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Clearing 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 didn’t close.

It’s important to have a professional 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 fully 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 let the system to run at different speeds—and work more efficiently. These switches also ensure your furnace runs safely and vents excess gases from the heat exchanger.

What Happens When a Low-Fire Pressure Switch Malfunctions

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

Your system will demonstrate 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 see 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 trigger the error, so your Stevenson Service Expertstechnician will check other parts of your furnace first.

The bill 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 require a new low-fire pressure switch.

Rely on the Experts at Stevenson Service Experts

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

Call us at or schedule an appointment online today.

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