Fixing 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 an Expert like one from Komfort Air in Mint Hill finish repairing or replacing this part. Our technicians are NATE certified, which means they’re well-prepared to fix a furnace error like the one you’re experiencing.

We want you to be completely content with our furnace repair. 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 be more efficient. These switches also guarantee your furnace runs safely and vents extra gases from the heat exchanger.

What Happens When a Low-Fire Pressure Switch Malfunctions

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

Your furnace will communicate something’s amiss 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 generate the error, so your Komfort Air professional will look at other parts of your furnace first.

The cost to fix your furnace depends 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 require a new low-fire pressure switch.

Turn to the Experts at Komfort Air

When you need to have your furnace mended, turn to the Experts at Komfort Air to decipher the fault code and take care of the problem.

Call us at 704-705-8135 or schedule an appointment online today.