Fixing Error Code 229 on Your Lennox® Furnace

Getting error code 229 on your Lennox® furnace?

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

It’s best to let a pro like one from Service Experts Heating & Air Conditioning in Provo finish repairing or replacing this part. Our technicians are NATE certified, which means they’re well-equipped to fix a furnace error like yours.

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 help the system to run at different speeds—and work more efficiently. These switches also guarantee 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 shifts into low-fire mode about 30 seconds afterward.

Your system will indicates something’s amiss 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 announces a fault code.

Estimated Repair Cost for Furnace Error Code 229

A blocked vent or a draft can also generate the error, so your Service Experts Heating & Air Conditioning Expert will look at 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 remedy it.

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

Rely on the Experts at Service Experts Heating & Air Conditioning

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

Call us at 801-396-0637 or schedule an appointment online today.