Repairing Error Code 229 on Your Lennox® Furnace

Noticing 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 best to have a pro like one from Service Experts Heating & Air Conditioning in Shreveport work on repairing or replacing this part. Our technicians are NATE certified, which means they’re well-equipped to fix a furnace error like the one you’re experiencing.

We want you to be absolutely satisfied with our furnace repair in Shreveport. 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 multiple 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 extra gases from the heat exchanger.

What Happens When a Low-Fire Pressure Switch Fails

Your low pressure switch may not be working right if your furnace inducer motor starts up in high speed and high ignition, then weakens and shifts into low-fire mode about 30 seconds afterward.

Your furnace will demonstrate something’s wrong with a red flash from its indicator light, which it uses to show error codes. It has this red light to flash code, like Morse code.

You may see 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 trigger the error, so your Service Experts Heating & Air Conditioning professional will check other parts of your furnace first.

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

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

Trust the Experts at Service Experts Heating & Air Conditioning

When you need to have your furnace mended, reach out to the Experts at Service Experts Heating & Air Conditioning to decipher the fault code and take care of the problem.

Call us at 318-588-8163 or schedule an appointment online today.