Seeing error code 229 on your Lennox® furnace?
This means your furnace is ignited at high speed because its low pressure switch didn’t close.
It’s important to let a professional like one from Levy & Son Service Experts in Dallas finish repairing or replacing this part. Our technicians are ACE certified, which means they’re well-equipped to fix a furnace error like this one.
We want you to be completely happy with our furnace repair in Dallas. That’s why we back all of our work with a one-year 100% Satisfaction Guarantee.*
Two-stage furnaces have numerous pressure switches to allow 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.
Your low pressure switch may not be working right 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 later.
Your furnace 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 notice fast flashes or an alternating slow flash as it reports a fault code.
A blocked vent or a draft can also trigger the error, so your Levy & Son Service Expertsprofessional will look at 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 expect to pay between $40 and $350 if you need a new low-fire pressure switch.
When you need to have your furnace fixed, contact the Experts at Levy & Son Service Experts to figure out the fault code and take care of the situation.
Call us at or schedule an appointment online today.
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