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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 didn’t close.

It’s better to allow 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 yours.

We want you to be absolutely 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 multiple pressure switches to help 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 Doesn’t Work

Your low pressure switch may not be operating right if your furnace inducer motor starts up in high speed and high ignition, then loses speed and shifts into low-fire mode about 30 seconds later.

Your system will indicates something’s not right 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 observe 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 Expertsprofessional will check other parts of your furnace first.

The bill to fix your furnace relies on what’s wrong with it and how long it takes to remedy it.

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

Trust the Experts at Stevenson Service Experts

When you need to have your furnace repaired, contact the Experts at Stevenson Service Experts to decipher the fault code and take care of the issue.

Call us at or schedule an appointment online today.

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