Fixing Error Code 229 on Your Lennox® Furnace

Noticing error code 229 on your Lennox® furnace?

This indicates 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 Atmostemp Service Experts Heating & Air Conditioning in Voorhees work on repairing or replacing this part. Our technicians are NATE certified, which means they’re well-equipped to fix a furnace error like this one.

We want you to be absolutely happy with our furnace repair in Voorhees. 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 ensure 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 operating right if your furnace inducer motor starts up in high speed and high ignition, then weakens and shifts into low-fire mode about 30 seconds later.

Your system will communicate something’s wrong 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 tells you a fault code.

Estimated Repair Cost for Furnace Error Code 229

A blocked vent or a draft can also create the error, so your Atmostemp Service Experts Heating & Air Conditioning technician will investigate 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 expect to pay between $40 and $350 if you require a new low-fire pressure switch.

Turn to the Experts at Atmostemp Service Experts Heating & Air Conditioning

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

Call us at 856-310-4824 or schedule an appointment online today.