Fixing 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 wouldn’t close.

It’s better to have a pro like one from Pardee Service Experts Heating & Air Conditioning in Charleston work on 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 satisfied 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 make sure your furnace runs safely and vents extraneous 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 starts up in high speed and high ignition, then loses speed and enters into low-fire mode about 30 seconds afterward.

Your system will communicate something’s not right 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 notice 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 create the error, so your Pardee Service Experts Heating & Air Conditioning professional will look at other parts of your furnace first.

The cost to fix your furnace hinges on what’s wrong with it and how long it takes to fix it.

You can expect to pay between $40 and $350 if you need a new low-fire pressure switch.

Trust the Experts at Pardee Service Experts Heating & Air Conditioning

When you need to have your furnace repaired, reach out to the Experts at Pardee Service Experts Heating & Air Conditioning to figure out the fault code and take care of the situation.

Call us at 843-410-6103 or schedule an appointment online today.