your Lennox® Furnace

Getting error code 229 on your Lennox® furnace?

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

It’s better to let an Expert like one from Service Experts Heating & Air Conditioning in Fort Lauderdale finish repairing or replacing this part. Our technicians are ACE certified, which means they’re well-equipped to fix a furnace error like yours.

We want you to be completely happy with our furnace repair in Fort Lauderdale. 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 operating properly if your furnace inducer motor switches on in high speed and high ignition, then slows down and enters into low-fire mode about 30 seconds afterward.

Your furnace will indicates something’s wrong 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 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 Service Experts Heating & Air Conditioningprofessional will look at 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 remedy it.

You can expect 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 repaired, reach out to the Experts at Service Experts Heating & Air Conditioning to decipher the fault code and take care of the issue.

Call us at or schedule an appointment online today.

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