Fixing Error Code 229 on Your Lennox® Furnace

Seeing error code 229 on your Lennox® furnace?

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

It’s best to have a professional like one from A-PLUS Service Experts in Waldorf work on repairing or replacing this part. Our technicians are ACE certified, which means they’re well-equipped to fix a furnace error like yours.

We want you to be absolutely satisfied with our furnace repair in Waldorf. 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 allow the system to run at different speeds—and use less energy. These switches also make sure your furnace runs safely and vents extra 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 begins in high speed and high ignition, then loses speed and shifts into low-fire mode about 30 seconds after.

Your system 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 create the error, so your A-PLUS 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 anticipate to pay between $40 and $350 if you require a new low-fire pressure switch.

Turn to the Experts at A-PLUS Service Experts

When you need to have your furnace mended, reach out to the Experts at A-PLUS Service Experts to figure out the fault code and take care of the situation.

Call us at 301-747-3140 or schedule an appointment online today.