Repairing Error Code 229 on Your Lennox® Furnace

Seeing 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 allow a professional like one from Comfortech Service Experts in Jackson finish repairing or replacing this part. Our technicians are NATE certified, which means they’re well-prepared to fix a furnace error like this one.

We want you to be absolutely happy with our furnace repair in Jackson. 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 use less energy. These switches also guarantee your furnace runs safely and vents extra gases from the heat exchanger.

What Happens When a Low-Fire Pressure Switch Malfunctions

Your low pressure switch may not be working properly if your furnace inducer motor starts up 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 observe 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 Comfortech Service Experts technician 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 remedy it.

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

Trust the Experts at Comfortech Service Experts

When you need to have your furnace repaired, contact the Experts at Comfortech Service Experts to work out the fault code and take care of the problem.

Call us at 601-852-3105 or schedule an appointment online today.