Clearing Error Code 229 on Your Lennox® Furnace

Getting error code 229 on your Lennox® furnace?

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

It’s better to have a pro like one from Roland J. Down Service Experts in Albany handle repairing or replacing this part. Our technicians are NATE certified, which means they’re ready to fix a furnace error like this one.

We want you to be absolutely happy with our furnace repair in Albany. 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 extraneous gases from the heat exchanger.

What Happens When a Low-Fire Pressure Switch Fails

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 shifts into low-fire mode about 30 seconds later.

Your furnace will demonstrate something’s wrong with a red flash from its indicator light, which it uses to display 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 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 Roland J. Down Service Experts technician will investigate other parts of your furnace first.

The price 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 Roland J. Down Service Experts

When you need to have your furnace fixed, turn to the Experts at Roland J. Down Service Experts to decipher the fault code and take care of the problem.

Call us at 518-417-2938 or schedule an appointment online today.