Fixing Error Code 229 on Your Lennox® Furnace

Noticing 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 important to have a pro like one from Comfort Masters Service Experts Heating & Air Conditioning in Wheeling 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 fully content 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 various pressure switches to allow the system to run at different speeds—and work more efficiently. 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 operating correctly if your furnace inducer motor begins in high speed and high ignition, then loses speed 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 generate the error, so your Comfort Masters Service Experts Heating & Air Conditioning professional will check other parts of your furnace first.

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

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

Turn to the Experts at Comfort Masters Service Experts Heating & Air Conditioning

When you need to have your furnace fixed, turn to the Experts at Comfort Masters Service Experts Heating & Air Conditioning to decipher the fault code and take care of the issue.

Call us at 847-250-6729 or schedule an appointment online today.