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 better to have a pro like one from Service Experts Heating & Air Conditioning in Calgary finish repairing or replacing this part. Our technicians are NATE certified, which means they’re ready to fix a furnace error like the one you’re experiencing.

We want you to be absolutely satisfied with our furnace repair in Calgary. 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 let the system to run at different speeds—and be more efficient. These switches also make sure 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 functioning correctly if your furnace inducer motor starts up in high speed and high ignition, then slows down and changes into low-fire mode about 30 seconds after.

Your furnace 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 notice 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 technician will check 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 repair it.

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

Turn to the Experts at Service Experts Heating & Air Conditioning

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

Call us at 403-279-5760 or schedule an appointment online today.