Seeing error code 229 on your Lennox® furnace?
This signifies your furnace is ignited at high speed because its low pressure switch didn’t close.
It’s important to allow a professional like one from Service Experts Heating & Air Conditioning in North America work on repairing or replacing this part. Our technicians are ACE certified, which means they’re well-prepared to fix a furnace error like this one.
We want you to be completely content with our furnace repair in North America. 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 multiple 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 Fails
Your low pressure switch may not be operating properly if your furnace inducer motor switches on in high speed and high ignition, then weakens and shifts into low-fire mode about 30 seconds afterward.
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 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 trigger the error, so your Service Experts Heating & Air Conditioning professional 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 fix it.
You can anticipate to pay between $40 and $350 if you need a new low-fire pressure switch.
Trust the Experts at Service Experts Heating & Air Conditioning
When you need to have your furnace repaired, contact the Experts at Service Experts Heating & Air Conditioning to work out the fault code and take care of the situation.
Call us at 866-397-3787 or schedule an appointment online today.