Fixing Error Code 229 on Your Lennox^® Furnace

Getting 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 better to have a professional like one from Robinson Service Experts in Waukegan finish repairing or replacing this part. Our technicians are ACE certified, which means they’re ready to fix a furnace error like this one.

We want you to be fully satisfied with our furnace repair in Waukegan. 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 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 correctly if your furnace inducer motor begins in high speed and high ignition, then slows down and enters into low-fire mode about 30 seconds after.

Your HVAC will indicates something’s not right 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 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 trigger the error, so your Robinson Service Experts professional will look at other parts of your furnace first.

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

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

Turn to the Experts at Robinson Service Experts

When you need to have your furnace repaired, reach out to the Experts at Robinson Service Experts to figure out the fault code and take care of the problem.

Call us at 847-306-8730 or schedule an appointment online today.