Repairing Error Code 229 on Your Lennox® Furnace

Seeing error code 229 on your Lennox® furnace?

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

It’s important to have an Expert like one from Jack Nelson Service Experts Heating & Air Conditioning in Tulsa handle repairing or replacing this part. Our technicians are NATE certified, which means they’re ready to fix a furnace error like yours.

We want you to be completely satisfied with our furnace repair in Tulsa. 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 use less energy. 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 working properly if your furnace inducer motor starts up in high speed and high ignition, then weakens and enters into low-fire mode about 30 seconds afterward.

Your HVAC will communicate 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 generate the error, so your Jack Nelson Service Experts Heating & Air Conditioning professional will investigate other parts of your furnace first.

The price to fix your furnace relies 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 need a new low-fire pressure switch.

Trust the Experts at Jack Nelson Service Experts Heating & Air Conditioning

When you need to have your furnace repaired, reach out to the Experts at Jack Nelson Service Experts Heating & Air Conditioning to decipher the fault code and take care of the problem.

Call us at 918-212-8927 or schedule an appointment online today.