Fixing Error Code 229 on Your Lennox® Furnace

Seeing error code 229 on your Lennox® furnace?

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

It’s important to have a pro like one from Service Experts Heating & Air Conditioning in Raleigh 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 completely happy with our furnace repair in Raleigh. 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 use less energy. These switches also make sure your furnace runs safely and vents excess gases from the heat exchanger.

What Happens When a Low-Fire Pressure Switch Doesn’t Work

Your low pressure switch may not be functioning properly if your furnace inducer motor starts up in high speed and high ignition, then weakens and shifts into low-fire mode about 30 seconds afterward.

Your HVAC will communicate something’s not right 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 observe fast flashes or an alternating slow flash as it reports a fault code.

Estimated Repair Cost for Furnace Error Code 229

A blocked vent or a draft can also trigger the error, so your Service Experts Heating & Air Conditioning technician 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 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 figure out the fault code and take care of the issue.

Call us at 919-578-4329 or schedule an appointment online today.