Fixing 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 wouldn’t close.

It’s better to have a professional like one from Parker Pearce Service Experts in Gaithersburg finish repairing or replacing this part. Our technicians are NATE certified, which means they’re ready to fix a furnace error like the one you’re experiencing.

We want you to be fully content with our furnace repair in Gaithersburg. 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 various pressure switches to help the system to run at different speeds—and be more efficient. These switches also guarantee 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 working correctly if your furnace inducer motor begins in high speed and high ignition, then weakens and shifts into low-fire mode about 30 seconds later.

Your HVAC will indicates something’s wrong 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 announces a fault code.

Estimated Repair Cost for Furnace Error Code 229

A blocked vent or a draft can also create the error, so your Parker Pearce Service Experts technician 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 anticipate to pay between $40 and $350 if you require a new low-fire pressure switch.

Turn to the Experts at Parker Pearce Service Experts

When you need to have your furnace fixed, turn to the Experts at Parker Pearce Service Experts to figure out the fault code and take care of the issue.

Call us at 301-476-4577 or schedule an appointment online today.