Fixing 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 didn’t close.

It’s important to allow a pro like one from D & K Heating Service Experts in Belleville work on 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 absolutely content with our furnace repair in Belleville. 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 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 Doesn’t Work

Your low pressure switch may not be working properly if your furnace inducer motor switches on in high speed and high ignition, then weakens and enters into low-fire mode about 30 seconds after.

Your HVAC will communicate something’s amiss 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 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 D & K Heating Service Experts Expert will look at other parts of your furnace first.

The bill 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 D & K Heating Service Experts

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

Call us at 613-707-2421 or schedule an appointment online today.